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Fix triangulated face set #5020

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This commit is contained in:
Thomas Krijnen
2024-07-17 03:26:23 +02:00
parent 70336f179d
commit 669b0b8c83
1 changed files with 7 additions and 2 deletions
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src/ifcgeom/mapping/IfcTriangulatedFaceSet.cpp
+7 -2
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@@ -49,17 +49,22 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcTriangulatedFaceSet* inst) {
auto loop = taxonomy::make<taxonomy::loop>();
fa->children = { loop };
loop->external = true;
taxonomy::point3::ptr previous;
taxonomy::point3::ptr first, previous;
for (std::vector<int>::const_iterator jt = indices.begin(); jt != indices.end(); ++jt) {
if (*jt < 1 || *jt > max_index) {
throw IfcParse::IfcException("IfcTriangulatedFaceSet index out of bounds for index " + boost::lexical_cast<std::string>(*jt));
}
const taxonomy::point3::ptr& current = points[(*jt) - 1];
if (jt != indices.begin()) {
if (jt == indices.begin()) {
first = current;
} else {
loop->children.push_back(taxonomy::make<taxonomy::edge>(previous, current));
}
previous = current;
}
if (first && previous != first) {
loop->children.push_back(taxonomy::make<taxonomy::edge>(previous, first));
}
}
}