added getNumMeshVertex, getMeshVertex

Geo/GEntity.h

@@ -55,8 +55,17 @@ class GEntity {
   // The color of the entity (ignored if set to transparent blue)
   unsigned int _color;
 
- public:
+ public: // these will become protected at some point
+  // The mesh vertices uniquely owned by the entity
+  std::vector<MVertex*> mesh_vertices;
+
+  // The physical entitites (if any) that contain this entity
+  std::vector<int> physicals;
+
+  // Vertex arrays to draw the mesh efficiently
+  VertexArray *va_lines, *va_triangles;
 
+ public:
   // All known native model types
   enum ModelType {
     UnknownModel,
@@ -243,14 +252,11 @@ class GEntity {
   bool getAllElementsVisible(){ return _allElementsVisible ? true : false; }
   void setAllElementsVisible(bool val){ _allElementsVisible = val ? 1 : 0; }
 
-  // The mesh vertices uniquely owned by the entity
-  std::vector<MVertex*> mesh_vertices;
-
-  // The physical entitites (if any) that contain this entity
-  std::vector<int> physicals;
+  // Gets the number of mesh vertices in the entity
+  unsigned int getNumMeshVertices() { return mesh_vertices.size(); }
 
-  // Vertex arrays to draw the mesh efficiently
-  VertexArray *va_lines, *va_triangles;
+  // Gets the mesh vertex at the given index
+  MVertex *getMeshVertex(unsigned int index) { return mesh_vertices[index]; }
 };
 
 class GEntityLessThan {

contrib/Netgen/nglib_addon.cpp

@@ -69,12 +69,15 @@ void NgAddOn_Init()
 Ng_Result NgAddOn_GenerateVolumeMesh(Ng_Mesh *mesh, double maxh)
 {
   Mesh *m = (Mesh*)mesh;
+
   MeshingParameters mparam;
+  mparam.uselocalh = 1;
   mparam.maxh = maxh;
+
   m->CalcLocalH();
   MeshVolume(mparam, *m);
   //RemoveIllegalElements(*m);
-  //OptimizeVolume (mparam, *m);
+  //OptimizeVolume(mparam, *m);
   return NG_OK;
 }
 
@@ -82,10 +85,13 @@ Ng_Result NgAddOn_GenerateVolumeMesh(Ng_Mesh *mesh, double maxh)
 Ng_Result NgAddOn_OptimizeVolumeMesh(Ng_Mesh *mesh, double maxh)
 {
   Mesh *m = (Mesh*)mesh;
+
   MeshingParameters mparam;
+  mparam.uselocalh = 1;
   mparam.maxh = maxh;
+
   m->CalcLocalH();
-  //MeshVolume (mparam, *m);
+  //MeshVolume(mparam, *m);
   RemoveIllegalElements(*m);
   OptimizeVolume(mparam, *m);
   return NG_OK;