EgtExecutor :

- correzione del merge.

EXE_CAvTool.cpp

@@ -175,16 +175,23 @@ ExeCAvToolPathStm( int nCrvId, const Vector3d& vtAx, int nSurfTmId, const Vector
   // verifico oggetto per evitare collisioni
    if ( IsNull( s_pCAvTlStm))
       return false ;
+  // Controllo la tolleranza lineare (se negativa non vanno fatti controlli sui punti medi)
+   if ( dLinTol > -EPS_ZERO)
+      dLinTol = max( dLinTol, EPS_SMALL) ;
+   else
+      dLinTol = -1 ;
   // approssimo la curva con una polilinea
    PolyLine PL ;
    if ( ! pCrv->ApproxWithLines( dLinTol, ANG_TOL_STD_DEG, ICurve::APL_SPECIAL, PL))
       return false ;
   // eventuale aggiunta di punti per garantire max distanza
-   const double MIN_DIST = 1. ;
-   const double MAX_DIST = 50. ;
-   double dDist = Clamp( s_pCAvTlStm->GetToolRadius(), MIN_DIST, MAX_DIST) ;
-   if ( ! PL.AdjustForMaxSegmentLen( dDist))
-      return false ;
+   if ( dLinTol > 0) {
+      const double MIN_DIST = 1. ;
+      const double MAX_DIST = 50. ;
+      double dDist = Clamp( s_pCAvTlStm->GetToolRadius(), MIN_DIST, MAX_DIST) ;
+      if ( ! PL.AdjustForMaxSegmentLen( dDist))
+         return false ;
+   }
   // porto nel riferimento della superficie
    PL.LocToLoc( frCrv, frSurf) ;
   // porto i dati geometrici in locale alla superficie
@@ -198,7 +205,8 @@ ExeCAvToolPathStm( int nCrvId, const Vector3d& vtAx, int nSurfTmId, const Vector
   // riporto la polilinea nel riferimento della curva
    PL.LocToLoc( frSurf, frCrv) ;
   // elimino i punti allineati
-   PL.RemoveAlignedPoints( 0.8 * dLinTol) ;
+   if ( dLinTol > 0)
+      PL.RemoveAlignedPoints( 0.8 * dLinTol) ;
   // creo una curva composita a partire dalla polilinea
    PtrOwner< ICurveComposite> pCompo( CreateCurveComposite()) ;
    if ( IsNull( pCompo)  ||  ! pCompo->FromPolyLine( PL))

EXE_GdbCreateCurve.cpp

@@ -2609,42 +2609,44 @@ MyCreateCurveBezierForm( int nParentId, int nCrvId)
    Vector3d vtExtr ;
    pCurve->GetExtrusion( vtExtr) ;
    vtExtr.LocToLoc( frCrv, frLoc) ;
-   int nType = pCurve->GetType() ;
-   PtrOwner<ICurve> pCrv ;
-   switch ( nType ) {
-   case CRV_LINE :
-      pCrv.Set( LineToBezierCurve( GetCurveLine( pCurve))) ;
-      break ;
-   case CRV_ARC :
-      pCrv.Set( ArcToBezierCurve( GetCurveArc( pCurve))) ;
-      break ;
-   case CRV_BEZIER :
-      pCrv.Set( BezierToBasicBezierCurve( GetCurveBezier( pCurve))) ;
-      break ;
-   case CRV_COMPO :
-      pCrv.Set( CompositeToBezierCurve( GetCurveComposite( pCurve))) ;
-      break ;
-   default :
-      break ;
-   }
+   PtrOwner<ICurve> pCrvBez ( CurveToBezierCurve( pCurve)) ;
+
+   //int nType = pCurve->GetType() ;
+   //switch ( nType ) {
+   //case CRV_LINE :
+   //   pCrvBez.Set( LineToBezierCurve( GetCurveLine( pCurve))) ;
+   //   break ;
+   //case CRV_ARC :
+   //   pCrvBez.Set( ArcToBezierCurve( GetCurveArc( pCurve))) ;
+   //   break ;
+   //case CRV_BEZIER :
+   //   pCrvBez.Set( BezierToBasicBezierCurve( GetCurveBezier( pCurve))) ;
+   //   break ;
+   //case CRV_COMPO :
+   //   pCrvBez.Set( CompositeToBezierCurve( GetCurveComposite( pCurve))) ;
+   //   break ;
+   //default :
+   //   break ;
+   //}
    // setto l'estrusione
-   pCrv->SetExtrusion( vtExtr) ;
+   pCrvBez->SetExtrusion( vtExtr) ;
    // aggiungo la curva in forma di Bezier al DB
-   int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pCrv)) ;
+   int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pCrvBez)) ;
    return nId ;
 }
 
 //-------------------------------------------------------------------------------
 int
-ExeCreateCurveBezierForm( int nParentId, int nCrvId)
+ExeCreateCurveBezierForm( int nParentId, int nCrvId, int nDeg)
 {
    // eseguo
    int nId = MyCreateCurveBezierForm( nParentId, nCrvId) ;
    ExeSetModified() ;
    // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
-      string sLua = "EgtCreateCurveBezierForm(" + IdToString( nParentId) + "," +
-                     IdToString( nCrvId) + "," +
+      string sLua = "EgtCurveBezierForm(" + IdToString( nParentId) + "," +
+                                            IdToString( nCrvId) + "," +
+                                            ToString( nDeg) + ")"
                      " -- Id=" + ToString( nId) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
    }

EXE_GdbCreateSurf.cpp

@@ -1,4 +1,4 @@
-//----------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 //  EgalTech 2014-2015
 //----------------------------------------------------------------------------
 // File : EXE_GdbCreateSurf.cpp       Data : 04.05.15       Versione : 1.6e1
@@ -19,6 +19,7 @@
 #include "GeoTools.h"
 #include "/EgtDev/Include/EXeExecutor.h"
 #include "/EgtDev/Include/EXeConst.h"
+#include "/EgtDev/Include/EGkDistPointLine.h"
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
 #include "/EgtDev/Include/EGkSfrCreate.h"
 #include "/EgtDev/Include/EGkSurfTriMesh.h"
@@ -35,6 +36,7 @@
 #include "/EgtDev/Include/EgtPointerOwner.h"
 #include "/EgtDev/Include/EGkExtText.h"
 #include "/EgtDev/Include/EGkSbzStandard.h"
+#include "/EgtDev/Include/EGkSbzFromCurves.h"
 
 using namespace std ;
 
@@ -1173,6 +1175,43 @@ ExeCreateSurfTmByRevolve( int nParentId, int nCrvId,
    return nNewId ;
 }
 
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByPointCurve( int nParentId, int nCrvId, const Point3d& ptTop,
+                             bool bCapEnds, double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+   // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+   // recupero la curva in locale
+   CurveLocal CrvLoc( pGeomDB, nCrvId, frLoc) ;
+   bOk = bOk && ( CrvLoc.Get() != nullptr) ;
+   // porto in locale punto e vettore asse
+   Point3d ptTopL = GetPointLocal( pGeomDB, ptTop, nRefType, frLoc) ;
+   // calcolo la superficie
+   ISurfBezier* pSTM = ( bOk ? GetSurfBezierRuled( ptTopL, CrvLoc, dLinTol) : nullptr) ;
+   // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, pSTM) : GDB_ID_NULL) ;
+   ExeSetModified() ;
+   // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByPointCurve(" + IdToString( nParentId) + "," +
+                                               ToString( nCrvId) + ",{" +
+                                               ToString( ptTop) + "},{" +
+                                               ( bCapEnds ? "true" : "false") + "," +
+                                               ToString( dLinTol) + "," +
+                                               RefTypeToString( nRefType) + ")" +
+                     " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
 //-------------------------------------------------------------------------------
 int
 ExeCreateSurfTmByScrewing( int nParentId, int nCrvId,
@@ -1833,9 +1872,9 @@ ExeCreateSurfBezierTria2D( int nParentId, int nSurfBzId, int nTextHeight, bool b
    for ( int k = 0 ; k < (int)vTria2D.size() ; ++ k) {
       PtrOwner<ISurfTriMesh> pStm( CreateSurfTriMesh()) ;
       bOk = bOk && ! IsNull( pStm) ;
-      Point3d ptP1L =  get<1>(vTria2D[k]) ;
-      Point3d ptP2L =  get<2>(vTria2D[k]) ;
-      Point3d ptP3L =  get<3>(vTria2D[k]) ;
+      Point3d ptP1L = get<1>(vTria2D[k]) ;
+      Point3d ptP2L = get<2>(vTria2D[k]) ;
+      Point3d ptP3L = get<3>(vTria2D[k]) ;
       // assegno il triangolo
       if ( bOk) {
          pStm->Init( 3, 1, 1) ;
@@ -1883,7 +1922,8 @@ ExeCreateSurfBezierTria2D( int nParentId, int nSurfBzId, int nTextHeight, bool b
 
 //-------------------------------------------------------------------------------
 int
-ExeCreateBezierSphere( int nParentId, const Point3d& ptCenter, double dR, int nRefType) {
+ExeCreateBezierSphere( int nParentId, const Point3d& ptCenter, double dR, int nRefType)
+{
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
    VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
    nParentId = AdjustId( nParentId) ;
@@ -1894,18 +1934,733 @@ ExeCreateBezierSphere( int nParentId, const Point3d& ptCenter, double dR, int nR
   // reucpero il punto in locale
    Point3d ptCenterLoc = GetPointLocal( pGeomDB, ptCenter, nRefType, frLoc) ;
   // Creo la superficie
-   PtrOwner<ISurfBezier> pSurfBez( CreateBezierSphere( ptCenterLoc, dR)) ;
+   PtrOwner<ISurfBezier> pSurfBez( GetSurfBezierSphere( ptCenterLoc, dR)) ;
+   bOk = bOk && ! IsNull( pSurfBez) ;
    int nId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSurfBez)) : GDB_ID_NULL) ;
    ExeSetModified() ;
    // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
-      string sLua = "EgtCreateBezierSphere(" + IdToString( nParentId) + "," +
-         ToString( ptCenter) + "," +
-         ToString( dR) + "," +
-         RefTypeToString( nRefType) + ")" +
-         " -- Id=" + ToString( nId) ;
+      string sLua = "EgtSurfBzSphere(" + IdToString( nParentId) + "," +
+                                         ToString( ptCenter) + "," +
+                                         ToString( dR) + "," +
+                                         RefTypeToString( nRefType) + ")" +
+                    " -- Id=" + ToString( nId) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
    }
-  // resituisco l'identificativo dell'entit� creata
+  // resituisco l'identificativo dell'entità creata
    return nId ;
 }
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByFlatContour( int nParentId, int nCrvId, double dLinTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero la curva in locale
+   CurveLocal CrvLoc( pGeomDB, nCrvId, frLoc) ;
+   bOk = bOk && ( CrvLoc.Get() != nullptr) ;
+  // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierByFlatContour( CrvLoc, dLinTol) : nullptr) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+  // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByFlatContour(" + IdToString( nParentId) + "," +
+                                                ToString( nCrvId) + "," +
+                                                ToString( dLinTol) + ")" +
+                    " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByRegion( int nParentId, const INTVECTOR& vCrvIds, double dLinTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+      nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+   // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+   // recupero le curve in locale
+   CURVELOCALVECTOR vCrvLoc ;
+   vCrvLoc.reserve( vCrvIds.size()) ;
+   CICURVEPVECTOR vCrvP ;
+   vCrvP.reserve( vCrvIds.size()) ;
+   for ( size_t i = 0 ; i < vCrvIds.size() ; ++ i) {
+      int nId = (( vCrvIds[i] != GDB_ID_SEL) ? vCrvIds[i] : pGeomDB->GetFirstSelectedObj()) ;
+      while ( nId != GDB_ID_NULL) {
+         vCrvLoc.emplace_back( pGeomDB, nId, frLoc) ;
+         vCrvP.push_back( vCrvLoc.back().Get()) ;
+         bOk = bOk && ( vCrvLoc[i].Get() != nullptr) ;
+         // passo al successivo
+         nId = (( vCrvIds[i] != GDB_ID_SEL) ? GDB_ID_NULL : pGeomDB->GetNextSelectedObj()) ;
+      }
+   }
+   // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierByRegion( vCrvP, dLinTol) : nullptr) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+   // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+   ExeSetModified() ;
+   // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByRegion(" + IdToString( nParentId) + ",{" +
+                                           IdListToString( vCrvIds) + "}," +
+                                           ToString( dLinTol) + ")" +
+                    " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByExtrusion( int nParentId, int nCrvId, const Vector3d& vtExtr, bool bCapEnds,
+                            double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+      nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero il riferimento della curva
+   Frame3d frCrv ;
+   bOk = bOk && pGeomDB->GetGlobFrame( nCrvId, frCrv) ;
+  // recupero la curva in locale
+   const ICurve* pCrvOrig = GetCurve( pGeomDB->GetGeoObj( nCrvId)) ;
+   PtrOwner<ICurve> pCrv( pCrvOrig->Clone()) ;
+  // porto in locale il vettore estrusione
+   Vector3d vtExtrL = GetVectorLocal( pGeomDB, vtExtr, nRefType, frLoc) ;
+  // creo la superficie e la inserisco nel DB
+   int nFirstId = GDB_ID_NULL ;
+   double dAndTolStdDeg = 15 ;
+   Plane3d plPlane ;
+   double dArea ;
+   PolyLine plApprox ;
+   pCrv->ApproxWithLines( dLinTol, dAndTolStdDeg, ICurve::APL_STD, plApprox) ;
+   double dOrthoExtr = 0 ;
+   if ( bCapEnds  &&  plApprox.IsClosedAndFlat( plPlane, dArea, 50 * EPS_SMALL)){
+      dOrthoExtr = plPlane.GetVersN() * vtExtr ;
+      if ( ( abs( dOrthoExtr) < EPS_SMALL))
+         return GDB_ID_NULL ;
+      if ( dOrthoExtr < 0)
+         pCrv->Invert() ;
+   }
+  // creo l'estrusione della curva
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierByExtrusion( pCrv, vtExtrL, false, dLinTol) : nullptr ) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+  // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+   bOk = bOk && ( nNewId != GDB_ID_NULL) ;
+
+  // se richiesta chiusura agli estremi
+   if ( bCapEnds  &&  bOk) {
+      PtrOwner<ISurfBezier> pSrfBzTop( CreateSurfBezier()) ;
+      pSrfBzTop->CreateByFlatContour( plApprox) ;
+      pSrfBzTop->Translate( vtExtrL) ;
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzTop)) ;
+      PtrOwner<ISurfBezier> pSrfBzBottom( CreateSurfBezier()) ;
+      pSrfBzBottom->CreateByFlatContour( plApprox) ;
+      pSrfBzBottom->Invert() ;
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzBottom)) ;
+   }
+
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByExtrusion(" + IdToString( nParentId) + "," +
+                                              IdToString( nCrvId) + ",{" +
+                                              ToString( vtExtr) + "}," +
+                                              ( bCapEnds ? "true" : "false") + "," +
+                                              ToString( dLinTol) + "," +
+                                              RefTypeToString( nRefType) + ")" +
+                    " -- Id=" + ToString( nFirstId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nFirstId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByRegionExtrusion( int nParentId, const INTVECTOR& vCrvIds, const Vector3d& vtExtr, bool bCapEnds,
+                                  double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero le curve in locale
+   CURVELOCALVECTOR vCrvLoc ;
+   vCrvLoc.reserve( vCrvIds.size()) ;
+   CICURVEPVECTOR vCrvP ;
+   vCrvP.reserve( vCrvIds.size()) ;
+   for ( size_t i = 0 ; i < vCrvIds.size() ; ++ i) {
+      int nId = (( vCrvIds[i] != GDB_ID_SEL) ? vCrvIds[i] : pGeomDB->GetFirstSelectedObj()) ;
+      while ( nId != GDB_ID_NULL) {
+         vCrvLoc.emplace_back( pGeomDB, nId, frLoc) ;
+         vCrvP.push_back( const_cast<ICurve*>( vCrvLoc.back().Get())) ;
+         bOk = bOk && ( vCrvLoc[i].Get() != nullptr) ;
+        // passo al successivo
+         nId = (( vCrvIds[i] != GDB_ID_SEL) ? GDB_ID_NULL : pGeomDB->GetNextSelectedObj()) ;
+      }
+   }
+  // porto in locale il vettore estrusione
+   Vector3d vtExtrL = GetVectorLocal( pGeomDB, vtExtr, nRefType, frLoc) ;
+  // creo le superfici e le inserisco nel DB
+   int nFirstId = GDB_ID_NULL ;
+   double dAndTolStdDeg = 15 ;
+
+  // riordino le curve in modo che la prima sia quella esterna e tutte le altre dopo
+   POLYLINEVECTOR vPL ;
+   for ( int i = 0 ; i < int( vCrvP.size()) ; ++ i) {
+      vPL.emplace_back() ;
+      if ( ! vCrvP[i]->ApproxWithLines( dLinTol, dAndTolStdDeg, ICurve::APL_SPECIAL, vPL.back()))
+         return false ;
+   }
+   Vector3d vtN ;
+   INTMATRIX vnPLIndMat ;
+   BOOLVECTOR vbInvert ;
+   if ( ! CalcRegionPolyLines( vPL, vtN, vnPLIndMat, vbInvert))
+      return nFirstId ;
+
+  // creo una copia delle curve, orientate giuste
+   ICURVEPOVECTOR vpCrvOr ;
+   for (int i = 0 ; i < int( vnPLIndMat.size()) ; ++i) {
+      for ( int j = 0 ; j< int( vnPLIndMat[i].size()) ; ++j) {
+         vpCrvOr.emplace_back( vCrvP[vnPLIndMat[i][j]]->Clone()) ;
+         if ( vbInvert[vnPLIndMat[i][j]])
+            vpCrvOr.back()->Invert() ;
+      }
+   }
+
+  // controlo se il vettore di estrusione è orientato come la normale della curva più grande o no
+   bool bOrientedAsExtrusion = false ;
+   Plane3d plPlane ;
+   double dArea ;
+   double dOrthoExtr = 0 ;
+  // verifico che la curva sia chiusa e piatta
+   if ( vPL[0].IsClosedAndFlat(plPlane, dArea, dLinTol)) {
+      dOrthoExtr = plPlane.GetVersN() * vtExtr ;
+     // controllo che ci sia una componente dell'estrusione perpendicolare al piano della curva
+      if ( abs( dOrthoExtr) < EPS_SMALL)
+         return GDB_ID_NULL ;
+      if ( dOrthoExtr > EPS_SMALL)
+         bOrientedAsExtrusion = true ;
+   }
+   else
+      bCapEnds = false ;
+
+  // creo l'estrusione delle curve
+   for ( int i = 0 ; i < int( vpCrvOr.size()) ; ++ i) {
+     // calcolo la superficie
+      ISurfBezier* pSbz = ( bOk ? GetSurfBezierByExtrusion( vpCrvOr[i], vtExtrL, false, dLinTol) : nullptr ) ;
+      if ( ! bOrientedAsExtrusion)
+         pSbz->Invert() ;
+     // inserisco la superficie nel DB
+      int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, pSbz) : GDB_ID_NULL) ;
+      bOk = bOk && ( nNewId != GDB_ID_NULL) ;
+      if ( bOk  &&  nFirstId == GDB_ID_NULL)
+         nFirstId = nNewId ;
+   }
+
+  // se richiesta chiusura agli estremi
+   if ( bCapEnds) {
+      PtrOwner<ISurfBezier> pSrfBzTop( CreateSurfBezier()) ;
+      pSrfBzTop->CreateByRegion( vPL) ;
+      pSrfBzTop->Translate( vtExtrL) ;
+      if ( ! bOrientedAsExtrusion)
+         pSrfBzTop->Invert() ;
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzTop)) ;
+      PtrOwner<ISurfBezier> pSrfBzBottom( CreateSurfBezier()) ;
+      pSrfBzBottom->CreateByRegion( vPL) ;
+      if ( bOrientedAsExtrusion)
+         pSrfBzBottom->Invert() ;
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzBottom)) ;
+   }
+
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByRegionExtrusion(" + IdToString( nParentId) + ",{" +
+                                                    IdListToString( vCrvIds) + "},{" +
+                                                    ToString( vtExtr) + "}," +
+                                                    ( bCapEnds ? "true" : "false") + "," +
+                                                    ToString( dLinTol) + "," +
+                                                    RefTypeToString( nRefType) + ")" +
+                    " -- Id=" + ToString( nFirstId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nFirstId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByScrewing( int nParentId, int nCrvId,
+                           const Point3d& ptAx, const Vector3d& vtAx,
+                           double dAngRotDeg, double dMove, bool bCapEnds, double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero la curva in locale
+   CurveLocal CrvLoc( pGeomDB, nCrvId, frLoc) ;
+   bOk = bOk && ( CrvLoc.Get() != nullptr) ;
+  // porto in locale punto e vettore asse
+   Point3d ptAxL = GetPointLocal( pGeomDB, ptAx, nRefType, frLoc) ;
+   Vector3d vtAxL = GetVectorLocal( pGeomDB, vtAx, nRefType, frLoc) ;
+   vtAxL.Normalize() ;
+
+  // la curva che fa da sezione alla superficie è chiusa e piana ed è richiesto il capping verifico se la superficie è da invertire
+  // lo screwing non deve essere una semplice rivoluzione
+   bool bOrientedAsScrewing = false ;
+   Plane3d plPlane ;
+   double dArea = 0 ;
+   double dAngTolDeg = 15 ;
+   PolyLine pl ; CrvLoc->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, pl) ;
+   if ( pl.IsClosedAndFlat( plPlane, dArea, dLinTol)  &&  ! (abs(abs(dAngRotDeg) - ANG_FULL) < EPS_SMALL  &&  abs( dMove) < EPS_SMALL)) {
+      double dOrthoMove = plPlane.GetVersN() * vtAxL * dMove ;
+      if( bCapEnds) {
+         // se la curva sta in un piano passante per l'asse allora devo fare qualche conto per capire come è orientata
+         if( abs( dOrthoMove) < EPS_SMALL) {
+         // ruoto il centroide della curva di un minimo angolo e poi controllo se mi sono spostato in verso concorde alla normale al piano della curva
+         Point3d ptCen ; CrvLoc->GetCentroid( ptCen) ;
+         Point3d ptCenRot = ptCen ;
+         ptCenRot.Rotate( ptAxL, vtAxL, 2) ;
+         Vector3d vtRot = ptCenRot - ptCen ;
+         dOrthoMove = vtRot * plPlane.GetVersN() ;
+         }
+
+         if ( dOrthoMove > EPS_SMALL)
+            bOrientedAsScrewing = true ;
+      }
+   }
+   else
+      bCapEnds = false ;
+
+  // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierByScrewing( CrvLoc, ptAxL, vtAxL, dAngRotDeg, dMove, bCapEnds, dLinTol) : nullptr) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+   if ( ! bOrientedAsScrewing  &&  bCapEnds  &&  bOk)
+      pSbz->Invert() ;
+  // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+
+  // se richiesto creo anche i cap
+   if ( bCapEnds  &&  bOk) {
+      ISurfBezier* pSbzBase1 = GetSurfBezierByFlatContour(CrvLoc,dLinTol) ;
+      if ( bOrientedAsScrewing)
+         pSbzBase1->Invert() ;
+      bOk = bOk  &&  pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, pSbzBase1) ;
+      ISurfBezier* pSbzBase2 = GetSurfBezierByFlatContour( CrvLoc,dLinTol) ;
+      pSbzBase2->Translate( vtAxL * dMove) ;
+      pSbzBase2->Rotate( ptAxL, vtAxL, dAngRotDeg) ;
+      if( ! bOrientedAsScrewing)
+         pSbzBase2->Invert() ;
+      bOk = bOk  &&  pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, pSbzBase2) ;
+   }
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfbzByScrewing(" + IdToString( nParentId) + "," +
+                                             ToString( nCrvId) + ",{" +
+                                             ToString( ptAx) + "},{" +
+                                             ToString( vtAx) + "}," +
+                                             ToString( dAngRotDeg) + "," +
+                                             ToString( dMove) + "," +
+                                             ( bCapEnds ? "true" : "false") + "," +
+                                             ToString( dLinTol) + "," +
+                                             RefTypeToString( nRefType) + ")" +
+                    " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzByRevolve( int nParentId, int nCrvId,
+                          const Point3d& ptAx, const Vector3d& vtAx,
+                          bool bCapEnds, double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero la curva in locale
+   CurveLocal CrvLoc( pGeomDB, nCrvId, frLoc) ;
+   bOk = bOk && ( CrvLoc.Get() != nullptr) ;
+  // porto in locale punto e vettore asse
+   Point3d ptAxL = GetPointLocal( pGeomDB, ptAx, nRefType, frLoc) ;
+   Vector3d vtAxL = GetVectorLocal( pGeomDB, vtAx, nRefType, frLoc) ;
+   // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz (( bOk ? GetSurfBezierByRevolve( CrvLoc, ptAxL, vtAxL, bCapEnds, dLinTol) : nullptr)) ;
+   if( IsNull( pSbz)  ||  ! pSbz->IsValid())
+      return GDB_ID_NULL ;
+   // controllo se devo invertire la superficie
+   Point3d ptStart ; CrvLoc->GetStartPoint( ptStart) ;
+   DistPointLine dplS( ptStart, ptAxL, vtAxL, 1, false) ;
+   double dDistS = 0 ; dplS.GetDist( dDistS) ;
+   bool bStartOnAx = dDistS > EPS_SMALL ;
+   Point3d ptEnd ; CrvLoc->GetEndPoint( ptEnd) ;
+   DistPointLine dplE( ptEnd, ptAxL, vtAxL, 1, false) ;
+   double dDistE = 0 ; dplE.GetDist( dDistE) ;
+   bool bEndOnAx = dDistE > EPS_SMALL ;
+   Vector3d vtDir = ptEnd - ptStart ;
+   double dParallel = vtDir * vtAxL ;
+   if ( dParallel > EPS_SMALL)
+      pSbz->Invert() ;
+
+   // finché non ho le SurfCompo creo qui i cap
+   if ( bCapEnds  &&  bOk) {
+      // calcola il bbox della superficie
+      BBox3d bbox3dSurf ;
+      int nDegU, nDegV, nSpanU, nSpanV ;
+      bool bTrim, bRat ;
+      pSbz->GetInfo( nDegU, nDegV, nSpanU, nSpanV, bTrim, bRat) ;
+      int nPointCount = ( nDegU * nSpanU + 1) * ( nDegV * nSpanV + 1) ;
+      for ( int p = 0 ; p < nPointCount ; ++p) {
+         bool bPointOk = true ;
+         Point3d ptCtrl = pSbz->GetControlPoint( p, &bPointOk) ;
+         bbox3dSurf.Add( ptCtrl) ;
+      }
+     // recupero i loop
+      ICRVCOMPOPOVECTOR vCCLoop ;
+      pSbz->GetLoops( vCCLoop, true) ;
+      // controllo se i loop trovati sono validi
+      bool bValidLoop1 = false ;
+      bool bValidLoop3 = false ;
+      if( ! IsNull(vCCLoop[1])  &&  vCCLoop[1]->IsValid())
+         bValidLoop1 = true ;
+      if( ! IsNull(vCCLoop[3])  &&  vCCLoop[3]->IsValid())
+         bValidLoop3 = true ;
+      
+      if( ! IsNull(vCCLoop[1])  &&  ! vCCLoop[1]->IsValid()  &&  ! bStartOnAx)
+         return GDB_ID_NULL ;
+      if( ! IsNull(vCCLoop[3])  &&  ! vCCLoop[3]->IsValid()  &&  ! bEndOnAx)
+         return GDB_ID_NULL ;
+     // il getLoops per superfici non trimmate restituisce 1 elemento per ogni lato dello spazio parametrico.
+     // in questo caso la superficie è chiusa lungo il parametro V, quindi i lati 0 e 2 saranno null.
+      double dAngTolDeg = 5 ;
+      PolyLine plEdge1 ;
+      if( bValidLoop1)
+         vCCLoop[1]->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, plEdge1) ;
+      PolyLine plEdge3 ;
+      if( bValidLoop3)
+         vCCLoop[3]->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, plEdge3) ;
+
+      // devo distinguere tra il loop superiore e quello inferiore
+      Point3d ptCen ;
+      Vector3d vtN ;
+      Plane3d plPlane ; double dArea ;
+      if( bValidLoop1){
+         bOk = bOk &&  plEdge1.IsClosedAndFlat( plPlane, dArea, 50 * EPS_SMALL) ;
+         vtN = plPlane.GetVersN() ;
+         // vedo come questa normale è orientata rispetto alla bbox della superficie
+         vCCLoop[1]->GetCentroid( ptCen) ;
+         ptCen += vtN ;
+         if ( bbox3dSurf.Encloses( ptCen))
+            plEdge1.Invert() ;
+      }
+      if ( bValidLoop3) {
+         bOk = bOk &&  plEdge3.IsClosedAndFlat( plPlane, dArea, 50 * EPS_SMALL) ;
+         vtN = plPlane.GetVersN() ;
+         // vedo come questa normale è orientata rispetto alla bbox della superficie
+         vCCLoop[3]->GetCentroid( ptCen) ;
+         ptCen += vtN ;
+         if ( bbox3dSurf.Encloses( ptCen))
+            plEdge3.Invert() ;
+      }
+      
+      // creo le superfici e le inserisco nel DB
+      if( bValidLoop1) {
+         PtrOwner<ISurfBezier> pSrfBzCap1( CreateSurfBezier()) ;
+         pSrfBzCap1->CreateByFlatContour( plEdge1) ;
+         pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzCap1)) ;
+      }
+      if( bValidLoop3) {
+         PtrOwner<ISurfBezier> pSrfBzCap3( CreateSurfBezier()) ;
+         pSrfBzCap3->CreateByFlatContour( plEdge3) ;
+         pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBzCap3)) ;
+      }
+   }
+
+   // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzByRevolve(" + IdToString( nParentId) + "," +
+                                            ToString( nCrvId) + ",{" +
+                                            ToString( ptAx) + "},{" +
+                                            ToString( vtAx) + "}," +
+                                            ( bCapEnds ? "true" : "false") + "," +
+                                            ToString( dLinTol) + "," +
+                                            RefTypeToString( nRefType) + ")" +
+                    " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzRuled( int nParentId, int nCrvId1, int nCrvId2, int nRuledType, bool bCapEnds, double dLinTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero le curve in locale
+   CurveLocal CrvLoc1( pGeomDB, nCrvId1, frLoc) ;
+   bOk = bOk && ( CrvLoc1.Get() != nullptr) ;
+   CurveLocal CrvLoc2( pGeomDB, nCrvId2, frLoc) ;
+   bOk = bOk && ( CrvLoc2.Get() != nullptr) ;
+  // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierRuled( CrvLoc1, CrvLoc2, nRuledType, dLinTol) : nullptr) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+  // verifiche per orientamento se con tappi
+   bool bWithCaps = false ;
+   bool bStdOrient = true ;
+   Plane3d plPlane1, plPlane2 ;
+   double dArea1, dArea2 ;
+   if ( bOk  &&  bCapEnds  &&
+        CrvLoc1->IsClosed()  &&  CrvLoc2->IsClosed()  &&  CrvLoc1->GetArea( plPlane1, dArea1)  &&  CrvLoc2->GetArea( plPlane2, dArea2)) {
+      bWithCaps = true ;
+      Point3d ptStart1 ; CrvLoc1->GetStartPoint( ptStart1) ;
+      Point3d ptStart2 ; CrvLoc2->GetStartPoint( ptStart2) ;
+      Vector3d vtRuling = ptStart2 - ptStart1 ;
+      bStdOrient = ( vtRuling * plPlane1.GetVersN() > 0) ;
+      if ( ! bStdOrient)
+         pSbz->Invert() ;
+   }
+   
+  // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+
+  // se richiesto inserisco anche il cap
+   if ( bOk  &&  bWithCaps) {
+     // costruisco la superficie dalla curva 1
+      PtrOwner<ISurfBezier> pSbzFlat1( CreateSurfBezier()) ;
+      double dAngTolDeg = 5 ;
+      PolyLine pl1 ; CrvLoc1->ApproxWithLines(dLinTol, dAngTolDeg, ICurve::APL_STD, pl1) ;
+      pSbzFlat1->CreateByFlatContour( pl1) ;
+      if ( bStdOrient)
+         pSbzFlat1->Invert() ;
+     // inserisco la superficie nel DB
+      bOk = bOk &&  pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbzFlat1)) ;
+     // costruisco la superficie dalla curva 2
+      PtrOwner<ISurfBezier> pSbzFlat2( CreateSurfBezier()) ;
+      PolyLine pl2 ; CrvLoc2->ApproxWithLines(dLinTol, dAngTolDeg, ICurve::APL_STD, pl2) ;
+      pSbzFlat2->CreateByFlatContour( pl2) ;
+      if ( ! bStdOrient)
+         pSbzFlat2->Invert() ;
+     // inserisco la superficie nel DB
+      bOk = bOk  &&  pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbzFlat2)) ;
+   }
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzRuled(" + IdToString( nParentId) + "," +
+                                        ToString( nCrvId1) + "," +
+                                        ToString( nCrvId2) + "," +
+                                        ToString( nRuledType) + "," +
+                                        ( bCapEnds ? "true" : "false") + "," +  
+                                        ToString( dLinTol) + ")" +
+                                       " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzSkinned( int nParentId, const INTVECTOR& vCrvIds, bool bCapEnds, double dLinTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+  // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+  // recupero le curve in locale
+   CURVELOCALVECTOR vCrvLoc ;
+   vCrvLoc.reserve( vCrvIds.size()) ;
+   CICURVEPVECTOR vCrvP ;
+   vCrvP.reserve( vCrvIds.size()) ;
+   for ( size_t i = 0 ; i < vCrvIds.size() ; ++ i) {
+      int nId = vCrvIds[i] ;
+      vCrvLoc.emplace_back( pGeomDB, nId, frLoc) ;
+      vCrvP.push_back( vCrvLoc.back().Get()) ;
+      bOk = bOk && ( vCrvLoc[i].Get() != nullptr) ;
+   }
+
+  // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( bOk ? GetSurfBezierSkinned( vCrvP, dLinTol) : nullptr ) ;
+   bOk = bOk && ! IsNull( pSbz) ;
+  // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfBzSkinned(" + IdToString( nParentId) + ",{" +
+                                          IdListToString( vCrvIds) + "}," +
+                                          ( bCapEnds ? "true" : "false") + "," +  
+                                          ToString( dLinTol) + ")" +
+                    " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}
+
+//-------------------------------------------------------------------------------
+int
+ExeCreateSurfBzSwept( int nParentId, int nSectId, int nGuideId, const Vector3d& vtAx,
+                      bool bCapEnds, double dLinTol, int nRefType)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   nParentId = AdjustId( nParentId) ;
+   bool bOk = true ;
+   // recupero il riferimento locale
+   Frame3d frLoc ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nParentId, frLoc) ;
+   // recupero le curve in locale
+   CurveLocal CrvSect( pGeomDB, nSectId, frLoc) ;
+   CurveLocal CrvGuide( pGeomDB, nGuideId, frLoc) ;
+   // porto in locale vettore asse
+   Vector3d vtAxL = GetVectorLocal( pGeomDB, vtAx, nRefType, frLoc) ;
+
+   PolyLine plGuide ;
+   double dAngTolDeg = 15 ;
+   CrvGuide->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, plGuide) ;
+   Plane3d plPlane ;
+   bool bFlatGuide = plGuide.IsFlat( plPlane) ;
+   // calcolo la superficie
+   PtrOwner<ISurfBezier> pSbz( CreateSurfBezier()) ;
+   if( bFlatGuide)
+      pSbz.Set( bOk ? GetSurfBezierSweptInPlane( CrvSect, CrvGuide, vtAxL, bCapEnds, dLinTol) : nullptr ) ;
+   else
+      pSbz.Set( bOk ? GetSurfBezierSwept3d( CrvSect, CrvGuide, vtAxL, bCapEnds, dLinTol) : nullptr ) ;
+
+   // se richiesto il capping verifico che la superficie abbia il gisto orientamento
+   bool bOrientedAsGuide = false ;
+   ICRVCOMPOPOVECTOR vCCLoop ;
+   if( bCapEnds) {
+      // controlo se il vettore di start della guida è orientato come la normale della curva o no
+      Vector3d vtStart ; CrvGuide->GetStartDir( vtStart) ;
+      Plane3d plPlane ;
+      double dArea ;
+      double dOrthoGuide = 0 ;
+      // verifico che la curva sia chiusa e piatta
+      PolyLine PL ;
+      CrvSect->ApproxWithLines(dLinTol, dAngTolDeg, ICurve::APL_STD, PL) ;
+      if ( PL.IsClosedAndFlat(plPlane, dArea, dLinTol)) {
+         dOrthoGuide = plPlane.GetVersN() * vtStart ;
+         // controllo che ci sia una componente dell'estrusione perpendicolare al piano della curva
+         if( abs( dOrthoGuide) < EPS_SMALL)
+            return GDB_ID_NULL ;
+         // recupero i loop
+         pSbz->GetLoops( vCCLoop, true) ;
+         // se necessario inverto la superficie
+         if( dOrthoGuide > EPS_SMALL)
+            bOrientedAsGuide = true ;
+         else
+            pSbz->Invert() ;
+      }
+      else
+         bCapEnds = false ;
+   }
+
+
+
+   // inserisco la superficie nel DB
+   int nNewId = ( bOk ? pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSbz)) : GDB_ID_NULL) ;
+
+   // se richiesto aggiungo anche i cap
+   if ( bCapEnds) {
+      // controllo se i loop trovati sono validi
+      bool bValidLoop0 = false ;
+      bool bValidLoop2 = false ;
+      if( ! IsNull(vCCLoop[0])  &&  vCCLoop[0]->IsValid())
+         bValidLoop0 = true ;
+      if( ! IsNull(vCCLoop[2])  &&  vCCLoop[2]->IsValid())
+         bValidLoop2 = true ;
+
+      if( ! IsNull(vCCLoop[0])  &&  ! vCCLoop[0]->IsValid())
+         return GDB_ID_NULL ;
+      if( ! IsNull(vCCLoop[2])  &&  ! vCCLoop[2]->IsValid())
+         return GDB_ID_NULL ;
+      // il getLoops per superfici non trimmate restituisce 1 elemento per ogni lato dello spazio parametrico.
+      // in questo caso la superficie è chiusa lungo il parametro V, quindi i lati 1 e 3 saranno null.
+      double dAngTolDeg = 5 ;
+      PolyLine plEdge0 ;
+      if( bValidLoop0)
+         vCCLoop[0]->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, plEdge0) ;
+      PolyLine plEdge2 ;
+      if( bValidLoop2)
+         vCCLoop[2]->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, plEdge2) ;
+
+      PtrOwner<ISurfBezier> pSrfBezStart( CreateSurfBezier()) ;
+      pSrfBezStart->CreateByFlatContour( plEdge2) ;
+     // se necessario inverto
+      if( bOrientedAsGuide)  // edge 2, che è la prima riga della matrice dei punti di controllo è orientato nello stesso verso della curva di sezione
+         pSrfBezStart->Invert() ;
+      // aggiungo al database
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBezStart)) ;
+      PtrOwner<ISurfBezier> pSrfBezEnd( CreateSurfBezier()) ;
+      pSrfBezEnd->CreateByFlatContour( plEdge0) ;
+     // se necessario inverto
+      if( bOrientedAsGuide) // edge 0, che è l'ultima riga della matrice dei punti di controllo è orientato in verso opposto alla curva di sezione
+         pSrfBezEnd->Invert() ;
+      // aggiungo al database
+      pGeomDB->AddGeoObj( GDB_ID_NULL, nParentId, Release( pSrfBezEnd)) ;
+   }
+   ExeSetModified() ;
+   // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfbzByScrewing(" + IdToString( nParentId) + "," +
+                                             IdToString( nSectId) + "," +
+                                             IdToString( nGuideId) + "," +
+                                             ToString( dLinTol) + ")" +
+         " -- Id=" + ToString( nNewId) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco l'identificativo della nuova entità
+   return nNewId ;
+}

EXE_GdbGetCurve.cpp

@@ -19,6 +19,8 @@
 #include "GeoTools.h"
 #include "/EgtDev/Include/EXeExecutor.h"
 #include "/EgtDev/Include/EXeConst.h"
+#include "/EgtDev/Include/EGkGeoPoint3d.h"
+#include "/EgtDev/Include/EGkGeoPoint3d.h"
 #include "/EgtDev/Include/EGkCurve.h"
 #include "/EgtDev/Include/EGkCurveArc.h"
 #include "/EgtDev/Include/EGkCurveBezier.h"
@@ -27,7 +29,6 @@
 #include "/EgtDev/Include/EGkDistPointCurve.h"
 #include "/EgtDev/Include/EGkIntersCurves.h"
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
-#include "/EgtDev/Include/EGkGeoPoint3d.h"
 
 //----------------------------------------------------------------------------
 bool
@@ -59,6 +60,21 @@ ExeCurveLength( int nId, double* pdLen)
    return ( pCurve != nullptr  &&  pCurve->GetLength( *pdLen)) ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeCurveLengthAtParam( int nId, double dPar, double* pdLen)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // verifico il parametro
+   if ( pdLen == nullptr)
+      return false ;
+  // recupero la curva
+   ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
+  // recupero la lunghezza
+   return ( pCurve != nullptr  &&  pCurve->GetLengthAtParam( dPar, *pdLen)) ;
+}
+
 //----------------------------------------------------------------------------
 bool
 ExeCurveParamAtLength( int nId, double dLen, double* pdPar)
@@ -162,7 +178,7 @@ ExeCurveIsFlat( int nId, Plane3d& Plane, bool bUseExtrusion, double dToler)
       return false ;
   // recupero la curva
    ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-  // ne verifico la planarità
+  // ne verifico la planarit�
    return ( pCurve != nullptr  &&  pCurve->IsFlat( Plane, bUseExtrusion, dToler)) ;
 }
 
@@ -207,6 +223,8 @@ ExeCurveIsACircle( int nId, Point3d& ptCen, Vector3d& vtN, double& dRad, bool& b
            return false ;
         return pCompo->IsACircle( dToler, ptCen, vtN, dRad, bCCW) ;
       }
+   default :
+      return false ;
    }
 
    return false ;
@@ -292,7 +310,7 @@ ExeCurveNearestExtremityToPoint( int nId, const Point3d& ptP, bool& bStart)
    VERIFY_GEOMDB( pGeomDB, false)
   // recupero la curva
    ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-  // recupero quale estremo è più vicino al punto
+  // recupero quale estremo � pi� vicino al punto
    return ( pCurve != nullptr  &&  pCurve->GetNearestExtremityToPoint( ptP, bStart)) ;
 }
 
@@ -368,7 +386,7 @@ ExeCurveMinAreaRectangleXY( int nId, int nRefId, Frame3d& frRect, double& dDimX,
       PL.LocToLoc( frCrv, pGeomDB->GetGridFrame()) ;
    else if ( bOk  &&  nRefId != nId) {
       Frame3d frDest ;
-     // nRefId può essere un gruppo o una entità
+     // nRefId pu� essere un gruppo o una entit�
       if ( pGeomDB->GetGroupGlobFrame( nRefId, frDest)  ||
            pGeomDB->GetGlobFrame( nRefId, frDest))
          PL.LocToLoc( frCrv, frDest) ;
@@ -616,6 +634,9 @@ ExeCurveCompoRadius( int nId, int nSimpCrv, double& dRad)
    case CRV_BEZIER :
       dRad = -2 ;
       break ;
+   default :
+      dRad = -3 ;
+      break ;
    }
    return true ;
 }
@@ -645,6 +666,9 @@ ExeCurveCompoAngCenter( int nId, int nSimpCrv, double& dAngCen)
    case CRV_BEZIER :
       dAngCen = 0 ;
       break ;
+   default :
+      dAngCen = 0 ;
+      break ;
    }
    return true ;
 }
@@ -674,7 +698,138 @@ ExeCurveCompoNormVersor( int nId, int nSimpCrv, int nRefId, Vector3d& vtNorm)
    case CRV_BEZIER :
       vtNorm = V_NULL ;
       break ;
+   default :
+      vtNorm = V_NULL ;
+      break ;
    }
   // gestione trasformazione ( eventuale)
    return TransformVector( pGeomDB, nId, nRefId, vtNorm) ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveCompoGetTempProp( int nId, INTVECTOR& vProp, int nPropInd) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la curva composita
+   const ICurveComposite* pCompo = GetCurveComposite( pGeomDB->GetGeoObj( nId)) ;
+   if ( pCompo == nullptr)
+      return false ;
+  // recupero i valori
+   vProp.clear() ;
+   vProp.reserve( pCompo->GetCurveCount()) ;
+   const ICurve* pSmplCrv = pCompo->GetFirstCurve() ;
+   while ( pSmplCrv != nullptr) {
+      vProp.push_back( pSmplCrv->GetTempProp( nPropInd)) ;
+      pSmplCrv = pCompo->GetNextCurve() ;
+   }
+   return true ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveCompoGetTempParam( int nId, DBLVECTOR& vParam, int nParamInd) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la curva composita
+   const ICurveComposite* pCompo = GetCurveComposite( pGeomDB->GetGeoObj( nId)) ;
+   if ( pCompo == nullptr)
+      return false ;
+  // recupero i valori
+   vParam.clear() ;
+   vParam.reserve( pCompo->GetCurveCount()) ;
+   const ICurve* pSmplCrv = pCompo->GetFirstCurve() ;
+   while ( pSmplCrv != nullptr) {
+      vParam.push_back( pSmplCrv->GetTempParam( nParamInd)) ;
+      pSmplCrv = pCompo->GetNextCurve() ;
+   }
+   return true ;
+}
+
+//----------------------------------------------------------------------------
+int
+ExeShowCurveBezierControlPoints( int nCrvId, int nDestGrpId, int* pnCount)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+   // recupero la curva di bezier
+   IGeoObj* pGeoObj = pGeomDB->GetGeoObj( nCrvId) ;
+   if ( pGeoObj->GetType() != CRV_BEZIER  &&  pGeoObj->GetType() != CRV_COMPO)
+      return GDB_ID_NULL ;
+   // recupero il riferimento della curva
+   Frame3d frCrv ;
+   bool bOk = true ;
+   bOk = bOk && pGeomDB->GetGlobFrame( nCrvId, frCrv) ;
+   // recupero il riferimento di destinazione
+   Frame3d frDest ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nDestGrpId, frDest) ;
+   if ( ! bOk)
+      return GDB_ID_NULL ;
+   int nType = pGeoObj->GetType() ;
+   if ( nType == CRV_COMPO) {
+      const ICurveComposite* pCrvCompo = GetCurveComposite( pGeoObj) ;
+      if ( pCrvCompo == nullptr)
+         return false ;
+      int nFirstId = -1 ;
+      int nCount = 0 ;
+      for ( int i = 0 ; i < pCrvCompo->GetCurveCount() ; ++i) {
+         const ICurveBezier* pCrvBezier = GetCurveBezier( pCrvCompo->GetCurve(i)) ;
+         if ( pCrvBezier == nullptr) {
+            if ( pnCount != nullptr)
+               *pnCount = nCount ;
+            return nFirstId ;
+         }
+         int nDeg = pCrvBezier->GetDegree() ;
+         //bool bRat = pCrvBezier->IsRational() ;
+         for ( int i = 0 ; i < nDeg + 1 ; ++i) {
+            IGeoPoint3d* pGeoPt( CreateGeoPoint3d()) ;
+            //if ( ! bRat)
+            //   pGeoPt->Set( pCrvBezier->GetControlPoint( i)) ;
+            //else
+            //   pGeoPt->Set( pCrvBezier->GetControlPoint( i) * pCrvBezier->GetControlWeight( i)) ;
+            pGeoPt->Set( pCrvBezier->GetControlPoint( i)) ;
+            pGeoPt->LocToLoc( frCrv, frDest) ;
+            int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nDestGrpId, pGeoPt) ;
+            if ( nFirstId == GDB_ID_NULL)
+               nFirstId = nId ;
+            if ( nId != GDB_ID_NULL)
+               ++nCount ;
+         }
+      }
+      // restituisco i risultati
+      if ( pnCount != nullptr)
+         *pnCount = nCount ;
+      return nFirstId ;
+   }
+   else if ( nType == CRV_BEZIER) {
+      const ICurveBezier* pCrvBezier = GetCurveBezier( pGeoObj) ;
+      if ( pCrvBezier == nullptr)
+         return false ;
+      int nDeg = pCrvBezier->GetDegree() ;
+      //bool bRat = pCrvBezier->IsRational() ;
+      int nFirstId = -1 ;
+      int nCount = 0 ;
+      for ( int i = 0 ; i < nDeg + 1 ; ++i) {
+         IGeoPoint3d* pGeoPt( CreateGeoPoint3d()) ;
+         //if ( ! bRat)
+         //   pGeoPt->Set( pCrvBezier->GetControlPoint( i)) ;
+         //else
+         //   pGeoPt->Set( pCrvBezier->GetControlPoint( i) * pCrvBezier->GetControlWeight( i)) ;
+         pGeoPt->Set( pCrvBezier->GetControlPoint( i)) ;
+         pGeoPt->LocToLoc( frCrv, frDest) ;
+         int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nDestGrpId, pGeoPt) ;
+         if ( nFirstId == GDB_ID_NULL)
+            nFirstId = nId ;
+         if ( nId != GDB_ID_NULL)
+            ++nCount ;
+      }
+      // restituisco i risultati
+      if ( pnCount != nullptr)
+         *pnCount = nCount ;
+      return nFirstId ;
+   }
+   else
+      return GDB_ID_NULL ;
 }

EXE_GdbGetPocketing.cpp

@@ -59,7 +59,7 @@ ExePocketing( const int nId, double dRad, double dStep, double dAngle, int nType
 
   // eseguo Pocketing
    ICRVCOMPOPOVECTOR vCrvCompoRes ;
-   bool bOk = CalcPocketing( pSfr, dRad, dStep, dAngle, nType, bSmooth, vCrvCompoRes) ;
+   bool bOk = CalcPocketing( pSfr, dRad, 0, dStep, dAngle, nType, bSmooth, false, false, false, P_INVALID, nullptr, vCrvCompoRes) ;
    nFirstId = GDB_ID_NULL ;
    nCrvCount = int( vCrvCompoRes.size()) ;
    if ( bOk  &&  nCrvCount > 0) {

EXE_GdbGetSurf.cpp

@@ -29,10 +29,12 @@
 #include "/EgtDev/Include/EGkSurfFlatRegion.h"
 #include "/EgtDev/Include/EGkSurfTriMesh.h"
 #include "/EgtDev/Include/EGkSurfBezier.h"
+#include "/EgtDev/Include/EGkDistPointSurfFr.h"
 #include "/EgtDev/Include/EGkDistPointSurfTm.h"
 #include "/EgtDev/Include/EGkIntersCurves.h"
 #include "/EgtDev/Include/EGkIntersLineBox.h"
 #include "/EgtDev/Include/EGkIntersLineSurfTm.h"
+#include "/EgtDev/Include/EGkCAvSilhouetteSurfTm.h"
 #include "/EgtDev/Include/EGkCalcPocketing.h"
 #include "/EgtDev/Include/EGkPolygonElevation.h"
 #include "/EgtDev/Include/EGkSurfLocal.h"
@@ -63,7 +65,7 @@ ExeSurfIsClosed( int nId)
    VERIFY_GEOMDB( pGeomDB, false)
   // recupero la superficie
    ISurf* pSurf = GetSurf( pGeomDB->GetGeoObj( nId)) ;
-  // verifico se è superficie chiusa
+  // verifico se è superficie chiusa
    return ( pSurf != nullptr  &&  pSurf->IsClosed()) ;
 }
 
@@ -78,7 +80,7 @@ ExeSurfVolume( int nId, double& dVol)
       return false ;
   // recupero la superficie
    ISurf* pSurf = GetSurf( pGeomDB->GetGeoObj( nId)) ;
-  // ne restituisco l'eventuale volume (se è chiusa)
+  // ne restituisco l'eventuale volume (se è chiusa)
    return ( pSurf != nullptr  &&  pSurf->GetVolume( dVol)) ;
 }
 
@@ -118,24 +120,26 @@ bool
 ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist)
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
-   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   VERIFY_GEOMDB( pGeomDB, false)
   // recupero la prima superficie FlatRegion
-   ISurfFlatRegion* pSfr1 = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId1)) ;
+   const ISurfFlatRegion* pSfr1 = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId1)) ;
    if ( pSfr1 == nullptr)
       return false ;
   // se richiesta distanza di sicurezza, ne faccio l'offset
-   PtrOwner<ISurfFlatRegion> pSfr1O( pSfr1->Clone()) ;
-   if ( IsNull( pSfr1O))
-      return false ;
-   if ( dMinDist > 10 * EPS_SMALL)
-      pSfr1O->Offset( dMinDist, ICurve::OFF_FILLET) ;
+   PtrOwner<ISurfFlatRegion> pSfr1O ;
+   if ( abs( dMinDist) > 5 * EPS_SMALL) {
+      pSfr1O.Set( pSfr1->Clone()) ;
+      if ( IsNull( pSfr1O)  ||  ! pSfr1O->Offset( dMinDist, ICurve::OFF_FILLET))
+         return false ;
+      pSfr1 = Get( pSfr1O) ;
+   }
   // recupero il riferimento della superficie
    Frame3d frSurf1 ;
    if ( ! pGeomDB->GetGlobFrame( nId1, frSurf1))
       return false ;
-  // recupero il tipo della seconda entità
+  // recupero il tipo della seconda entità
    int nType2 = pGeomDB->GetGeoType( nId2) ;
-  // se seconda entità regione
+  // se seconda entità regione
    if ( nType2 == SRF_FLATRGN) {
      // recupero la seconda superficie FlatRegion in locale alla prima
       SurfLocal Surf2Loc( pGeomDB, nId2, frSurf1) ;
@@ -143,9 +147,9 @@ ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist)
       if ( pSfr2L == nullptr)
          return false ;
      // eseguo il test di intersezione tra le due regioni
-      for ( int i = 0 ; i < pSfr1O->GetChunkCount() ; ++ i) {
+      for ( int i = 0 ; i < pSfr1->GetChunkCount() ; ++ i) {
          for ( int j = 0 ; j < pSfr2L->GetChunkCount() ; ++ j) {
-            if ( pSfr1O->GetChunkSimpleClassification( i, *pSfr2L, j) != REGC_OUT)
+            if ( pSfr1->GetChunkSimpleClassification( i, *pSfr2L, j) != REGC_OUT)
                return false ;
          }
       }
@@ -159,8 +163,8 @@ ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist)
       if ( pCrv2L == nullptr)
          return false ;
      // eseguo il test di intersezione tra regione e curva
-      for ( int i = 0 ; i < pSfr1O->GetChunkCount() ; ++ i) {
-         PtrOwner<ICurve> pCrv1( pSfr1O->GetLoop( i, 0)) ;
+      for ( int i = 0 ; i < pSfr1->GetChunkCount() ; ++ i) {
+         PtrOwner<ICurve> pCrv1( pSfr1->GetLoop( i, 0)) ;
          if ( pCrv1 == nullptr)
             return false ;
          IntersCurveCurve ccInt( *pCrv1, *pCrv2L) ;
@@ -168,7 +172,8 @@ ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist)
          if ( ! ccInt.GetCurveClassification( 1, EPS_SMALL, vcClass)  ||  vcClass.empty())
             return false ;
          for ( auto& cClass : vcClass) {
-            if ( cClass.nClass == CRVC_IN  ||  cClass.nClass == CRVC_NULL)
+            if ( cClass.nClass == CRVC_IN  ||  cClass.nClass == CRVC_ON_M  ||
+                 cClass.nClass == CRVC_ON_P  ||  cClass.nClass == CRVC_NULL)
                return false ;
          }
       }
@@ -178,34 +183,17 @@ ExeSurfFrTestExternal( int nId1, int nId2, double dMinDist)
    else if ( nType2 == GEO_PNT3D) {
      // recupero il punto
       IGeoPoint3d* pGeoPt = GetGeoPoint3d( pGeomDB->GetGeoObj( nId2)) ;      
-      Point3d pt = pGeoPt->GetPoint() ;
+      Point3d ptP = pGeoPt->GetPoint() ;
      // porto il punto in locale
       Frame3d frPt ;
       if ( ! pGeomDB->GetGlobFrame( nId2, frPt))
          return false ;
-      pt.LocToLoc( frPt, frSurf1) ;
-     
-      for ( int i = 0 ; i < pSfr1O->GetChunkCount() ; i ++) {
-        // verifico se è contenuto nel loop esterno
-         PtrOwner<ICurve> pCrv( pSfr1O->GetLoop( i, 0)) ;
-         PolyLine PL ;
-         pCrv->ApproxWithLines( 10 * EPS_SMALL, 15, ICurve::APL_STD, PL) ;
-         if ( IsPointInsidePolyLine( pt, PL, EPS_SMALL)) {
-            bool bInsideHole = false ;
-           // verifico se è contenuto in un loop interno
-            for ( int j = 1 ; j < pSfr1O->GetLoopCount( i) ; j ++) {
-               PtrOwner<ICurve> pCrv( pSfr1O->GetLoop( i, j)) ;
-               pCrv->ApproxWithLines( 10 * EPS_SMALL, 15, ICurve::APL_STD, PL) ;
-               PL.Invert() ;
-               if ( IsPointInsidePolyLine( pt, PL, EPS_SMALL))
-                  bInsideHole = true ;
-            }
-           // se è contenuto nel loop esterno ma non è contenuto in nessuno dei loop interni allora il punto è interno
-            if ( ! bInsideHole)
-               return false ;
-         }         
-      }
-      return true ;
+      ptP.LocToLoc( frPt, frSurf1) ;
+     // determino se interno (comprende la frontiera)
+      bool bInside ;
+      if ( ! IsPointInsideSurfFr( ptP, pSfr1, 0, bInside))
+         return false ;
+      return ( ! bInside) ;
    }
   // altrimenti non valida
    else
@@ -226,6 +214,20 @@ ExeSurfFrChunkCount( int nId)
    return pSfr->GetChunkCount() ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeSurfFrChunkMaxOffset( int nId, int nChunk, double& dMaxOffset)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // verifico il parametro
+   if ( &dMaxOffset == nullptr)
+      return false ;
+  // recupero la Regione
+   const ISurfFlatRegion* pSfr = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId)) ;
+   return ( pSfr != nullptr  &&  pSfr->GetChunkMaxOffset( nChunk, dMaxOffset)) ;
+}
+
 //----------------------------------------------------------------------------
 int
 ExeSurfFrChunkSimpleClassify( int nId1, int nChunk1, int nId2, int nChunk2, double dToler)
@@ -259,6 +261,25 @@ ExeSurfFrChunkSimpleClassify( int nId1, int nChunk1, int nId2, int nChunk2, doub
    return nRes ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeSurfFrChunkCenter( int nId, int nChunk, int nRefId, Point3d& ptCen, Vector3d& vtN)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la superficie FlatRegion
+   ISurfFlatRegion* pSfr = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId)) ;
+   if ( pSfr == nullptr)
+      return false ;
+  // recupero il centro della parte
+   if ( ! pSfr->GetChunkCentroid( nChunk, ptCen))
+      return false ;
+  // recupero la normale della regione
+   vtN = pSfr->GetNormVersor() ;
+  // gestione trasformazioni ( eventuali)
+   return TransformPoint( pGeomDB, nId, nRefId, ptCen) && TransformVector( pGeomDB, nId, nRefId, vtN) ;
+}
+
 //----------------------------------------------------------------------------
 int
 ExeExtractSurfFrChunkLoops( int nId, int nChunk, int nDestGrpId, int* pnCount)
@@ -380,11 +401,11 @@ ExeSurfTmGetNearestVertex( int nId, const Point3d& ptNear, int nRefId, int& nVer
    const ISurfTriMesh* pStm = GetSurfTriMesh( pGeomDB->GetGeoObj( nId)) ;
    if ( pStm == nullptr)
       return false ;
-  // porto il punto Near nel riferimento dell'entità
+  // porto il punto Near nel riferimento dell'entità
    Point3d ptNearL = ptNear ;
    if ( ! InvTransformPoint( pGeomDB, nId, nRefId, ptNearL))
       return false ;
-  // recupero il vertice più vicino della superficie
+  // recupero il vertice più vicino della superficie
    nVert = GetSurfTmNearestVertex( ptNearL, *pStm) ;
    if ( ! pStm->GetVertex( nVert, ptVert))
       return false ;
@@ -392,6 +413,26 @@ ExeSurfTmGetNearestVertex( int nId, const Point3d& ptNear, int nRefId, int& nVer
    return TransformPoint( pGeomDB, nId, nRefId, ptVert) ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeSurfTmTriangleNormVersor( int nId, int nTria, int nRefId, Vector3d& vtNorm)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la superficie trimesh
+   const ISurfTriMesh* pStm = GetSurfTriMesh( pGeomDB->GetGeoObj( nId)) ;
+   if ( pStm == nullptr)
+      return false ;
+  // recupero il triangolo
+   Triangle3d Tria ;
+   if ( ! pStm->GetTriangle( nTria, Tria))
+      return false ;
+  // assegno la normale
+   vtNorm = Tria.GetN() ;
+  // gestione trasformazione ( eventuale)
+   return TransformVector( pGeomDB, nId, nRefId, vtNorm) ;
+}
+
 //----------------------------------------------------------------------------
 int
 ExeSurfTmFacetFromTria( int nId, int nT)
@@ -431,11 +472,11 @@ ExeSurfTmFacetNearestEndPoint( int nId, int nFacet, const Point3d& ptNear, int n
    const ISurfTriMesh* pStm = GetSurfTriMesh( pGeomDB->GetGeoObj( nId)) ;
    if ( pStm == nullptr)
       return false ;
-  // porto il punto Near nel riferimento dell'entità
+  // porto il punto Near nel riferimento dell'entità
    Point3d ptNearL = ptNear ;
    if ( ! InvTransformPoint( pGeomDB, nId, nRefId, ptNearL))
       return false ;
-  // recupero il punto End più vicino della faccia
+  // recupero il punto End più vicino della faccia
    if ( ! pStm->GetFacetNearestEndPoint( nFacet, ptNearL, ptEnd, vtN))
       return false ;
   // gestione trasformazioni ( eventuali)
@@ -453,11 +494,11 @@ ExeSurfTmFacetNearestMidPoint( int nId, int nFacet, const Point3d& ptNear, int n
    const ISurfTriMesh* pStm = GetSurfTriMesh( pGeomDB->GetGeoObj( nId)) ;
    if ( pStm == nullptr)
       return false ;
-  // porto il punto Near nel riferimento dell'entità
+  // porto il punto Near nel riferimento dell'entità
    Point3d ptNearL = ptNear ;
    if ( ! InvTransformPoint( pGeomDB, nId, nRefId, ptNearL))
       return false ;
-  // recupero il punto Mid più vicino della faccia
+  // recupero il punto Mid più vicino della faccia
    if ( ! pStm->GetFacetNearestMidPoint( nFacet, ptNearL, ptMid, vtN))
       return false ;
   // gestione trasformazioni ( eventuali)
@@ -555,7 +596,7 @@ ExeSurfTmFacetElevationInBBox( int nId, int nFacet, const BBox3d& b3Box, bool bA
    else if ( nRefId == GDB_ID_GRID)
       frBox = pGeomDB->GetGridFrame() ;
    else {
-     // nRefId può essere un gruppo o una entità
+     // nRefId può essere un gruppo o una entità
       if ( ! pGeomDB->GetGroupGlobFrame( nRefId, frBox)  &&
            ! pGeomDB->GetGlobFrame( nRefId, frBox))
          return false ;
@@ -663,7 +704,7 @@ ExeSurfTmFacetOppositeSideEx( int nId, int nFacet, const Vector3d& vtDir, int nR
    pCrvCompo->ToLoc( frSpec) ;
   // ne faccio una copia per usi successivi
    PtrOwner<ICurveComposite> pCrvCopy( pCrvCompo->Clone()) ;
-  // la direzione di riferimento è l'asse X, la sostituisco con quella perpendicolare alla curva più adatta
+  // la direzione di riferimento è l'asse X, la sostituisco con quella perpendicolare alla curva più adatta
    Vector3d vtRef = X_AX ;
    double dCosMax = -1 ;
    const ICurve* pCrv = pCrvCompo->GetFirstCurve() ;
@@ -913,6 +954,108 @@ ExeGetSurfTmSilhouette( int nId, const Vector3d& vtDir, double dToler, int nDest
    return nFirstId ;
 }
 
+//----------------------------------------------------------------------------
+static int
+MyGetSurfTmParSilhouettes( const INTVECTOR& vIds, const Point3d& ptOn, const Vector3d& vtN, const DBLVECTOR& vdDist,
+                           double dToler, int nDestGrpId, int nRefType, int& nCount)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+  // inizializzo contatore a valore negativo (errore)
+   nCount = -1 ;
+  // se non ci sono superfici o quote di calcolo, non c'è niente da calcolare
+   if ( vIds.empty()  ||  vdDist.empty())
+      return GDB_ID_NULL ;
+  // recupero il riferimento della prima superficie
+   Frame3d frSurf ;
+   if ( ! pGeomDB->GetGlobFrame( vIds[0], frSurf))
+      return GDB_ID_NULL ;
+  // recupero il riferimento di destinazione
+   Frame3d frDest ;
+   if ( ! pGeomDB->GetGroupGlobFrame( nDestGrpId, frDest))
+      return GDB_ID_NULL ;
+  // recupero le superfici TriMesh e le porto tutte in locale alla prima
+   SURFLOCALVECTOR vSurfL ; vSurfL.reserve( vIds.size()) ;
+   CISURFTMPVECTOR vpStm ;  vpStm.reserve( vIds.size()) ;
+   for ( int i = 0 ; i < int( vIds.size()) ; ++ i) {
+      vSurfL.emplace_back( pGeomDB, vIds[i], frSurf) ;
+      if ( vSurfL[i].Get() == nullptr)
+         return GDB_ID_NULL ;
+      vpStm.emplace_back( GetSurfTriMesh( vSurfL[i].Get())) ;
+   }
+  // porto in locale alla superficie il punto e la normale e ne calcolo un riferimento
+   Point3d ptOnL = GetPointLocal( pGeomDB, ptOn, nRefType, frSurf) ;
+   Vector3d vtNL = GetVectorLocal( pGeomDB, vtN, nRefType, frSurf) ;
+   Frame3d frPlanes ;
+   if ( ! frPlanes.Set( ptOnL, vtNL))
+      return GDB_ID_NULL ;
+  // recupero i contorni delle varie silhouette
+   int nFirstId = GDB_ID_NULL ;
+   int nTempCount = 0 ;
+   PtrOwner<ICAvParSilhouettesSurfTm> pCavParSilh( CreateCAvParSilhouettesSurfTm()) ;
+   if ( IsNull( pCavParSilh)  ||  ! pCavParSilh->SetData( vpStm, frPlanes, dToler))
+      return GDB_ID_NULL ;
+   for ( auto dDist : vdDist) {
+     // recupero i loop come polilinee
+      POLYLINEVECTOR vPL ;
+      if ( ! pCavParSilh->GetSilhouette( dDist, vPL))
+         return GDB_ID_NULL ;
+     // dalle polilinee creo le curve e le inserisco nel DB
+      for ( int i = 0 ; i < int( vPL.size()) ; ++ i) {
+        // creo la curva
+         PtrOwner<ICurveComposite> pCrvCompo( CreateCurveComposite()) ;
+         if ( ! pCrvCompo->FromPolyLine( vPL[i]))
+            return GDB_ID_NULL ;
+        // assegno direzione di estrusione
+         pCrvCompo->SetExtrusion( vtNL) ;
+        // la porto nel riferimento destinazione
+         pCrvCompo->LocToLoc( frSurf, frDest) ;
+        // la inserisco nel DB geometrico
+         int nNewId = pGeomDB->AddGeoObj( GDB_ID_NULL, nDestGrpId, Release( pCrvCompo)) ;
+         if ( nNewId == GDB_ID_NULL)
+            return GDB_ID_NULL ;
+        // copio il materiale
+         if ( ! pGeomDB->CopyMaterial( vIds[0], nNewId))
+            return GDB_ID_NULL ;
+        // aggiorno contatori
+         if ( nFirstId == GDB_ID_NULL)
+            nFirstId = nNewId ;
+         ++ nTempCount ;
+      }
+   }
+   nCount = nTempCount ;
+   return nFirstId ;
+}
+
+//----------------------------------------------------------------------------
+int
+ExeGetSurfTmParSilhouettes( const INTVECTOR& vIds, const Point3d& ptOn, const Vector3d& vtN, const DBLVECTOR& vdDist,
+                            double dToler, int nDestGrpId, int nRefType, int* pnCount)
+{
+  // eseguo
+   int nCount = -1 ;
+   int nFirstId = MyGetSurfTmParSilhouettes( vIds, ptOn, vtN, vdDist, dToler, nDestGrpId, nRefType, nCount) ;
+  // aggiorno contatori
+   if ( nFirstId != GDB_ID_NULL)
+      ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtGetSurfTmParSilhouettes({" + ToString( vIds) + "},{" +
+                                                     ToString( ptOn) + "},{" +
+                                                     ToString( vtN) + "},{" +
+                                                     ToString( vdDist) + "}," +
+                                                     ToString( dToler) + "," +
+                                                     ToString( nDestGrpId) + "," +
+                                                     RefTypeToString( nRefType) + ")" +
+                    " -- Id1=" + ToString( nFirstId) + ",Nbr=" + ToString( nCount) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+  // restituisco risultati
+   if ( pnCount != nullptr)
+      *pnCount = nCount ;
+   return nFirstId ;
+}
+
 //----------------------------------------------------------------------------
 int
 ExeExtractSurfTmFacetLoops( int nId, int nFacet, int nDestGrpId, int* pnCount)
@@ -1352,7 +1495,7 @@ MySurfBezierGetCurveUV( int nSurfId, bool bIsU, double dPar, int nDestGrpId)
    PtrOwner<ICurveComposite> pCrv( bIsU ? pSbz->GetCurveOnU( dPar) : pSbz->GetCurveOnV( dPar)) ;
    if ( IsNull( pCrv))
       return GDB_ID_NULL ;
-  // se è una curva
+  // se è una curva
    if ( ! pCrv->IsAPoint()) {
      // porto la curva nel riferimento destinazione
       pCrv->LocToLoc( frSurf, frDest) ;
@@ -1362,7 +1505,7 @@ MySurfBezierGetCurveUV( int nSurfId, bool bIsU, double dPar, int nDestGrpId)
       pGeomDB->CopyMaterial( nSurfId, nNewId) ;
       return nNewId ;
    }
-  // altrimenti è collassata in un punto
+  // altrimenti è collassata in un punto
    else {
       Point3d ptP ; pCrv->GetStartPoint( ptP) ;
       PtrOwner<IGeoPoint3d> pGeoPnt( CreateGeoPoint3d()) ;
@@ -1466,7 +1609,7 @@ MySurfBezierGetControlCurveUV( int nSurfId, bool bIsU, int nInd, int nDestGrpId)
       pSbz->GetControlCurveOnU( nInd, PL) ;
    else
       pSbz->GetControlCurveOnV( nInd, PL) ;
-  // se è una curva
+  // se è una curva
    if ( PL.GetPointNbr() > 1) {
       PtrOwner<ICurveComposite> pCrvCo( CreateCurveComposite()) ;
       if ( IsNull( pCrvCo)  ||  ! pCrvCo->FromPolyLine( PL))
@@ -1479,7 +1622,7 @@ MySurfBezierGetControlCurveUV( int nSurfId, bool bIsU, int nInd, int nDestGrpId)
       pGeomDB->CopyMaterial( nSurfId, nNewId) ;
       return nNewId ;
    }
-  // se altrimenti è collassata in un punto
+  // se altrimenti è collassata in un punto
    else if ( PL.GetPointNbr() == 1) {
       Point3d ptP ; PL.GetFirstPoint( ptP) ;
       PtrOwner<IGeoPoint3d> pGeoPnt( CreateGeoPoint3d()) ;
@@ -1493,7 +1636,7 @@ MySurfBezierGetControlCurveUV( int nSurfId, bool bIsU, int nInd, int nDestGrpId)
       pGeomDB->CopyMaterial( nSurfId, nNewId) ;
       return nNewId ;
    }
-  // altrimenti è errore
+  // altrimenti è errore
    else
       return GDB_ID_NULL ;
 }
@@ -1586,4 +1729,45 @@ ExeExtractSurfBezierLoops( int nId, int nDestGrpId, int* pnCount)
    if ( pnCount != nullptr)
       *pnCount = nCount ;
    return nFirstId ;
+}
+
+//----------------------------------------------------------------------------
+int
+ExeShowSurfBezierControlPoints( int nSrfId, int nDestGrpId, int* pnCount)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+   // recupero la superficie di bezier
+   IGeoObj* pGeoObj = pGeomDB->GetGeoObj( nSrfId) ;
+   if ( pGeoObj->GetType() != SRF_BEZIER)
+      return GDB_ID_NULL ;
+   // recupero il riferimento della superficie
+   Frame3d frSurf ;
+   bool bOk = true ;
+   bOk = bOk && pGeomDB->GetGlobFrame( nSrfId, frSurf) ;
+   // recupero il riferimento di destinazione
+   Frame3d frDest ;
+   bOk = bOk && pGeomDB->GetGroupGlobFrame( nDestGrpId, frDest) ;
+   if ( ! bOk)
+      return GDB_ID_NULL ;
+   int nDegU = - 1, nDegV = - 1, nSpanU = - 1, nSpanV = - 1 ;
+   bool bRat = false, bTrimmed = false ;
+   ISurfBezier* pSrfBez = GetSurfBezier( pGeoObj) ;
+   pSrfBez->GetInfo( nDegU, nDegV, nSpanU, nSpanV, bRat, bTrimmed) ;
+   int nFirstId = -1 ;
+   int nCount = 0 ;
+   for ( int i = 0 ; i < (nDegU * nSpanU + 1) * ( nDegV * nSpanV + 1) ; ++i) {
+      IGeoPoint3d* pGeoPt( CreateGeoPoint3d()) ;
+      pGeoPt->Set( pSrfBez->GetControlPoint( i, &bOk)) ;
+      pGeoPt->LocToLoc( frSurf, frDest) ;
+      int nId = pGeomDB->AddGeoObj( GDB_ID_NULL, nDestGrpId, pGeoPt) ;
+      if ( nFirstId == GDB_ID_NULL)
+         nFirstId = nId ;
+      if ( nId != GDB_ID_NULL)
+         ++nCount ;
+   }
+   // restituisco i risultati
+   if ( pnCount != nullptr)
+      *pnCount = nCount ;
+   return nFirstId ;
 }

EXE_GdbModifyCurve.cpp

@@ -876,7 +876,7 @@ ExeTrimExtendCurveByLen( int nId, double dLen, const Point3d& ptNear, int nRefTy
    bOk = bOk && pGeomDB->GetGlobFrame( nId, frLoc) ;
   // porto in locale il punto
    Point3d ptNearL = GetPointLocal( pGeomDB, ptNear, nRefType, frLoc) ;
-  // cerco l'estremo più vicino al punto passato
+  // cerco l'estremo più vicino al punto passato
    bool bStart ;
    if ( bOk  &&  pCurve->GetNearestExtremityToPoint( ptNearL, bStart)) {
       if ( bStart) {
@@ -971,7 +971,7 @@ MyTrimCurveWithRegion( int nCrvId, int nRegId, bool bInVsOut, bool bOn, int& nCo
      // passo alla successiva divisione
       bFound = inOk.GetNext( dParS, dParE) ;
    }
-  // cancello l'ultima copia (se non c'erano intervalli validi è l'originale)
+  // cancello l'ultima copia (se non c'erano intervalli validi è l'originale)
    pGeomDB->Erase( nCurrId) ;
    return nFirstId ;
 }
@@ -1016,7 +1016,7 @@ MyTrimFlatCurveWithBox( int nCrvId, const Frame3d& frBox, const Vector3d& vtDiag
    Plane3d plPlane ;
    if ( ! pCrv->IsFlat( plPlane, false, 10 * EPS_SMALL))
       return GDB_ID_NULL ;
-  // porto in locale alla curva il riferimento del box (il vettore è già in locale a questo stesso riferimento)
+  // porto in locale alla curva il riferimento del box (il vettore è già in locale a questo stesso riferimento)
    Frame3d frBoxL = GetFrameLocal( pGeomDB, frBox, nRefType, frCrv) ;
   // determino la parte di piano (poligono) compresa nel box (applicando le opportune trasformazioni di riferimento)
    plPlane.ToLoc( frBoxL) ;
@@ -1080,7 +1080,7 @@ MyTrimFlatCurveWithBox( int nCrvId, const Frame3d& frBox, const Vector3d& vtDiag
      // passo alla successiva divisione
       bFound = inOk.GetNext( dParS, dParE) ;
    }
-  // cancello l'ultima copia (se non c'erano intervalli validi è l'originale)
+  // cancello l'ultima copia (se non c'erano intervalli validi è l'originale)
    pGeomDB->Erase( nCurrId) ;
    return nFirstId ;
 }
@@ -1118,7 +1118,7 @@ ExeSplitCurve( int nId, int nParts)
   // recupero la curva
    ICurve* pCurve = GetCurve( pGeomDB->GetGeoObj( nId)) ;
    bool bOk = ( pCurve != nullptr) ;
-  // il numero di parti non può essere inferiore a 1
+  // il numero di parti non può essere inferiore a 1
    nParts = max( nParts, 1) ;
   // lunghezza totale della curva
    double dLenTot = 0 ;
@@ -1179,7 +1179,7 @@ ExeSplitCurveAtPoint( int nId, const Point3d& ptOn, int nRefType)
       int nFlag ;
       if ( ! dstPC.GetParamAtMinDistPoint( 0, dU, nFlag)  ||  nFlag != MDPCI_NORMAL)
          bOk = false ;
-     // se sull'inizio, provo se c'è una soluzione successiva
+     // se sull'inizio, provo se c'è una soluzione successiva
       if ( bOk  &&  dU < EPS_PARAM)
          dstPC.GetParamAtMinDistPoint( 1, dU, nFlag) ;
    }
@@ -1196,7 +1196,7 @@ ExeSplitCurveAtPoint( int nId, const Point3d& ptOn, int nRefType)
       if ( bOk  &&  dCutLen > EPS_SMALL  &&  dLen - dCutLen > EPS_SMALL)
          bIsInside = true ;
    }
-  // se il punto di taglio è interno, devo realmente tagliare
+  // se il punto di taglio è interno, devo realmente tagliare
    int nNewId = GDB_ID_NULL ;
    if ( bIsInside) {
      // copio la curva
@@ -1243,7 +1243,7 @@ ExeSplitCurveAtParam( int nId, double dParam)
       if ( bOk  &&  dCutLen > EPS_SMALL  &&  dLen - dCutLen > EPS_SMALL)
          bIsInside = true ;
    }
-  // se il punto di taglio è interno, devo realmente tagliare
+  // se il punto di taglio è interno, devo realmente tagliare
    int nNewId = GDB_ID_NULL ;
    if ( bIsInside) {
      // copio la curva
@@ -1465,7 +1465,7 @@ ExeGetCurveLinearConvexHullXY( int nId, double dLinTol, int nRefType)
                     " -- Id=" + ToString( nNewId) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
    }
-  // restituisco l'identificativo della nuova entità
+  // restituisco l'identificativo della nuova entità
    return nNewId ;
 }
 
@@ -1562,7 +1562,7 @@ MyModifyArcRadiusEx( IGeomDB* pGeomDB, int nId, double dRad)
   // se angolo al centro maggiore o uguale ad un giro o estremi coincidenti, conservo il centro
    if ( abs( pArc->GetAngCenter()) >= ANG_FULL - EPS_ANG_ZERO  ||  dPlaneDist < 2 * EPS_SMALL)
       return MyModifyArcRadius( pGeomDB, nId, dRad) ;
-  // mantengo i punti estremi (pertanto il nuovo raggio non può essere inferiore a metà della loro distanza nel piano)
+  // mantengo i punti estremi (pertanto il nuovo raggio non può essere inferiore a metà della loro distanza nel piano)
    if ( dRad < dPlaneDist / 2 - EPS_ZERO)
       return false ;
   // creo arco con gli stessi estremi, con identica normale e con nuovo raggio
@@ -1765,7 +1765,7 @@ ExeAddCurveCompoCurve( int nId, int nAddCrvId, bool bEraseOrig, bool bEndVsStart
                     " -- Ok=" + ToString( bOk) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
    }
-  // restituisco l'identificativo della nuova entità
+  // restituisco l'identificativo della nuova entità
    return bOk ;
 }
 
@@ -1979,7 +1979,7 @@ ExeGetCurveCompoJointCount( int nId)
    ICurveComposite* pCompo = GetCurveComposite( pGeomDB->GetGeoObj( nId)) ;
    if ( pCompo == nullptr)
       return 0 ;
-  // calcolo il numero di giunzioni (se chiusa è uguale al numero delle curve altrimenti -1)
+  // calcolo il numero di giunzioni (se chiusa è uguale al numero delle curve altrimenti -1)
    if ( pCompo->IsClosed())
       return pCompo->GetCurveCount() ;
    else
@@ -2183,6 +2183,52 @@ ExeRemoveCurveCompoUndercutOnY( int nId, double dLinTol)
    return bOk ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeCurveCompoSetTempProp( int nId, int nCrv, int nProp, int nPropInd) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la curva composita
+   ICurveComposite* pCompo = GetCurveComposite( pGeomDB->GetGeoObj( nId)) ;
+   bool bOk = ( pCompo != nullptr) ;
+  // imposto il valore
+   bOk = bOk && pCompo->SetCurveTempProp( nCrv, nProp, nPropInd) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveCompoSetTempProp(" + ToString( nId) + "," +
+                                                  ToString( nCrv) + "," +
+                                                  ToString( nProp) + ")" +
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveCompoSetTempParam( int nId, int nCrv, double dParam, int nParamInd) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la curva composita
+   ICurveComposite* pCompo = GetCurveComposite( pGeomDB->GetGeoObj( nId)) ;
+   bool bOk = ( pCompo != nullptr) ;
+  // imposto il valore
+   bOk = bOk && pCompo->SetCurveTempParam( nCrv, dParam, nParamInd) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveCompoSetTempParam(" + ToString( nId) + "," +
+                                                   ToString( nCrv) + "," +
+                                                   ToString( dParam) + ")" +
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   return bOk ;
+}
+
 //-------------------------------------------------------------------------------
 static bool
 MyChainCurvesInGroup( int nGroupId, const Point3d& ptNear, bool bAllowInvert, int nRefType)
@@ -2384,7 +2430,7 @@ MyProjectCurveOnSurfTmExt( int nCurveId, int nSurfTmId, int nGuideId, int nDestG
    Frame3d frStm ;
    if ( ! pGeomDB->GetGlobFrame( nSurfTmId, frStm))
       return false ;
-   // recupero l'entità guida (punto, curva o superficie) e il suo riferimento
+   // recupero l'entità guida (punto, curva o superficie) e il suo riferimento
    const IGeoPoint3d* pGdePnt = nullptr ;
    const ICurve* pGdeCrv = nullptr ;
    const ISurfTriMesh* pGdeStm = nullptr ;
@@ -2409,7 +2455,7 @@ MyProjectCurveOnSurfTmExt( int nCurveId, int nSurfTmId, int nGuideId, int nDestG
    CurveLocal CrvLoc( pCrv, frCrv, frStm) ;
    if ( CrvLoc.Get() == nullptr)
       return false ;
-  // eseguo l'opportuna proiezione dopo aver portato l'entità guida nel riferimento della superficie
+  // eseguo l'opportuna proiezione dopo aver portato l'entità guida nel riferimento della superficie
    PNT5AXVECTOR vPt5ax ;
    if ( pGdePnt != nullptr) {
       PtrOwner<IGeoPoint3d> pGdeLoc( pGdePnt->Clone()) ;
@@ -2608,7 +2654,7 @@ MyProjectCurveOnSurfBzExt( int nCurveId, int nSurfBzId, int nGuideId, int nDestG
    Frame3d frSbz ;
    if ( ! pGeomDB->GetGlobFrame( nSurfBzId, frSbz))
       return false ;
-   // recupero l'entità guida (punto, curva o superficie) e il suo riferimento
+   // recupero l'entità guida (punto, curva o superficie) e il suo riferimento
    const IGeoPoint3d* pGdePnt = nullptr ;
    const ICurve* pGdeCrv = nullptr ;
    const ISurfTriMesh* pGdeStm = nullptr ;
@@ -2633,7 +2679,7 @@ MyProjectCurveOnSurfBzExt( int nCurveId, int nSurfBzId, int nGuideId, int nDestG
    CurveLocal CrvLoc( pCrv, frCrv, frSbz) ;
    if ( CrvLoc.Get() == nullptr)
       return false ;
-   // eseguo l'opportuna proiezione dopo aver portato l'entità guida nel riferimento della superficie
+   // eseguo l'opportuna proiezione dopo aver portato l'entità guida nel riferimento della superficie
    PNT5AXVECTOR vPt5ax ;
    if ( pGdePnt != nullptr) {
       PtrOwner<IGeoPoint3d> pGdeLoc( pGdePnt->Clone()) ;
@@ -2717,17 +2763,17 @@ ExeProjectCurveOnSurfBzExt( int nCurveId, int nSurfBzId, int nGuideId, int nDest
 
 //----------------------------------------------------------------------------
 int
-ExeCurveGetVoronoi( int nId, int nDestGrpId, int nBound, int* pnCount) 
+ExeCurveGetVoronoi( const INTVECTOR& vIds, int nDestGrpId, int nBound, int* pnCount) 
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
    VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
-  // recupero la curva
-   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-   if ( pCrv == nullptr)
-      return GDB_ID_NULL ;
-  // recupero il riferimento della curva
+
+   if ( vIds.empty())
+      return false ;
+
+  // recupero il riferimento della prima curva che sarà utilizzato da Voronoi
    Frame3d frCrv ;
-   if ( ! pGeomDB->GetGlobFrame( nId, frCrv))
+   if ( ! pGeomDB->GetGlobFrame( vIds[0], frCrv))
       return GDB_ID_NULL ;
   // recupero il riferimento di destinazione
    Frame3d frDest ;
@@ -2736,7 +2782,32 @@ ExeCurveGetVoronoi( int nId, int nDestGrpId, int nBound, int* pnCount)
 
   // Calcolo diagramma di Voronoi
    ICURVEPOVECTOR vCrv ;
-   CalcCurveVoronoiDiagram( *pCrv, vCrv, nBound) ;
+   if ( int( vIds.size()) == 1) {
+     // recupero la curva
+      const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( vIds[0])) ;
+      if ( pCrv == nullptr)
+         return GDB_ID_NULL ;
+     // calcolo
+      CalcCurveVoronoiDiagram( *pCrv, vCrv, nBound) ;  
+   }     
+   else {
+     // recupero le curve e le porto in locale al frame della prima curva
+      CICURVEPVECTOR vOrigCrvs ;
+      for ( int i = 0 ; i < int( vIds.size()) ; i ++) {         
+         CurveLocal CrvLoc( pGeomDB, vIds[i], frCrv) ;
+         if ( CrvLoc.Get() == nullptr) {
+            for ( auto pCrv : vOrigCrvs)
+               delete( pCrv) ;
+            return GDB_ID_NULL ;
+         }            
+         vOrigCrvs.emplace_back( CrvLoc->Clone()) ;
+      }
+     // calcolo
+      CalcCurvesVoronoiDiagram( vOrigCrvs, vCrv, nBound) ;
+     // libero la memoria
+      for ( auto pCrv : vOrigCrvs)
+         delete( pCrv) ;
+   }     
 
   // inserisco i risultati nel DB geometrico
    int nFirstId = GDB_ID_NULL ;
@@ -2753,7 +2824,7 @@ ExeCurveGetVoronoi( int nId, int nDestGrpId, int nBound, int* pnCount)
    ExeSetModified() ;
 
    if ( IsCmdLog()) {
-      string sLua = "EgtCurveGetVoronoi(" + ToString( nId) + "," +
+      string sLua = "EgtCurveGetVoronoi(" + ToString( vIds[0]) + "," +
                                             ToString( nDestGrpId) + ")" +
                     " FirstId=" + ToString( nFirstId) + " nCurveCount=" + ToString( nCount) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
@@ -2767,26 +2838,51 @@ ExeCurveGetVoronoi( int nId, int nDestGrpId, int nBound, int* pnCount)
 
 //----------------------------------------------------------------------------
 int
-ExeCurveGetMedialAxis( int nId, int nDestGrpId, int nSide, int* pnCount) 
+ExeCurveGetMedialAxis( const INTVECTOR& vIds, int nDestGrpId, int nSide, int* pnCount) 
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
    VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
-  // recupero la curva
-   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nId)) ;
-   if ( pCrv == nullptr)
-      return GDB_ID_NULL ;
-  // recupero il riferimento della curva
+
+   if ( vIds.empty())
+      return false ;
+
+  // recupero il riferimento della prima curva che sarà utilizzato da Voronoi
    Frame3d frCrv ;
-   if ( ! pGeomDB->GetGlobFrame( nId, frCrv))
+   if ( ! pGeomDB->GetGlobFrame( vIds[0], frCrv))
       return GDB_ID_NULL ;
   // recupero il riferimento di destinazione
    Frame3d frDest ;
    if ( ! pGeomDB->GetGroupGlobFrame( nDestGrpId, frDest))
-      return GDB_ID_NULL ;
+      return GDB_ID_NULL ;    
 
   // Calcolo il Medial Axis
    ICURVEPOVECTOR vCrv ;
-   CalcCurveMedialAxis( *pCrv, vCrv, nSide) ;
+   if ( int( vIds.size()) == 1) {
+     // recupero la curva
+      const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( vIds[0])) ;
+      if ( pCrv == nullptr)
+         return GDB_ID_NULL ;
+     // calcolo
+      CalcCurveMedialAxis( *pCrv, vCrv, nSide) ;   
+   }     
+   else {
+     // recupero le curve e le porto in locale al frame della prima curva
+      CICURVEPVECTOR vOrigCrvs ;
+      for ( int i = 0 ; i < int( vIds.size()) ; i ++) {         
+         CurveLocal CrvLoc( pGeomDB, vIds[i], frCrv) ;
+         if ( CrvLoc.Get() == nullptr) {
+            for ( auto pCrv : vOrigCrvs)
+               delete( pCrv) ;
+            return GDB_ID_NULL ;
+         }            
+         vOrigCrvs.emplace_back( CrvLoc->Clone()) ;
+      }
+     // calcolo
+      CalcCurvesMedialAxis( vOrigCrvs, vCrv, nSide) ;
+     // libero la memoria
+      for ( auto pCrv : vOrigCrvs)
+         delete( pCrv) ;
+   }
 
   // inserisco i risultati nel DB geometrico
    int nFirstId = GDB_ID_NULL ;
@@ -2803,7 +2899,7 @@ ExeCurveGetMedialAxis( int nId, int nDestGrpId, int nSide, int* pnCount)
    ExeSetModified() ;
 
    if ( IsCmdLog()) {
-      string sLua = "EgtCurveMedialAxisAdv(" + ToString( nId) + "," +
+      string sLua = "EgtCurveMedialAxisAdv(" + ToString( vIds[0]) + "," +
                                                ToString( nSide) + "," +
                                                ToString( nDestGrpId) + ")" +
                     " FirstId=" + ToString( nFirstId) + " nCurveCount=" + ToString( nCount) ;
@@ -2865,3 +2961,265 @@ ExeCurveGetFatCurve( int nId, int nDestGrpId, double dRad, bool bSquareEnds, boo
       *pnCount = nCount ;
    return nFirstId ;
 }
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveBezierIncreaseDegree( int nCrvId) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   // recupero la curva
+   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nCrvId)) ;
+   if ( pCrv == nullptr)
+      return false ;
+   //// recupero il riferimento della curva
+   //Frame3d frCrv ;
+   //if ( ! pGeomDB->GetGlobFrame( nCrvId, frCrv))
+   //   return GDB_ID_NULL ;
+
+   if( pCrv->GetType() != CRV_BEZIER)
+      return false ;
+
+   // aumento il grado della curva
+   bool bOk = true ;
+   PtrOwner<ICurveBezier> pCrvBezierNew ( BezierIncreaseDegree( GetCurveBezier( pCrv))) ;
+   Vector3d vtExtr ;
+   if ( bOk && pCrv->GetExtrusion( vtExtr))
+      pCrvBezierNew->SetExtrusion( vtExtr) ;
+   double dThick = 0 ;
+   if ( bOk  &&  pCrv->GetThickness( dThick))
+      pCrvBezierNew->SetThickness(dThick) ;
+   // sostituisco la vecchia curva con la nuova
+   bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCrvBezierNew)) ;
+   ExeSetModified() ;
+
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveBezierIncreaseDegree(" + ToString( nCrvId) + ")"
+                     " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+
+   return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveBezierDecreaseDegree( int nCrvId, double dTol) 
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   // recupero la curva
+   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nCrvId)) ;
+   if ( pCrv == nullptr)
+      return false ;
+   //// recupero il riferimento della curva
+   //Frame3d frCrv ;
+   //if ( ! pGeomDB->GetGlobFrame( nCrvId, frCrv))
+   //   return GDB_ID_NULL ;
+
+   if( pCrv->GetType() != CRV_BEZIER)
+      return false ;
+
+   // riduco il grado della curva
+   bool bOk = true ;
+   PtrOwner<ICurveBezier> pCrvBezierNew ( BezierDecreaseDegree( GetCurveBezier( pCrv), dTol)) ;
+   bOk = bOk  &&  ! IsNull( pCrvBezierNew)  &&  pCrvBezierNew->IsValid() ;
+   Vector3d vtExtr ;
+   if ( bOk && pCrv->GetExtrusion( vtExtr))
+      pCrvBezierNew->SetExtrusion( vtExtr) ;
+   double dThick = 0 ;
+   if ( bOk  &&  pCrv->GetThickness( dThick))
+      pCrvBezierNew->SetThickness(dThick) ;
+   // sostituisco la vecchia curva con la nuova
+   bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCrvBezierNew)) ;
+   ExeSetModified() ;
+
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveBezierDecreaseDegree(" + ToString( nCrvId) + ")"
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+
+   return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveBezierApproxToNonRat( int nCrvId, double dTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   // recupero la curva
+   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nCrvId)) ;
+   if ( pCrv == nullptr)
+      return false ;
+   //// recupero il riferimento della curva
+   //Frame3d frCrv ;
+   //if ( ! pGeomDB->GetGlobFrame( nCrvId, frCrv))
+   //   return GDB_ID_NULL ;
+
+   // controllo che il tipo sia giusto
+   if( pCrv->GetType() != CRV_BEZIER) {
+      if( pCrv->GetType() != CRV_COMPO)
+         return false ;
+      else {
+         const ICurveComposite* pCC = GetCurveComposite( pCrv) ;
+         for ( int i = 0 ; i < pCC->GetCurveCount() ; ++i) {
+            const ICurve* pSubCrv = pCC->GetCurve( i) ;
+            if( pSubCrv->GetType() != CRV_BEZIER)
+               return false ;
+         }
+      }
+   }
+   bool bOk = true ;
+   if( pCrv->GetType() == CRV_BEZIER) {
+      const ICurveBezier* pCrvBez = GetCurveBezier( pCrv) ;
+      if( ! pCrvBez->IsRational())
+         return true ;
+
+      // approssimo la curva con una corrispettiva non razionale
+      PtrOwner<ICurveBezier> pCrvBezierNew ( pCrvBez->Clone()) ;
+      bOk = bOk  &&  pCrvBezierNew->MakeNonRational( dTol) ;
+      PtrOwner<ICurve> pCrvNew ;
+      if ( ! bOk) {
+         pCrvNew.Set( ApproxBezierWithCubics( pCrvBezierNew, dTol)) ;
+         bOk = bOk  &&  ! IsNull( pCrvNew)  &&  pCrvNew->IsValid() ;
+      }
+      else
+         pCrvNew.Set( Release( pCrvBezierNew)) ;
+      bOk = bOk  &&  ! IsNull( pCrvNew)  &&  pCrvNew->IsValid() ;
+      Vector3d vtExtr ;
+      if ( bOk && pCrv->GetExtrusion( vtExtr))
+         pCrvNew->SetExtrusion( vtExtr) ;
+      double dThick = 0 ;
+      if ( bOk  &&  pCrv->GetThickness( dThick))
+         pCrvNew->SetThickness(dThick) ;
+      // sostituisco la vecchia curva con la nuova
+      bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCrvNew)) ;
+   }
+   else {
+      const ICurveComposite* pCC = GetCurveComposite( pCrv) ;
+      PtrOwner<ICurveComposite> pCCNew( CreateCurveComposite()) ;
+      for( int i = 0 ; i < pCC->GetCurveCount() ; ++i) {
+         const ICurveBezier* pCrvBez = GetCurveBezier( pCC->GetCurve( i)) ;
+         if( ! pCrvBez->IsRational()) {
+            continue ;
+         }
+
+         // approssimo la curva con una corrispettiva non razionale
+         PtrOwner<ICurveBezier> pCrvBezierNew ( pCrvBez->Clone()) ;
+         bOk = bOk  &&  pCrvBezierNew->MakeNonRational( dTol) ;
+         PtrOwner<ICurve> pCrvNew ;
+         if ( ! bOk) {
+            pCrvNew.Set( ApproxBezierWithCubics( pCrvBezierNew, dTol)) ;
+            bOk = bOk  &&  ! IsNull( pCrvNew)  &&  pCrvNew->IsValid() ;
+         }
+         else
+            pCrvNew.Set( Release( pCrvBezierNew)) ;
+         bOk = bOk  &&  ! IsNull( pCrvNew)  &&  pCrvNew->IsValid() ;
+         Vector3d vtExtr ;
+         if ( bOk && pCrv->GetExtrusion( vtExtr))
+            pCrvNew->SetExtrusion( vtExtr) ;
+         double dThick = 0 ;
+         if ( bOk  &&  pCrv->GetThickness( dThick))
+            pCrvNew->SetThickness(dThick) ;
+         if( bOk)
+            pCCNew->AddCurve( Release(pCrvNew)) ;
+         else
+            break ;
+      }
+      // sostituisco la vecchia curva con la nuova
+      bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCCNew)) ;
+   }
+   ExeSetModified() ;
+
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveBezierApproxToNonRat(" + ToString( nCrvId) + ", "
+                                                    + ToString( dTol) + ")"
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+
+   return bOk ;
+}
+
+//----------------------------------------------------------------------------
+bool
+ExeCurveBezierApproxWithCubicBeziers( int nCrvId, double dTol)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   // recupero la curva
+   const ICurve* pCrv = GetCurve( pGeomDB->GetGeoObj( nCrvId)) ;
+   if ( pCrv == nullptr)
+      return false ;
+
+   // controllo che il tipo sia giusto
+   if( pCrv->GetType() != CRV_BEZIER) {
+      if( pCrv->GetType() != CRV_COMPO)
+         return false ;
+      else {
+         const ICurveComposite* pCC = GetCurveComposite( pCrv) ;
+         for ( int i = 0 ; i < pCC->GetCurveCount() ; ++i) {
+            const ICurve* pSubCrv = pCC->GetCurve( i) ;
+            if( pSubCrv->GetType() != CRV_BEZIER)
+               return false ;
+         }
+      }
+   }
+
+   // converto in bezier cubiche
+   bool bOk = true ;
+   if( pCrv->GetType() == CRV_BEZIER) {
+      const ICurveBezier* pCrvBez = GetCurveBezier( pCrv) ;
+
+      // approssimo la curva con una serie di bezier
+      PtrOwner<ICurve> pCrvBezierNew ( ApproxBezierWithCubics( pCrvBez, dTol)) ;
+      bOk = bOk  &&  ! IsNull( pCrvBezierNew)  &&  pCrvBezierNew->IsValid() ;
+      Vector3d vtExtr ;
+      if ( bOk && pCrv->GetExtrusion( vtExtr))
+         pCrvBezierNew->SetExtrusion( vtExtr) ;
+      double dThick = 0 ;
+      if ( bOk  &&  pCrv->GetThickness( dThick))
+         pCrvBezierNew->SetThickness(dThick) ;
+      // sostituisco la vecchia curva con la nuova
+      bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCrvBezierNew)) ;
+   }
+   else {
+      const ICurveComposite* pCC = GetCurveComposite( pCrv) ;
+      PtrOwner<ICurveComposite> pCCNew( CreateCurveComposite()) ;
+      for( int i = 0 ; i < pCC->GetCurveCount() ; ++i) {
+         const ICurveBezier* pCrvBez = GetCurveBezier( pCC->GetCurve( i)) ;
+         if( ! pCrvBez->IsRational()) {
+            continue ;
+         }
+
+         // approssimo la curva con una serie di bezier
+         PtrOwner<ICurve> pCrvBezierNew ( ApproxBezierWithCubics( pCrvBez, dTol)) ;
+         bOk = bOk  &&  ! IsNull( pCrvBezierNew)  &&  pCrvBezierNew->IsValid() ;
+         Vector3d vtExtr ;
+         if ( bOk && pCrv->GetExtrusion( vtExtr))
+            pCrvBezierNew->SetExtrusion( vtExtr) ;
+         double dThick = 0 ;
+         if ( bOk  &&  pCrv->GetThickness( dThick))
+            pCrvBezierNew->SetThickness(dThick) ;
+         if( bOk)
+            pCCNew->AddCurve( Release(pCrvBezierNew)) ;
+         else
+            break ;
+      }
+      // sostituisco la vecchia curva con la nuova
+      bOk = bOk && pGeomDB->ReplaceGeoObj( nCrvId, Release( pCCNew)) ;
+   }
+
+   ExeSetModified() ;
+
+   if ( IsCmdLog()) {
+      string sLua = "EgtCurveBezierApproxWithCubicBeziers(" + ToString( nCrvId) + ", "
+                                                            + ToString( dTol) + ")"
+                     " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+
+   return bOk ;
+}

EXE_GdbModifySurf.cpp

@@ -102,6 +102,33 @@ MyExplodeSurfTriMesh( int nId, int& nCount)
      // restituisco risultati
       return nFirstId ;
    }
+  // recupero il numero di gusci
+   int nShells = pStm->GetShellCount() ;
+  // se ci sono più gusci, separo questi
+   if ( nShells > 1) {
+      int nFirstId = GDB_ID_NULL ;
+      nCount = 0 ;
+      for ( int i = 0 ; i < nShells ; ++ i) {
+         ISurfTriMesh* pFac = pStm->CloneShell( i) ;
+         if ( pFac == nullptr)
+            continue ;
+        // inserisco la superficie nello stesso gruppo e nello stesso posto del GeomDB
+         int nNewId = pGeomDB->InsertGeoObj( GDB_ID_NULL, nId, GDB_BEFORE, pFac) ;
+         if ( nNewId == GDB_ID_NULL)
+            return GDB_ID_NULL ;
+        // copio gli attributi
+        if ( ! pGeomDB->CopyAttributes( nId, nNewId))
+            return GDB_ID_NULL ;
+        // aggiorno contatori
+         if ( nFirstId == GDB_ID_NULL)
+            nFirstId = nNewId ;
+         ++ nCount ;
+      }
+     // elimino la superficie originale
+      pGeomDB->Erase( nId) ;
+     // restituisco risultati
+      return nFirstId ;
+   }
   // recupero il numero di facce
    int nFacets = pStm->GetFacetCount() ;
   // se ci sono più facce, separo queste
@@ -297,7 +324,7 @@ ExeSurfFrSubtract( int nId1, int nId2)
   // eseguo la sottrazione della seconda superficie dalla prima
    bOk = bOk && pSfr1->Subtract( *pSfr2L) ;
   // se il risultato è vuoto, cancello la FlatRegion
-   if ( bOk  && ! pSfr1->IsValid())
+   if ( bOk  &&  ! pSfr1->IsValid())
       pGeomDB->Erase( nId1) ;
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
@@ -329,7 +356,7 @@ ExeSurfFrIntersect( int nId1, int nId2)
   // eseguo l'intersezione tra le due superfici
    bOk = bOk && pSfr1->Intersect( *pSfr2L) ;
   // se il risultato è vuoto, cancello la FlatRegion
-   if ( bOk  && ! pSfr1->IsValid())
+   if ( bOk  &&  ! pSfr1->IsValid())
       pGeomDB->Erase( nId1) ;
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
@@ -354,7 +381,7 @@ ExeSurfFrOffset( int nId, double dDist, int nType)
   // eseguo l'offset
    bOk = bOk && pSfr->Offset( dDist, nType) ;
   // se il risultato è vuoto, cancello la FlatRegion
-   if ( bOk  && ! pSfr->IsValid())
+   if ( bOk  &&  ! pSfr->IsValid())
       pGeomDB->Erase( nId) ;
    ExeSetModified() ;
   // se richiesto, salvo il comando Lua equivalente
@@ -373,7 +400,7 @@ bool
 ExeSurfFrOffsetAdv( int nId, double dDist, int nType, int& nNewId)
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
-   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   VERIFY_GEOMDB( pGeomDB, false)
   // recupero la superficie FlatRegion
    ISurfFlatRegion* pSfr = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId)) ;
    if ( pSfr == nullptr)
@@ -394,6 +421,32 @@ ExeSurfFrOffsetAdv( int nId, double dDist, int nType, int& nNewId)
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+ExeSurfFrEraseChunk( int nId, int nChunk)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, false)
+  // recupero la superficie FlatRegion
+   ISurfFlatRegion* pSfr = GetSurfFlatRegion( pGeomDB->GetGeoObj( nId)) ;
+   if ( pSfr == nullptr)
+      return false ;      
+  // elimino il chunk indicato
+   bool bOk = pSfr->EraseChunk( nChunk) ;
+  // se il risultato è vuoto, cancello la FlatRegion
+   if ( bOk  &&  ! pSfr->IsValid())
+      pGeomDB->Erase( nId) ;
+   ExeSetModified() ;
+  // se richiesto, salvo il comando Lua equivalente
+   if ( IsCmdLog()) {
+      string sLua = "EgtSurfFrEraseChunk(" + ToString( nId) + "," +
+                                             ToString( nChunk) + ")" +
+                    " -- Ok=" + ToString( bOk) ;
+      LOG_INFO( GetCmdLogger(), sLua.c_str()) ;
+   }
+   return bOk ;
+}
+
 //----------------------------------------------------------------------------
 bool
 ExeSurfFrMoveSimpleNoCollision( int nId1, int nId2, const Vector3d& vtDir, double& dLen, int nRefType)
@@ -1207,7 +1260,7 @@ ExeSurfBzTrim( int nId, int nCutterId)
    ExeSetModified() ;
    // se richiesto, salvo il comando Lua equivalente
    if ( IsCmdLog()) {
-      string sLua = "EgtSurfTmCut(" + ToString( nId) + "," +
+      string sLua = "EgtSurfBzCut(" + ToString( nId) + "," +
          ToString( nCutterId) + "," +
          " -- Ok=" + ToString( bOk) ;
       LOG_INFO( GetCmdLogger(), sLua.c_str()) ;

EXE_GdbObjAttribs.cpp

@@ -232,12 +232,12 @@ ExeGetCalcStatus( int nId, int* pnStat)
 
 //-----------------------------------------------------------------------------
 bool
-ExeSetMark( int nId)
+ExeSetMark( int nId, int nMark)
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
    VERIFY_GEOMDB( pGeomDB, false)
   // imposto l'evidenziazione
-   bool bOk = pGeomDB->SetMark( nId) ;
+   bool bOk = pGeomDB->SetMark( nId, nMark) ;
   // non produce modifica perchè mark ignorato in salvataggio  
    return bOk ;
 }

EXE_MachMgr.cpp

@@ -21,9 +21,11 @@
 #include "/EgtDev/Include/EXeExecutor.h"
 #include "/EgtDev/Include/EXeConst.h"
 #include "/EgtDev/Include/EGkStringUtils3d.h"
+#include "/EgtDev/Include/EMkToolConst.h"
 #include "/EgtDev/Include/EMkOperationConst.h"
 #include "/EgtDev/Include/EMkSimuGenConst.h"
 #include "/EgtDev/Include/EGnFileUtils.h"
+#include "/EgtDev/Include/EGnEgtUUID.h"
 #include "/EgtDev/Include/EgtStringConverter.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 
@@ -1472,6 +1474,21 @@ ExeTdbGetCurrToolThLength( double& dThLen)
    return pMachMgr->TdbGetCurrToolThLength( dThLen) ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeTdbCurrToolIsStandardDraw( bool& bStandard)
+{
+   IMachMgr* pMachMgr = GetCurrMachMgr() ;
+   VERIFY_MACHMGR( pMachMgr, false)
+  // recupero il nome del disegno dell'utensile
+   string sDraw ;
+   if ( ! pMachMgr->TdbGetCurrToolParam( TPA_DRAW, sDraw))
+      return false ;
+  // verifico il tipo
+   bStandard = IsUUID( GetFileTitleEgt( sDraw)) ;
+   return true ;
+}
+
 //-----------------------------------------------------------------------------
 int
 ExeTdbCurrToolDraw( int nGenCtx, int nToolCtx)
@@ -2634,12 +2651,22 @@ ExeRemovePreviewMachiningTool( void)
 
 //-----------------------------------------------------------------------------
 int
-ExePreviewMachiningTool( int nEntId, int nFlag)
+ExeGetPreviewMachiningToolStepCount( void)
 {
    IMachMgr* pMachMgr = GetCurrMachMgr() ;
-   VERIFY_MACHMGR( pMachMgr, false)
+   VERIFY_MACHMGR( pMachMgr, -1)
+  // restituisce il numero di passi per anteprima utensile presenti nella lavorazione
+   return pMachMgr->GetPreviewMachiningToolStepCount() ;
+}
+
+//-----------------------------------------------------------------------------
+int
+ExePreviewMachiningTool( int nEntId, int nStep)
+{
+   IMachMgr* pMachMgr = GetCurrMachMgr() ;
+   VERIFY_MACHMGR( pMachMgr, GDB_ID_NULL)
   // visualizzazione anteprima utensile su lavorazione
-   return pMachMgr->PreviewMachiningTool( nEntId, nFlag) ;
+   return pMachMgr->PreviewMachiningTool( nEntId, nStep) ;
 }
 
 //-----------------------------------------------------------------------------

EXE_Scene.cpp

@@ -109,12 +109,12 @@ ExeSetLineAttribs( int nWidth)
 
 //-----------------------------------------------------------------------------
 bool
-ExeSetMarkAttribs( Color MarkCol)
+ExeSetMarkAttribs( Color MarkCol, Color Mark2Col)
 {
    IEGrScene* pScene = GetCurrScene() ;
    VERIFY_SCENE( pScene, false)
   // imposto il colore del Mark
-   return pScene->SetMark( MarkCol) ;
+   return ( pScene->SetMark( MarkCol)  &&  pScene->SetMark2( Mark2Col)) ;
 }
 
 //-----------------------------------------------------------------------------

LUA_GdbCreateCurve.cpp

@@ -1095,14 +1095,15 @@ LuaCreateCirclesAlongCurve( lua_State* L)
 static int
 LuaCreateCurveBezierForm( lua_State* L)
 {
-  // 2 parametri : ParentId, nCrvId
+  // 2 o 3 parametri : ParentId, nCrvId [, nDeg]
    int nParentId ;
    LuaCheckParam( L, 1, nParentId)
    int nCrvId ;
    LuaCheckParam( L, 2, nCrvId)
-
+   int nDeg = 3 ;
+   LuaGetParam( L, 3, nDeg) ;
   // creo la versione bezier della curva
-   int nId = ExeCreateCurveBezierForm( nParentId, nCrvId) ;
+   int nId = ExeCreateCurveBezierForm( nParentId, nCrvId, nDeg) ;
   // restituisco il risultato
    if ( nId != GDB_ID_NULL)
       LuaSetParam( L, nId) ;

LUA_GdbCreateSurf.cpp

@@ -977,6 +977,310 @@ LuaCreateBezierSphere( lua_State* L)
    return 2 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByFlatContour( lua_State* L)
+{
+   // 2 o 3 parametri : ParentId, CrvId [, dTol]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId ;
+   LuaCheckParam( L, 2, nCrvId)
+   double dLinTol = LIN_TOL_SRF ;
+   if ( lua_gettop( L) >= 3)
+      LuaCheckParam( L, 3, dLinTol) ;
+   LuaClearStack( L) ;
+   // creo Sbz piana e la trimmo con il contorno
+   int nId = ExeCreateSurfBzByFlatContour( nParentId, nCrvId, dLinTol) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByRegion( lua_State* L)
+{
+   // 2 o 3 parametri : ParentId, CrvIds [, dTol]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   INTVECTOR vCrvIds ;
+   LuaCheckParam( L, 2, vCrvIds)
+   double dLinTol = LIN_TOL_SRF ;
+   if ( lua_gettop( L) >= 3)
+   LuaCheckParam( L, 3, dLinTol) ;
+   LuaClearStack( L) ;
+   // creo una Sbz piana a cui aggiungo le curve come trim
+   int nId = ExeCreateSurfBzByRegion( nParentId, vCrvIds, dLinTol) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByExtrusion( lua_State* L)
+{
+   // 3 o 4 o 5 o 6  parametri : ParentId, CrvId, vtExtr [, bool bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId ;
+   LuaCheckParam( L, 2, nCrvId)
+   Vector3d vtExtr ;
+   LuaCheckParam( L, 3, vtExtr)
+   bool bCapEnds = false ;
+   int nPar = 4 ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   LuaGetParam( L, nPar, nRefType) ;
+   LuaClearStack( L) ;
+   // creo STM estrudendo uno o più percorsi, se piani si possono mettere i tappi
+   int nId = ExeCreateSurfBzByExtrusion( nParentId, nCrvId, vtExtr, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByRegionExtrusion( lua_State* L)
+{
+   // 3 o 4 o 5 o 6  parametri : ParentId, CrvIds, vtExtr [, bool bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   INTVECTOR vCrvIds ;
+   LuaCheckParam( L, 2, vCrvIds)
+   Vector3d vtExtr ;
+   LuaCheckParam( L, 3, vtExtr)
+   bool bCapEnds = false ;
+   int nPar = 4 ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   LuaGetParam( L, nPar, nRefType) ;
+   LuaClearStack( L) ;
+   // creo STM estrudendo uno o più percorsi, se piani si possono mettere i tappi
+   int nId = ExeCreateSurfBzByRegionExtrusion( nParentId, vCrvIds, vtExtr, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByScrewing( lua_State* L)
+{
+   // 6 o 7 o 8 o 9 parametri : ParentId, CrvId, ptAx, vtAx, dAngRotDeg, dMove [, bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId ;
+   LuaCheckParam( L, 2, nCrvId)
+   Point3d ptAx ;
+   LuaCheckParam( L, 3, ptAx)
+   Vector3d vtAx ;
+   LuaCheckParam( L, 4, vtAx)
+   double dAngRotDeg ;
+   LuaCheckParam( L, 5, dAngRotDeg)
+   double dMove ;
+   LuaCheckParam( L, 6, dMove)
+   int nPar = 7 ;
+   bool bCapEnds = false ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   if ( LuaGetParam( L, nPar, nRefType))
+      ++ nPar ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzByScrewing( nParentId, nCrvId, ptAx, vtAx, dAngRotDeg, dMove, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByRevolve( lua_State* L)
+{
+   // 4 o 5 o 6 o 7 parametri : ParentId, CrvId, ptAx, vtAx [, bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId ;
+   LuaCheckParam( L, 2, nCrvId)
+   Point3d ptAx ;
+   LuaCheckParam( L, 3, ptAx)
+   Vector3d vtAx ;
+   LuaCheckParam( L, 4, vtAx)
+   int nPar = 5 ;
+   bool bCapEnds = false ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   if ( LuaGetParam( L, nPar, nRefType))
+      ++ nPar ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzByRevolve( nParentId, nCrvId, ptAx, vtAx, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzByPointCurve( lua_State* L)
+{
+   // 4 o 5 o 6 o 7 parametri : ParentId, CrvId, ptAx, vtAx [, bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId ;
+   LuaCheckParam( L, 2, nCrvId)
+   Point3d ptTop ;
+   LuaCheckParam( L, 3, ptTop)
+   int nPar = 4 ;
+   bool bCapEnds = false ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   if ( LuaGetParam( L, nPar, nRefType))
+      ++ nPar ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzByPointCurve( nParentId, nCrvId, ptTop, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzRuled( lua_State* L)
+{
+   // 4 o 5 o 6 parametri : ParentId, CrvId1, CrvId2, nRuledType [, bCapEnds] [, dTol]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nCrvId1 ;
+   LuaCheckParam( L, 2, nCrvId1)
+   int nCrvId2 ;
+   LuaCheckParam( L, 3, nCrvId2)
+   int nRuledType ;
+   LuaCheckParam( L, 4, nRuledType)
+   bool bCapEnds = false ;
+   int nPar = 5 ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   LuaGetParam( L, nPar, dLinTol) ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzRuled( nParentId, nCrvId1, nCrvId2, nRuledType, bCapEnds, dLinTol) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzSkinned( lua_State* L)
+{
+   // 2 o 3 o 4 parametri : ParentId, vCrvIds [, bCapEnds] [, dTol]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   INTVECTOR vCrvIds ;
+   LuaCheckParam( L, 2, vCrvIds)
+   bool bCapEnds = false ;
+   int nPar = 3 ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   LuaGetParam( L, nPar, dLinTol) ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzSkinned( nParentId, vCrvIds, bCapEnds, dLinTol) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCreateSurfBzSwept( lua_State* L)
+{
+   // 3 o 4 o 5 o 6 o 7  parametri : ParentId, nSectCrvId, nGuideCrvId [, vtAx] [, bCapEnds] [, dTol] [, nRefType]
+   int nParentId ;
+   LuaCheckParam( L, 1, nParentId)
+   int nSectId ;
+   LuaCheckParam( L, 2, nSectId)
+   int nGuideId ;
+   LuaCheckParam( L, 3, nGuideId)
+   Vector3d vtAx = V_NULL ;
+   int nPar = 4 ;
+   if ( LuaGetParam( L, nPar, vtAx))
+      ++ nPar ;
+   bool bCapEnds = false ;
+   if ( LuaGetParam( L, nPar, bCapEnds))
+      ++ nPar ;
+   double dLinTol = LIN_TOL_SRF ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   int nRefType = RTY_DEFAULT ;
+   if ( LuaGetParam( L, nPar, dLinTol))
+      ++ nPar ;
+   LuaClearStack( L) ;
+   // creo STM riempiendo un contorno piano
+   int nId = ExeCreateSurfBzSwept( nParentId, nSectId, nGuideId, vtAx, bCapEnds, dLinTol, nRefType) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL)
+      LuaSetParam( L, nId) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallGdbCreateSurf( LuaMgr& luaMgr)
@@ -1015,6 +1319,16 @@ LuaInstallGdbCreateSurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBezierRat", LuaCreateSurfBezierRational) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBezierLeaves", LuaCreateSurfBezierLeaves) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBezierTria2D", LuaCreateSurfBezierTria2D) ;
-   bOk = bOk && luaMgr.RegisterFunction( "EgtCreateBezierSphere", LuaCreateBezierSphere) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzSphere", LuaCreateBezierSphere) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByFlatContour", LuaCreateSurfBzByFlatContour) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByRegion", LuaCreateSurfBzByRegion) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByExtrusion", LuaCreateSurfBzByExtrusion) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByRegionExtrusion", LuaCreateSurfBzByRegionExtrusion) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByScrewing", LuaCreateSurfBzByScrewing) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByRevolve", LuaCreateSurfBzByRevolve) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzByPointCurve", LuaCreateSurfBzByPointCurve) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzRuled", LuaCreateSurfBzRuled) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzSkinned", LuaCreateSurfBzSkinned) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBzSwept", LuaCreateSurfBzSwept) ;
    return bOk ;
 }

LUA_GdbGetCurve.cpp

@@ -57,6 +57,25 @@ LuaCurveLength( lua_State* L)
    return 1 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaCurveLengthAtParam( lua_State* L)
+{
+  // 2 parametri : Id, dPar
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   double dPar ;
+   LuaCheckParam( L, 2, dPar) ;
+   LuaClearStack( L) ;
+  // recupero la lunghezza della curva
+   double dLen ;
+   if ( ExeCurveLengthAtParam( nId, dPar, &dLen))
+      LuaSetParam( L, dLen) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaCurveParamAtLength( lua_State* L)
@@ -142,7 +161,7 @@ LuaCurveIsACircle( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad una circonferenza
+  // verifico se curva � equivalente ad una circonferenza
    Point3d ptCen ;
    Vector3d vtN ;
    double dRad ;
@@ -166,7 +185,7 @@ LuaCurveIsARectangle( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad un rettangolo
+  // verifico se curva � equivalente ad un rettangolo
    Point3d ptP ;
    Vector3d vtL1 ;
    Vector3d vtL2 ;
@@ -188,7 +207,7 @@ LuaCurveIsATrapezoid( lua_State* L)
    double dToler = EPS_SMALL ;
    LuaGetParam( L, 2, dToler) ;
    LuaClearStack( L) ;
-  // verifico se curva è equivalente ad un trapezio
+  // verifico se curva � equivalente ad un trapezio
    Point3d ptP ;
    Vector3d vtB1 ;
    Vector3d vtL1 ;
@@ -531,6 +550,64 @@ LuaCurveCompoNormVersor( lua_State* L)
    return 1 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaCurveCompoGetTempProp( lua_State* L)
+{
+  // 1 parametro : Id
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   LuaClearStack( L) ;
+  // recupero l'angolo al centro della curva semplice indicizzata
+   INTVECTOR vProp ;
+   if ( ExeCurveCompoGetTempProp( nId, vProp, 0))
+      LuaSetParam( L, vProp) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//----------------------------------------------------------------------------
+static int
+LuaCurveCompoGetTempParam( lua_State* L)
+{
+  // 1 parametro : Id
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   LuaClearStack( L) ;
+  // recupero l'angolo al centro della curva semplice indicizzata
+   DBLVECTOR vParam ;
+   if ( ExeCurveCompoGetTempParam( nId, vParam, 0))
+      LuaSetParam( L, vParam) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
+//----------------------------------------------------------------------------
+static int
+LuaShowCurveBezierControlPoints( lua_State* L)
+{
+   // 2 parametri : nCrvId, nDestGrpId
+   int nCrvId ;
+   LuaCheckParam( L, 1, nCrvId)
+   int nDestGrpId ;
+   LuaCheckParam( L, 2, nDestGrpId)
+   LuaClearStack( L) ;
+   int nCount = 0 ;
+   int nId = ExeShowCurveBezierControlPoints( nCrvId, nDestGrpId, &nCount) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL) {
+      LuaSetParam( L, nId) ;
+      LuaSetParam( L, nCount) ;  
+   }
+   else {
+      LuaSetParam( L) ;
+      LuaSetParam( L) ;
+   }
+   return 2 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallGdbGetCurve( LuaMgr& luaMgr)
@@ -538,6 +615,7 @@ LuaInstallGdbGetCurve( LuaMgr& luaMgr)
    bool bOk = ( &luaMgr != nullptr) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveDomain", LuaCurveDomain) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveLength", LuaCurveLength) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveLengthAtParam", LuaCurveLengthAtParam) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveParamAtLength", LuaCurveParamAtLength) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveParamAtPoint", LuaCurveParamAtPoint) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveIsClosed", LuaCurveIsClosed) ;
@@ -562,5 +640,8 @@ LuaInstallGdbGetCurve( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoRadius", LuaCurveCompoRadius) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoAngCenter", LuaCurveCompoAngCenter) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoNormVersor", LuaCurveCompoNormVersor) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoGetTempProp", LuaCurveCompoGetTempProp) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoGetTempParam", LuaCurveCompoGetTempParam) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtShowCurveBezierControlPoints", LuaShowCurveBezierControlPoints) ;
    return bOk ;
 }

LUA_GdbGetSurf.cpp

@@ -121,6 +121,25 @@ LuaSurfFrChunkCount( lua_State* L)
    return 1 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaSurfFrChunkMaxOffset( lua_State* L)
+{
+   // 2 parametri : Id, nChunk
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+      int nChunk ;
+   LuaCheckParam( L, 2, nChunk)
+      LuaClearStack( L) ;
+   // recupero la sua area senza eventuali buchi
+   double dMaxOffset ;
+   if ( ExeSurfFrChunkMaxOffset( nId, nChunk, dMaxOffset))
+      LuaSetParam( L, dMaxOffset) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaSurfFrChunkSimpleClassify( lua_State* L)
@@ -331,6 +350,27 @@ LuaSurfTmGetNearestVertex( lua_State* L)
    return 2 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaSurfTmTriangleNormVersor( lua_State* L)
+{
+  // 2 o 3 parametri : nId, nTria [, nRefId]
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   int nTria ;
+   LuaCheckParam( L, 2, nTria)
+   int nRefId = nId ;
+   LuaGetParam( L, 3, nRefId) ;
+   LuaClearStack( L) ;
+  // recupero la normale del triangolo della superficie
+   Vector3d vtNorm ;
+   if ( ExeSurfTmTriangleNormVersor( nId, nTria, nRefId, vtNorm))
+      LuaSetParam( L, vtNorm) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaSurfTmFacetFromTria( lua_State* L)
@@ -808,6 +848,38 @@ LuaGetSurfTmSilhouette( lua_State* L)
    return 2 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaGetSurfTmParSilhouettes( lua_State* L)
+{
+  // 6 o 7 parametri : vIds, ptOn, vtN, vdDist, dToler, nDestGrpId [, nRefType]
+   INTVECTOR vIds ;
+   LuaCheckParam( L, 1, vIds)
+   Point3d ptOn ;
+   LuaCheckParam( L, 2, ptOn)
+   Vector3d vtN ;
+   LuaCheckParam( L, 3, vtN)
+   DBLVECTOR vdDist ;
+   LuaCheckParam( L, 4, vdDist)
+   double dToler ;
+   LuaCheckParam( L, 5, dToler)
+   int nDestGrpId ;
+   LuaCheckParam( L, 6, nDestGrpId)
+   int nRefType = RTY_DEFAULT ;
+   LuaGetParam( L, 7, nRefType) ;
+   LuaClearStack( L) ;
+  // recupero i contorni della superficie
+   int nCount = 0 ;
+   int nNewId = ExeGetSurfTmParSilhouettes( vIds, ptOn, vtN, vdDist, dToler, nDestGrpId, nRefType, &nCount) ;
+  // restituisco il risultato
+   if ( nCount >= 0)
+      LuaSetParam( L, nNewId) ;
+   else
+      LuaSetParam( L) ;
+   LuaSetParam( L, nCount) ;
+   return 2 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaExtractSurfTmFacetLoops( lua_State* L)
@@ -1116,6 +1188,30 @@ LuaExtractSurfBezierLoops( lua_State* L)
    return 2 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaShowSurfBezierControlPoints( lua_State* L)
+{
+   // 2 parametri : nCrvId, nDestGrpId
+   int nCrvId ;
+   LuaCheckParam( L, 1, nCrvId)
+   int nDestGrpId ;
+   LuaCheckParam( L, 2, nDestGrpId)
+   LuaClearStack( L) ;
+   int nCount = 0 ;
+   int nId = ExeShowSurfBezierControlPoints( nCrvId, nDestGrpId, &nCount) ;
+   // restituisco il risultato
+   if ( nId != GDB_ID_NULL) {
+      LuaSetParam( L, nId) ;
+      LuaSetParam( L, nCount) ;  
+   }
+   else {
+      LuaSetParam( L) ;
+      LuaSetParam( L) ;
+   }
+   return 2 ;
+}
+
 //-------------------------------------------------------------------------------
 bool
 LuaInstallGdbGetSurf( LuaMgr& luaMgr)
@@ -1127,6 +1223,7 @@ LuaInstallGdbGetSurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrNormVersor", LuaSurfFrNormVersor) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrGrossArea", LuaSurfFrGrossArea) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrChunkCount", LuaSurfFrChunkCount) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrChunkMaxOffset", LuaSurfFrChunkMaxOffset) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrChunkSimpleClassify", LuaSurfFrChunkSimpleClassify) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrTestExternal", LuaSurfFrTestExternal) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtExtractSurfFrChunkLoops", LuaExtractSurfFrChunkLoops) ;
@@ -1137,6 +1234,7 @@ LuaInstallGdbGetSurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmPartCount", LuaSurfTmPartCount) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetVertex", LuaSurfTmGetVertex) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetNearestVertex", LuaSurfTmGetNearestVertex) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmTriangleNormVersor", LuaSurfTmTriangleNormVersor) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmFacetFromTria", LuaSurfTmFacetFromTria) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetAllVertInFacet", LuaSurfTmGetAllVertInFacet) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetFacetBBox", LuaSurfTmGetFacetBBox) ;
@@ -1155,6 +1253,7 @@ LuaInstallGdbGetSurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmFacetsContact", LuaSurfTmFacetsContact) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtExtractSurfTmLoops", LuaExtractSurfTmLoops) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetSurfTmSilhouette", LuaGetSurfTmSilhouette) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtGetSurfTmParSilhouettes", LuaGetSurfTmParSilhouettes) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtExtractSurfTmFacetLoops", LuaExtractSurfTmFacetLoops) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCopySurfTmFacet", LuaCopySurfTmFacet) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmGetEdges", LuaSurfTmGetEdges) ;
@@ -1167,5 +1266,6 @@ LuaInstallGdbGetSurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBezierGetControlCurveU", LuaSurfBezierGetControlCurveU) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfBezierGetControlCurveV", LuaSurfBezierGetControlCurveV) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtExtractSurfBezierLoops", LuaExtractSurfBezierLoops) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtShowSurfBezierControlPoints", LuaShowSurfBezierControlPoints) ;
    return bOk ;
 }

LUA_GdbModifyCurve.cpp

@@ -913,6 +913,42 @@ LuaRemoveCurveCompoUndercutOnY( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaCurveCompoSetTempProp( lua_State* L)
+{
+  // 3 parametri : Id, nCrv, nProp
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   int nCrv ;
+   LuaCheckParam( L, 2, nCrv)
+   int nProp ;
+   LuaCheckParam( L, 3, nProp)
+   LuaClearStack( L) ;
+  // imposto sulla curva della composita la proprietà temporanea
+   bool bOk = ExeCurveCompoSetTempProp( nId, nCrv, nProp) ;
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
+
+//-------------------------------------------------------------------------------
+static int
+LuaCurveCompoSetTempParam( lua_State* L)
+{
+  // 3 parametri : Id, nCrv, dParam
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   int nCrv ;
+   LuaCheckParam( L, 2, nCrv)
+   double dParam ;
+   LuaCheckParam( L, 3, dParam)
+   LuaClearStack( L) ;
+  // imposto sulla curva della composita il parametro temporaneo
+   bool bOk = ExeCurveCompoSetTempParam( nId, nCrv, dParam) ;
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaChainCurvesInGroup( lua_State* L)
@@ -1057,9 +1093,9 @@ LuaProjectCurveOnSurfBzExt( lua_State* L)
 static int
 LuaCurveGetVoronoi( lua_State* L)
 {
-  // 2 o 3 parametri : Id, nDestGrpId [, nBound]
-   int nId ;
-   LuaCheckParam( L, 1, nId)
+  // 2 o 3 parametri : Id/s, nDestGrpId [, nBound]
+   INTVECTOR vIds ;
+   LuaCheckParam( L, 1, vIds)
    int nDestGrpId ;
    LuaCheckParam( L, 2, nDestGrpId)
    int nBound = 3 ;      // VORONOI_STD_BOUND
@@ -1067,7 +1103,7 @@ LuaCurveGetVoronoi( lua_State* L)
    LuaClearStack( L) ;
   // eseguo
    int nCount = 0 ;
-   int nNewId = ExeCurveGetVoronoi( nId, nDestGrpId, nBound, &nCount) ;
+   int nNewId = ExeCurveGetVoronoi( vIds, nDestGrpId, nBound, &nCount) ;
    if ( nNewId != GDB_ID_NULL)
       LuaSetParam( L, nNewId) ;
    else
@@ -1081,9 +1117,9 @@ LuaCurveGetVoronoi( lua_State* L)
 static int
 LuaCurveMedialAxisAdv( lua_State* L)
 {
-  // 2 o 3 parametri : Id, nDestGrpId [, nSide]
-   int nId ;
-   LuaCheckParam( L, 1, nId)
+  // 2 o 3 parametri : Id/s, nDestGrpId [, nSide]
+   INTVECTOR vIds ;
+   LuaCheckParam( L, 1, vIds)
    int nDestGrpId ;
    LuaCheckParam( L, 2, nDestGrpId)
    int nSide = 1 ;         // WMAT_LEFT
@@ -1091,7 +1127,7 @@ LuaCurveMedialAxisAdv( lua_State* L)
    LuaClearStack( L) ;
   // eseguo
    int nCount = 0 ;
-   int nNewId = ExeCurveGetMedialAxis( nId, nDestGrpId, nSide, &nCount) ;
+   int nNewId = ExeCurveGetMedialAxis( vIds, nDestGrpId, nSide, &nCount) ;
    if ( nNewId != GDB_ID_NULL)
       LuaSetParam( L, nNewId) ;
    else
@@ -1129,6 +1165,70 @@ LuaCurveGetFatCurve( lua_State* L)
    return 2 ;
 }
 
+//----------------------------------------------------------------------------
+static int
+LuaCurveBezierIncreaseDegree( lua_State* L)
+{
+   // 1 parametro : CrvId
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   LuaClearStack( L) ;
+   // eseguo
+   bool bOk = ExeCurveBezierIncreaseDegree( nId) ;
+   LuaSetParam( L, bOk) ;
+
+   return 1 ;
+}
+
+//----------------------------------------------------------------------------
+static int
+LuaCurveBezierDecreaseDegree( lua_State* L)
+{
+   // 1 parametro : CrvId
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   LuaClearStack( L) ;
+   // eseguo
+   bool bOk = ExeCurveBezierDecreaseDegree( nId) ;
+   LuaSetParam( L, bOk) ;
+
+   return 1 ;
+}
+
+//----------------------------------------------------------------------------
+static int
+LuaCurveBezierApproxToNonRat( lua_State* L)
+{
+   // 1 o 2 parametri : CrvId [, dTol]
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   double dTol = 10 * EPS_SMALL ;
+   LuaGetParam( L, 2, dTol) ;
+   LuaClearStack( L) ;
+   // eseguo
+   bool bOk = ExeCurveBezierApproxToNonRat( nId, dTol) ;
+   LuaSetParam( L, bOk) ;
+
+   return 1 ;
+}
+
+//----------------------------------------------------------------------------
+static int
+LuaCurveBezierApproxWithCubicBeziers( lua_State* L)
+{
+   // 1 o 2 parametri : CrvId [, dTol]
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   double dTol = 10 * EPS_SMALL ;
+   LuaGetParam( L, 2, dTol) ;
+   LuaClearStack( L) ;
+   // eseguo
+   bool bOk = ExeCurveBezierApproxWithCubicBeziers( nId, dTol) ;
+   LuaSetParam( L, bOk) ;
+
+   return 1 ;
+}
+ 
 //-------------------------------------------------------------------------------
 bool
 LuaInstallGdbModifyCurve( LuaMgr& luaMgr)
@@ -1182,6 +1282,8 @@ LuaInstallGdbModifyCurve( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtExplodeCurveCompo", LuaExplodeCurveCompo) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtMergeCurvesInCurveCompo", LuaMergeCurvesInCurveCompo) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtRemoveCurveCompoUndercutOnY", LuaRemoveCurveCompoUndercutOnY) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoSetTempProp", LuaCurveCompoSetTempProp) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveCompoSetTempParam", LuaCurveCompoSetTempParam) ;  
    bOk = bOk && luaMgr.RegisterFunction( "EgtChainCurvesInGroup", LuaChainCurvesInGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtReorderCurvesInGroup", LuaReorderCurvesInGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtProjectCurveOnSurfTm", LuaProjectCurveOnSurfTm) ;
@@ -1191,5 +1293,9 @@ LuaInstallGdbModifyCurve( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtCurveGetFatCurve", LuaCurveGetFatCurve) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtProjectCurveOnSurfBz", LuaProjectCurveOnSurfBz) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtProjectCurveOnSurfBzExt", LuaProjectCurveOnSurfBzExt) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveBezierIncreaseDeg", LuaCurveBezierIncreaseDegree) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveBezierDecreaseDeg", LuaCurveBezierDecreaseDegree) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCurveBezierApproxToNonRat", LuaCurveBezierApproxToNonRat) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtApproxBezierWithCubics", LuaCurveBezierApproxWithCubicBeziers) ;
    return bOk ;
 }

LUA_GdbModifySurf.cpp

@@ -165,6 +165,23 @@ LuaSurfFrOffsetAdv( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaSurfFrEraseChunk( lua_State* L)
+{
+  // 2 parametri : Id, nChunk
+   int nId ;
+   LuaCheckParam( L, 1, nId)
+   int nChunk ;
+   LuaCheckParam( L, 2, nChunk)
+   LuaClearStack( L) ;
+  // eseguo l'offset della regione
+   bool bOk = ExeSurfFrEraseChunk( nId, nChunk) ;
+   LuaSetParam( L, bOk) ;
+
+   return 1 ;
+}
+
 //----------------------------------------------------------------------------
 static int
 LuaSurfTmMoveVertex( lua_State* L)
@@ -611,6 +628,7 @@ LuaInstallGdbModifySurf( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrIntersect", LuaSurfFrIntersect) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrOffset", LuaSurfFrOffset) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrOffsetAdv", LuaSurfFrOffsetAdv) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtSurfFrEraseChunk", LuaSurfFrEraseChunk) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmMoveVertex", LuaSurfTmMoveVertex) ;  
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmMoveFacet", LuaSurfTmMoveFacet) ;  
    bOk = bOk && luaMgr.RegisterFunction( "EgtSurfTmToTriangles", LuaSurfTmToTriangles) ;  

LUA_GdbObjAttribs.cpp

@@ -247,12 +247,14 @@ LuaGetCalcStatus( lua_State* L)
 static int
 LuaSetMark( lua_State* L)
 {
-  // 1 parametro : Id
+  // 1 o 2 parametri : Id [, nMark]
    int nId ;
    LuaCheckParam( L, 1, nId)
+   int nMark = 1 ;
+   LuaGetParam( L, 2, nMark) ;
    LuaClearStack( L) ;
   // imposto l'evidenziazione
-   bool bOk = ExeSetMark( nId) ;
+   bool bOk = ExeSetMark( nId, nMark) ;
   // restituisco il risultato
    LuaSetParam( L, bOk) ;
    return 1 ;

LUA_MachMgr.cpp

@@ -1629,6 +1629,22 @@ LuaTdbGetCurrToolThLength( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaTdbIsCurrToolStandardDraw( lua_State* L)
+{
+  // nessun parametro
+   LuaClearStack( L) ;
+  // recupero lo stato
+   bool bStandard ;
+   bool bOk = ExeTdbCurrToolIsStandardDraw( bStandard) ;
+   if ( bOk)
+      LuaSetParam( L, bStandard) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 static int
 LuaTdbGetCurrToolDraw( lua_State* L)
@@ -4214,6 +4230,7 @@ LuaInstallMachMgr( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbGetCurrToolMaxDepth", LuaTdbGetCurrToolMaxDepth) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbGetCurrToolThDiam", LuaTdbGetCurrToolThDiam) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbGetCurrToolThLength", LuaTdbGetCurrToolThLength) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtTdbIsCurrToolStandardDraw", LuaTdbIsCurrToolStandardDraw) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbGetCurrToolDraw", LuaTdbGetCurrToolDraw) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbReload", LuaTdbReload) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtTdbSave", LuaTdbSave) ;