EgtInterface 1.5k5 :

- aggiunta EgtTrimExtendCurveByLen
- aggiunta EgtOffsetCurve
- aggiunte EgtCurveLength e EgtCurveLengthAtPoint
- aggiunta EgtGetPointFromSelect.

API_GeoSnap.cpp

@@ -21,6 +21,7 @@
 #include "/EgtDev/Include/EgkCurve.h"
 #include "/EgtDev/Include/EgkCurveArc.h"
 #include "/EgtDev/Include/EgkExtText.h"
+#include "/EgtDev/Include/EgkDistPointCurve.h"
 #include "/EgtDev/Include/EgkIntersCurveCurve.h"
 #include "/EgtDev/Include/EgtPointerOwner.h"
 
@@ -488,6 +489,45 @@ __stdcall EgtFrame( int nId, Frame3d& frFrame)
    return false ;
 }
 
+//----------------------------------------------------------------------------
+BOOL
+__stdcall EgtCurveLength( int nId, 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)) ;
+   if ( pCurve == nullptr)
+      return FALSE ;
+  // recupero la lunghezza
+   return ( pCurve->GetLength( *pdLen) ? TRUE : FALSE) ;
+}
+
+//----------------------------------------------------------------------------
+BOOL
+__stdcall EgtCurveLengthAtPoint( int nId, double ptOn[3], 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)) ;
+   if ( pCurve == nullptr)
+      return FALSE ;
+  // determino la posizione parametrica del punto sulla curva (con tolleranza)
+   int nFlag ;
+   double dU ;
+   if ( ! DistPointCurve( ptOn, *pCurve).GetParamAtMinDistPoint( 0, dU, nFlag)  ||  nFlag != MDPCI_NORMAL)
+      return FALSE ;
+  // recupero la lunghezza alla posizione parametrica
+   return ( pCurve->GetLengthAtParam( dU, *pdLen) ? TRUE : FALSE) ;
+}
+
 //----------------------------------------------------------------------------
 BOOL
 __stdcall EgtCurveExtrusion( int nId, double vtExtr[3])