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Dont throw exception if illegal_trigs table is not built

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Matthias Hochsteger 2019-09-30 18:54:42 +02:00
parent bef1172b44
commit 871f70790f
1 changed files with 8 additions and 7 deletions
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15
libsrc/meshing/meshclass.cpp
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@ -3849,6 +3849,7 @@ namespace netgen
return 0; return 0;
} }
// Search for surface trigs with same vertices ( may happen for instance with close surfaces in stl geometies )
int Mesh :: FindIllegalTrigs () int Mesh :: FindIllegalTrigs ()
{ {
// Temporary table to store the vertex numbers of all triangles // Temporary table to store the vertex numbers of all triangles
@ -3888,13 +3889,13 @@ namespace netgen
bool Mesh :: LegalTrig (const Element2d & el) const bool Mesh :: LegalTrig (const Element2d & el) const
{ {
// Search for surface trigs with same vertices ( may happen for instance with close surfaces in stl geometies ) if(illegal_trigs)
if(!illegal_trigs) {
throw Exception("In Mesh::LegalTrig() - illegal_trigs table not built"); INDEX_3 i3 (el[0], el[1], el[2]);
INDEX_3 i3 (el[0], el[1], el[2]); i3.Sort();
i3.Sort(); if(illegal_trigs->Used(i3))
if(illegal_trigs->Used(i3)) return false;
return false; }
return 1; return 1;
if ( /* hp */ 1) // needed for old, simple hp-refinement if ( /* hp */ 1) // needed for old, simple hp-refinement