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'nondestructive' boolean ops

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Thomas Krijnen
2018-06-12 16:15:12 +02:00
parent 3ac8379187
commit 136ec5b224
1 changed files with 3 additions and 15 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+3 -15
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@@ -3066,19 +3066,6 @@ bool IfcGeom::Kernel::boolean_operation(const TopoDS_Shape& a, const TopoDS_Shap
#else
namespace {
TopTools_ListOfShape copy_operand(const TopTools_ListOfShape& l) {
TopTools_ListOfShape r;
TopTools_ListIteratorOfListOfShape it(l);
for (; it.More(); it.Next()) {
r.Append(BRepBuilderAPI_Copy(it.Value()));
}
return r;
}
TopoDS_Shape copy_operand(const TopoDS_Shape& s) {
return BRepBuilderAPI_Copy(s);
}
double min_edge_length(const TopoDS_Shape& a) {
double min_edge_len = std::numeric_limits<double>::infinity();
TopExp_Explorer exp(a, TopAbs_EDGE);
@@ -3114,10 +3101,11 @@ bool IfcGeom::Kernel::boolean_operation(const TopoDS_Shape& a, const TopTools_Li
const double fuzz = (std::min)(min_edge_len / 3., fuzziness);
TopTools_ListOfShape s1s;
s1s.Append(copy_operand(a));
s1s.Append(a);
builder->SetNonDestructive(true);
builder->SetFuzzyValue(fuzz);
builder->SetArguments(s1s);
builder->SetTools(copy_operand(b));
builder->SetTools(b);
builder->Build();
if (builder->IsDone()) {
TopoDS_Shape r = *builder;