EgtExecutor :

- aggiunte funzioni per l'approssimaizone di curve di bezier - aggiunta la possibilità di scegliere il grado nella conversione da curva generica a curva di bezier.
2024-08-26 16:52:12 +02:00
parent e463ba5500
commit ea83cb985d
6 changed files with 226 additions and 7 deletions
@@ -2990,5 +2990,186 @@ ExeCurveBezierDecreaseDegree( int nCrvId, double dTol)
      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 ;
 }