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Hollow circles

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This commit is contained in:
Ken Arroyo Ohori
2017-03-07 13:04:22 -06:00
parent 1fb76a9749
commit 29021d8b06
2 changed files with 40 additions and 0 deletions
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src/ifcgeom/kernels/cgal/CgalEntityMapping.h
+1
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@@ -49,6 +49,7 @@ SHAPE(IfcRightCircularCone);
SHAPE(IfcTriangulatedFaceSet);
FACE(IfcArbitraryClosedProfileDef);
FACE(IfcCircleHollowProfileDef);
FACE(IfcCircleProfileDef);
FACE(IfcFace);
FACE(IfcRectangleProfileDef);
src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
+39
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@@ -159,6 +159,45 @@ bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcCircleProfileDef* l, cgal_
return true;
}
bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcCircleHollowProfileDef* l, cgal_face_t& face) {
const double r = l->Radius() * getValue(GV_LENGTH_UNIT);
const double t = l->WallThickness() * getValue(GV_LENGTH_UNIT);
if ( r == 0.0f || t == 0.0f ) {
Logger::Message(Logger::LOG_NOTICE,"Skipping zero sized profile:",l->entity);
return false;
}
cgal_placement_t trsf2d;
bool has_position = true;
#ifdef USE_IFC4
has_position = l->hasPosition();
#endif
const int segments = 12;
face = cgal_face_t();
for (int current_segment = 0; current_segment < segments; ++current_segment) {
double current_angle = current_segment*2.0*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(r*cos(current_angle), r*sin(current_angle), 0));
}
face.inner.push_back(cgal_wire_t());
for (int current_segment = 0; current_segment < segments; ++current_segment) {
double current_angle = current_segment*2.0*3.141592653589793/((double)segments);
face.inner.back().push_back(Kernel::Point_3((r-t)*cos(current_angle), (r-t)*sin(current_angle), 0));
}
if (has_position) {
IfcGeom::CgalKernel::convert(l->Position(), trsf2d);
for (auto &vertex: face.outer) {
vertex = vertex.transform(trsf2d);
}
}
return true;
}
bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcEllipseProfileDef* l, cgal_face_t& face) {
double rx = l->SemiAxis1() * getValue(GV_LENGTH_UNIT);
double ry = l->SemiAxis2() * getValue(GV_LENGTH_UNIT);