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fix normal vector computation when mapping surfaces

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This commit is contained in:
Matthias Hochsteger 2023-01-16 17:05:41 +01:00
parent e3772bf3af
commit e581c0d91c
1 changed files with 1 additions and 1 deletions
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2
libsrc/meshing/basegeom.cpp
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@ -1053,7 +1053,7 @@ namespace netgen
if(do_invert.IsMaybe())
{
auto n_src = src.GetNormal(mesh[sel[0]]);
auto n_dist = dst.GetNormal(mesh[sel[0]]);
auto n_dist = dst.GetNormal(trafo(mesh[sel[0]]));
Mat<3> normal_matrix;
CalcInverse(Trans(trafo.GetMatrix()), normal_matrix);
do_invert = n_src * (normal_matrix * n_dist) < 0.0;