interface

libsrc/include/nginterface_v2.hpp

@@ -111,6 +111,40 @@ namespace netgen
   public:
     Ng_Vertices vertices;
   };
+
+
+
+  template <>
+  class Ng_Node<2>
+  {
+    class Ng_Vertices
+    {
+    public:
+      int nv;
+      const int * ptr;
+  
+      int Size() const { return nv; }
+      int operator[] (int i) const { return ptr[i]-1; }
+    };
+
+    class Ng_Edges
+    {
+    public:
+      int ned;
+      const int * ptr;
+  
+      int Size() const { return ned; }
+      int operator[] (int i) const { return ptr[i]-1; }
+    };
+
+
+  public:
+    Ng_Vertices vertices;
+    Ng_Edges edges;
+  };
+
+
+
     
   template <int DIM>
   DLL_HEADER Ng_Node<DIM> Ng_GetNode (int nr);

libsrc/meshing/topology.hpp

@@ -87,6 +87,7 @@ public:
   void GetFaceVertices (int fnr, int * vertices) const;
   void GetEdgeVertices (int enr, int & v1, int & v2) const;
   const int * GetEdgeVerticesPtr (int enr) const { return &edge2vert[enr][0]; }
+  const int * GetFaceVerticesPtr (int fnr) const { return &face2vert[fnr][0]; }
   void GetFaceEdges (int fnr, Array<int> & edges, bool withorientation = false) const;
 
   ELEMENT_TYPE GetFaceType (int fnr) const;

ng/nginterface_v2.cpp

@@ -263,4 +263,13 @@ namespace netgen
   }
 
 
+
+  template <> DLL_HEADER Ng_Node<2> Ng_GetNode<2> (int nr)
+  {
+    Ng_Node<2> node;
+    node.vertices.ptr = mesh->GetTopology().GetFaceVerticesPtr(nr);
+    node.vertices.nv = (node.vertices.ptr[3] == 0) ? 3 : 4;
+    return node;
+  }
+
 }