Porting To OCCT 7.7

small fix for netgen 6.2.2204

src/NETGENPlugin/NETGENPlugin_Mesher.cxx

@@ -31,6 +31,7 @@
 #include "NETGENPlugin_Hypothesis_2D.hxx"
 #include "NETGENPlugin_SimpleHypothesis_3D.hxx"
 
+#include <BRepBndLib.hxx>
 #include <SMDS_FaceOfNodes.hxx>
 #include <SMDS_LinearEdge.hxx>
 #include <SMDS_MeshElement.hxx>
@@ -52,6 +53,7 @@
 
 #include <utilities.h>
 
+#include <Standard_Version.hxx>
 #include <BRepAdaptor_Surface.hxx>
 #include <BRepBuilderAPI_Copy.hxx>
 #include <BRepLProp_SLProps.hxx>
@@ -873,12 +875,12 @@ void NETGENPlugin_Mesher::SetLocalSizeForChordalError( netgen::OCCGeometry& occg
       {
         Standard_Integer n1,n2,n3;
         triangulation->Triangles()(i).Get( n1,n2,n3 );
-        p [0] = triangulation->Nodes()(n1).Transformed(loc).XYZ();
-        p [1] = triangulation->Nodes()(n2).Transformed(loc).XYZ();
-        p [2] = triangulation->Nodes()(n3).Transformed(loc).XYZ();
-        uv[0] = triangulation->UVNodes()(n1).XY();
-        uv[1] = triangulation->UVNodes()(n2).XY();
-        uv[2] = triangulation->UVNodes()(n3).XY();
+        p [0] = triangulation->Node(n1).Transformed(loc).XYZ();
+        p [1] = triangulation->Node(n2).Transformed(loc).XYZ();
+        p [2] = triangulation->Node(n3).Transformed(loc).XYZ();
+        uv[0] = triangulation->UVNode(n1).XY();
+        uv[1] = triangulation->UVNode(n2).XY();
+        uv[2] = triangulation->UVNode(n3).XY();
         surfProp.SetParameters( uv[0].X(), uv[0].Y() );
         if ( !surfProp.IsCurvatureDefined() )
           break;
@@ -1036,7 +1038,14 @@ double NETGENPlugin_Mesher::GetDefaultMinSize(const TopoDS_Shape& geom,
       BRep_Tool::Triangulation ( TopoDS::Face( fExp.Current() ), loc);
     if ( triangulation.IsNull() ) continue;
     const double fTol = BRep_Tool::Tolerance( TopoDS::Face( fExp.Current() ));
-    const TColgp_Array1OfPnt&   points = triangulation->Nodes();
+#if OCC_VERSION_HEX < 0x070600
+      const TColgp_Array1OfPnt& points = triangulation->Nodes();
+#else
+       auto points = [&triangulation](Standard_Integer index) {
+      return triangulation->Node(index);
+      };
+#endif
+
     const Poly_Array1OfTriangle& trias = triangulation->Triangles();
     for ( int iT = trias.Lower(); iT <= trias.Upper(); ++iT )
     {
@@ -4511,6 +4520,7 @@ int NETGENPlugin_NetgenLibWrapper::GenerateMesh( netgen::OCCGeometry& occgeo,
 
   ngMesh->SetGeometry( shared_ptr<netgen::NetgenGeometry>( &occgeo, &NOOP_Deleter ));
 
+  occgeo.BuildFMap();
   netgen::mparam.perfstepsstart = startWith;
   netgen::mparam.perfstepsend   = endWith;
   std::shared_ptr<netgen::Mesh> meshPtr( ngMesh, &NOOP_Deleter );

src/NETGENPlugin/NETGENPlugin_NETGEN_2D_ONLY.cxx

@@ -26,6 +26,8 @@
 #include "NETGENPlugin_Mesher.hxx"
 #include "NETGENPlugin_Hypothesis_2D.hxx"
 
+#include <BRepBndLib.hxx>
+#include <TopExp.hxx>
 #include <SMDS_MeshElement.hxx>
 #include <SMDS_MeshNode.hxx>
 #include <SMESHDS_Mesh.hxx>
@@ -290,6 +292,8 @@ bool NETGENPlugin_NETGEN_2D_ONLY::Compute(SMESH_Mesh&         aMesh,
 #endif
     occgeoComm.face_maxh = netgen::mparam.maxh;
 #ifdef NETGEN_V6
+    occgeoComm.BuildFMap();
+
     netgen::OCCParameters occparam;
     netgen::OCCSetLocalMeshSize( occgeoComm, *ngMeshes[0], netgen::mparam, occparam );
 #else