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Apply skew in infra lofts #6386

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This commit is contained in:
Thomas Krijnen
2025-03-20 16:13:56 +01:00
parent 35fe79dfb2
commit 4c2844292e
4 changed files with 58 additions and 8 deletions
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src/ifcgeom/mapping/IfcSectionedSurface.cpp
+15 -1
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@@ -49,6 +49,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSectionedSurface* inst) {
// The longitudes determine the range of the sweep and the offsets are interpolated in between
// sweep segments.
std::vector<Eigen::Vector3d> profile_offsets;
std::vector<boost::optional<Eigen::Matrix3d>> profile_rotations;
std::vector<double> longitudes;
for (auto& cs : *css) {
@@ -69,6 +70,19 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSectionedSurface* inst) {
);
profile_offsets.push_back(po);
boost::optional<Eigen::Matrix3d> rot;
if (csp->Axis() && csp->RefDirection()) {
rot = taxonomy::matrix4(
Eigen::Vector3d(0, 0, 0),
taxonomy::cast<taxonomy::direction3>(map(csp->Axis()))->ccomponents(),
taxonomy::cast<taxonomy::direction3>(map(csp->RefDirection()))->ccomponents()).ccomponents().block<3, 3>(0, 0);
} else if (csp->Axis()) {
rot = taxonomy::matrix4(
Eigen::Vector3d(0, 0, 0),
taxonomy::cast<taxonomy::direction3>(map(csp->Axis()))->ccomponents()).ccomponents().block<3, 3>(0, 0);
}
profile_rotations.push_back(rot);
}
#else
return nullptr;
@@ -83,7 +97,7 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSectionedSurface* inst) {
}
for (size_t i = 0; i < faces.size(); ++i) {
cross_sections.push_back({ longitudes[i], faces[i], profile_offsets[i] });
cross_sections.push_back({ longitudes[i], faces[i], profile_offsets[i], profile_rotations[i] });
}
}