OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-09-03 14:10:33 +03:00
Code Activity

0025936: Modeling Data - reusable data structure for 2D tesselation (3- and 4-nodal mesh)

Browse Source 
// Fixed a regression in bugs vis bug30630_1 (mirrored shape)
This commit is contained in:
vro
2021-02-15 16:13:46 +03:00
parent fd76595d64
commit 8a552e5e48
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/StdPrs/StdPrs_ShadedShape.cxx
View File

@@ -188,10 +188,8 @@ namespace
// Determinant of transform matrix less then 0 means that mirror transform applied. // Determinant of transform matrix less then 0 means that mirror transform applied.
Standard_Boolean isMirrored = aTrsf.VectorialPart().Determinant() < 0; Standard_Boolean isMirrored = aTrsf.VectorialPart().Determinant() < 0;
Poly_Connect aPolyConnect (aT);
// Extracts vertices & normals from nodes // Extracts vertices & normals from nodes
TColgp_Array1OfDir aNormals (1, aT->NbNodes()); StdPrs_ToolTriangulatedShape::ComputeNormals (aFace, aT);
StdPrs_ToolTriangulatedShape::Normal (aFace, aPolyConnect, aNormals);
if (theHasTexels) if (theHasTexels)
{ {
@@ -200,11 +198,17 @@ namespace
dVmax = (aVmax - aVmin); dVmax = (aVmax - aVmin);
} }
gp_Dir aNorm;
const Standard_Integer aDecal = anArray->VertexNumber(); const Standard_Integer aDecal = anArray->VertexNumber();
for (Standard_Integer aNodeIter = 1; aNodeIter <= aT->NbNodes(); ++aNodeIter) for (Standard_Integer aNodeIter = 1; aNodeIter <= aT->NbNodes(); ++aNodeIter)
{ {
aPoint = aT->Node (aNodeIter); aPoint = aT->Node (aNodeIter);
gp_Dir aNorm = aNormals (aNodeIter); const Vec3f& aVec = aT->Normal (aNodeIter);
aNorm.SetCoord (aVec.x(), aVec.y(), aVec.z());
if ((aFace.Orientation() == TopAbs_REVERSED) ^ isMirrored)
{
aNorm.Reverse();
}
if (!aLoc.IsIdentity()) if (!aLoc.IsIdentity())
{ {
aPoint.Transform (aTrsf); aPoint.Transform (aTrsf);