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Detect self-intersections in faceset helper and clamp bounding box eps factor to 1.

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This commit is contained in:
Thomas Krijnen
2018-12-21 15:58:21 +01:00
parent 4de617e398
commit 31eac564f6
2 changed files with 17 additions and 3 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+5 -3
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@@ -3300,7 +3300,9 @@ bool IfcGeom::Kernel::wire_intersections(const TopoDS_Wire& wire, TopTools_ListO
// TopoDS_Face face = BRepBuilderAPI_MakeFace(wire, true).Face();
// ShapeAnalysis_Wire saw(wd, face, getValue(GV_PRECISION));
const double eps = (std::min)(min_edge_length(wire) / 2., getValue(GV_PRECISION) * 10.);
const double eps = faceset_helper_
? faceset_helper_->epsilon()
: (std::min)(min_edge_length(wire) / 2., getValue(GV_PRECISION) * 10.);
for (int i = 2; i < n; ++i) {
@@ -3788,14 +3790,14 @@ IfcGeom::Kernel::faceset_helper::faceset_helper(Kernel* kernel, const IfcSchema:
}
}
const double eps = kernel->getValue(GV_PRECISION) * 10. * bdiff;
eps_ = kernel->getValue(GV_PRECISION) * 10. * (std::min)(1.0, bdiff);
std::map<std::pair<int, int>, int> edge_use;
for (int i = 0; i < pnts.size(); ++i) {
if (pnts[i]) {
std::set<int> vs;
find_neighbours(tree, pnts, vs, i, eps);
find_neighbours(tree, pnts, vs, i, eps_);
for (int v : vs) {
auto pt = *(points->begin() + v);