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fix #19831 Sketcher: Create external Intersection geometry not working with complex surfaces

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Co-authored-by: Zheng Lei <realthunder.dev@gmail.com>
This commit is contained in:
Andrew Shkolik
2025-02-25 01:27:58 -06:00
parent b07caa732e
commit 0921ed2969
1 changed files with 33 additions and 10 deletions
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43
src/Mod/Sketcher/App/SketchObject.cpp
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@@ -8960,16 +8960,39 @@ void processEdge(const TopoDS_Edge& edge,
}
else {
try {
BRepOffsetAPI_NormalProjection mkProj(aProjFace);
mkProj.Add(edge);
mkProj.Build();
const TopoDS_Shape& projShape = mkProj.Projection();
if (!projShape.IsNull()) {
TopExp_Explorer xp;
for (xp.Init(projShape, TopAbs_EDGE); xp.More(); xp.Next()) {
TopoDS_Edge projEdge = TopoDS::Edge(xp.Current());
TopLoc_Location loc(mov);
projEdge.Location(loc);
Part::TopoShape projShape;
// Projection of the edge on parallel plane to the sketch plane is edge itself
// all we need to do is match coordinate systems
// for some reason OCC doesn't like to project a planar B-Spline to a plane parallel to it
if (planar && plane.Axis().Direction().IsParallel(sketchPlane.Axis().Direction(), Precision::Confusion())) {
// We can't use gp_Pln::Distance() because we need to
// know which side the plane is regarding the sketch
const gp_Pnt& aP = sketchPlane.Location();
const gp_Pnt& aLoc = plane.Location ();
const gp_Dir& aDir = plane.Axis().Direction();
double d = (aDir.X() * (aP.X() - aLoc.X()) +
aDir.Y() * (aP.Y() - aLoc.Y()) +
aDir.Z() * (aP.Z() - aLoc.Z()));
gp_Trsf trsf;
trsf.SetTranslation(gp_Vec(aDir) * d);
projShape.setShape(edge);
projShape.transformShape(Part::TopoShape::convert(trsf), /*copy*/false);
} else {
// When planes not parallel or perpendicular, or edge is not planar
// normal projection is working just fine
BRepOffsetAPI_NormalProjection mkProj(aProjFace);
mkProj.Add(edge);
mkProj.Build();
projShape.setShape(mkProj.Projection());
}
if (!projShape.isNull() && projShape.hasSubShape(TopAbs_EDGE)) {
for (auto &e : projShape.getSubTopoShapes(TopAbs_EDGE)) {
// Transform copy of the edge to the sketch plane local coordinates
e.transformShape(invPlm.toMatrix(), /*copy*/true, /*checkScale*/true);
TopoDS_Edge projEdge = TopoDS::Edge(e.getShape());
processEdge2(projEdge, geos);
}
}