ForkMaster/netgen
1
0
Fork 0
mirror of https://github.com/NGSolve/netgen.git synced 2025-02-13 13:53:08 +05:00
Code Issues Packages Projects Releases Wiki Activity

fix normal vector computation when mapping surfaces

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libsrc/meshing/basegeom.cpp
View File

@ -1053,7 +1053,7 @@ namespace netgen
if(do_invert.IsMaybe()) if(do_invert.IsMaybe())
{ {
auto n_src = src.GetNormal(mesh[sel[0]]); 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; Mat<3> normal_matrix;
CalcInverse(Trans(trafo.GetMatrix()), normal_matrix); CalcInverse(Trans(trafo.GetMatrix()), normal_matrix);
do_invert = n_src * (normal_matrix * n_dist) < 0.0; do_invert = n_src * (normal_matrix * n_dist) < 0.0;