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Adds a continuity check for IfcCurveSegment

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This commit is contained in:
Richard Brice
2023-09-29 08:02:33 -07:00
parent d4f543d2ad
commit 47c319aa2d
1 changed files with 15 additions and 2 deletions
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src/ifcgeom/mapping/IfcCompositeCurve.cpp
+15 -2
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@@ -67,9 +67,22 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcCompositeCurve* inst) {
#ifdef SCHEMA_HAS_IfcCurveSegment
else if (segment->as<IfcSchema::IfcCurveSegment>()) {
auto crv = map(segment->as<IfcSchema::IfcCurveSegment>());
for (auto& s : taxonomy::cast<taxonomy::loop>(crv)->children) {
loop->children.push_back(s);
auto crv_as_loop = taxonomy::cast<taxonomy::loop>(crv);
// The end of the previous segment must be at the same location as the start of this segment
// @todo - need to apply some tolerancing
if (!loop->children.empty() and !crv_as_loop->children.empty()
and
boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(loop->children.back()->end)->components() != boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(crv_as_loop->children.front()->start)->components())
{
std::ostringstream os;
auto& prev = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(loop->children.back()->end)->components();
auto& next = boost::get<ifcopenshell::geometry::taxonomy::point3::ptr>(crv_as_loop->children.front()->start)->components();
os << "Common points are not continuous: (" << prev.x() << ", " << prev.y() << ", " << prev.z() << ")" << " " << "(" << next.x() << ", " << next.y() << ", " << next.z() << ")" << std::endl;
Logger::Notice(os.str());
}
loop->children.insert(loop->children.end(), crv_as_loop->children.begin(), crv_as_loop->children.end());
}
#endif
}