EgtGeomKernel 2.5b2 :

- in CurveComposite aggiunta funzione StraightArcsToLines
- in OffsetCurve filtraggio prima dell'esecuzione anche con la funzione precedente.

CurveComposite.cpp

@@ -2039,7 +2039,7 @@ CurveComposite::ModifyCurveToArc( int nCrv, const Point3d& ptMid)
    if ( nCrv < 0  ||  nCrv > nCrvCount - 1)
       return false ;
   // recupero la curva corrente 
-   ICurve* pCrv = *(m_CrvSmplS.begin() + nCrv) ;
+   ICurve* pCrv = m_CrvSmplS[nCrv] ;
   // recupero gli estremi
    Point3d ptStart, ptEnd ;
    if ( ! pCrv->GetStartPoint( ptStart)  ||  ! pCrv->GetEndPoint( ptEnd))
@@ -2072,7 +2072,7 @@ CurveComposite::ModifyCurveToLine( int nCrv)
    if ( nCrv < 0  ||  nCrv > nCrvCount - 1)
       return false ;
   // recupero la curva corrente 
-   ICurve* pCrv = *(m_CrvSmplS.begin() + nCrv) ;
+   ICurve* pCrv = m_CrvSmplS[nCrv] ;
   // se già linea non devo fare alcunchè
    if ( pCrv->GetType() == CRV_LINE)
       return true ;
@@ -2880,6 +2880,39 @@ CurveComposite::ArcsBezierCurvesToArcsPerpExtr( double dLinTol, double dAngTolDe
    return true ;
 }
 
+//----------------------------------------------------------------------------
+bool
+CurveComposite::StraightArcsToLines( double dLinTol, double dAngTolDeg)
+{
+  // controllo le tolleranze
+   dLinTol = max( dLinTol, EPS_SMALL) ;
+   dAngTolDeg = Clamp( dAngTolDeg, EPS_ANG_SMALL, ANG_RIGHT) ;
+  // verifico le singole curve
+   for ( auto Iter = m_CrvSmplS.begin() ; Iter != m_CrvSmplS.end() ; ++ Iter) {
+      CurveArc* pArc = GetBasicCurveArc( *Iter) ;
+      if ( pArc != nullptr  &&
+           abs( pArc->GetAngCenter()) < dAngTolDeg  &&
+           pArc->GetRadius() * ( 1 - cos( pArc->GetAngCenter() / 2 * DEGTORAD)) < dLinTol) {
+        // recupero gli estremi
+         Point3d ptStart, ptEnd ;
+         if ( ! pArc->GetStartPoint( ptStart)  ||  ! pArc->GetEndPoint( ptEnd))
+            return false ;
+        // creo la linea
+         PtrOwner<CurveLine> pLine( CreateBasicCurveLine()) ;
+         if ( IsNull( pLine)  ||  ! pLine->Set( ptStart, ptEnd))
+            return false ;
+        // elimino la curva originale e la sostituisco con la nuova
+         delete (*Iter) ;
+         (*Iter) = Release( pLine) ;
+      }
+   }
+
+  // imposto ricalcolo della grafica
+   m_OGrMgr.Reset() ;
+
+   return true ;
+}
+
 //----------------------------------------------------------------------------
 static int
 MergeTwoCurves( ICurve* pCrvP, ICurve* pCrvC, double& dCurrLinTol, double dCosAngTol, bool bNeedSameProp)