Part: fix bug in Part::Tools::getPointNormals for OCCT 7.6

2021-10-09 14:34:04 +02:00
parent a7f9c2f1b9
commit 86208783a8
1 changed files with 1 additions and 0 deletions
--- a/src/Mod/Part/App/Tools.cpp
+++ b/src/Mod/Part/App/Tools.cpp
@@ -528,6 +528,7 @@ void Part::Tools::getPointNormals(const TopoDS_Face& theFace, Handle(Poly_Triang
        Standard_Boolean hasNodesUV      = aPolyTri->HasUVNodes() && !aSurf.IsNull();
        Standard_Integer aTri[3];

+        aPolyTri->AddNormals();
        for(Standard_Integer aNodeIter = 1; aNodeIter <= numNodes; ++aNodeIter)
        {
            // try to retrieve normal from real surface first, when UV coordinates are available