Fix of geom/bugs_12/M2 test case

This commit is contained in:
skv 2013-12-10 16:00:37 +00:00
parent f147401fad
commit 2c88eef4af

View File

@ -233,6 +233,41 @@ static Standard_Boolean IsFacesOfSameSolids
return isSame;
}
//=======================================================================
//function : IsEdgeValidToMerge
//purpose : Edge is valid if it is not seam or if it is a seam and the face
// has another seam edge.
//=======================================================================
static Standard_Boolean IsEdgeValidToMerge(const TopoDS_Edge &theEdge,
const TopoDS_Face &theFace)
{
Standard_Boolean isValid = Standard_True;
if (BRep_Tool::IsClosed(theEdge, theFace)) {
// This is a seam edge. Check if there are another seam edges on the face.
TopExp_Explorer anExp(theFace, TopAbs_EDGE);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Shape &aShEdge = anExp.Current();
// Skip same edge.
if (theEdge.IsSame(aShEdge)) {
continue;
}
// Check if this edge is a seam.
TopoDS_Edge anEdge = TopoDS::Edge(aShEdge);
if (BRep_Tool::IsClosed(anEdge, theFace)) {
isValid = Standard_False;
break;
}
}
}
return isValid;
}
//=======================================================================
//function : Perform
//purpose :
@ -302,7 +337,7 @@ TopoDS_Shape BlockFix_UnionFaces::Perform(const TopoDS_Shape& Shape)
Standard_Integer i;
for (i = 1; i <= edges.Length(); i++) {
TopoDS_Edge edge = TopoDS::Edge(edges(i));
if (BRep_Tool::Degenerated(edge) || BRep_Tool::IsClosed(edge, aFace))
if (BRep_Tool::Degenerated(edge) || !IsEdgeValidToMerge(edge, aFace))
continue;
const TopTools_ListOfShape& aList = aMapEdgeFaces.FindFromKey(edge);
@ -315,7 +350,7 @@ TopoDS_Shape BlockFix_UnionFaces::Perform(const TopoDS_Shape& Shape)
if (aProcessed.Contains(anCheckedFace))
continue;
if (BRep_Tool::IsClosed(edge, anCheckedFace)) {
if (!IsEdgeValidToMerge(edge, anCheckedFace)) {
// Skip seam edge.
continue;
}