Merge branch 'export_curve_order' into 'master'

Interface can now give curve order of mesh

See merge request jschoeberl/netgen!314

libsrc/include/nginterface_v2.hpp

@@ -343,6 +343,7 @@ namespace netgen
       void SetRefinementFlag (size_t elnr, bool flag);
     
     void Curve (int order);
+    int GetCurveOrder ();
 
     void Refine (NG_REFINEMENT_TYPE reftype,
                  void (*taskmanager)(function<void(int,int)>) = &DummyTaskManager2,

libsrc/interface/nginterface_v2.cpp

@@ -1134,6 +1134,10 @@ namespace netgen
     mesh->BuildCurvedElements(order);
   }
 
+  int Ngx_Mesh :: GetCurveOrder ()
+  {
+    return mesh->GetCurvedElements().GetOrder();
+  }
 
   template <>
   DLL_HEADER void Ngx_Mesh :: SetRefinementFlag<2> (size_t elnr, bool flag)