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Rounded rectangles

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This commit is contained in:
Ken Arroyo Ohori
2017-03-06 11:12:06 -06:00
parent 64bc8e9d4f
commit 1bcc369c7a
2 changed files with 52 additions and 0 deletions
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src/ifcgeom/kernels/cgal/CgalEntityMapping.h
+1
View File
@@ -50,6 +50,7 @@ FACE(IfcArbitraryClosedProfileDef);
FACE(IfcCircleProfileDef);
FACE(IfcFace);
FACE(IfcRectangleProfileDef);
FACE(IfcRoundedRectangleProfileDef);
WIRE(IfcPolyLoop);
WIRE(IfcPolyline);
src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
+51
View File
@@ -41,6 +41,57 @@ bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcRectangleProfileDef* l, cg
return true;
}
// TODO: Untested
bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcRoundedRectangleProfileDef* l, cgal_face_t& face) {
const double x = l->XDim() / 2.0f * getValue(GV_LENGTH_UNIT);
const double y = l->YDim() / 2.0f * getValue(GV_LENGTH_UNIT);
const double r = l->RoundingRadius() * getValue(GV_LENGTH_UNIT);
if ( x < ALMOST_ZERO || y < ALMOST_ZERO || r < ALMOST_ZERO ) {
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 = 3;
face = cgal_face_t();
for (int current_segment = 0; current_segment <= segments; ++current_segment) {
double current_angle = current_segment*0.5*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(x-r+r*cos(current_angle), y-r+r*sin(current_angle), 0));
}
for (int current_segment = 0; current_segment <= segments; ++current_segment) {
double current_angle = (0.5*3.141592653589793+current_segment*0.5*3.141592653589793)/((double)segments);
face.outer.push_back(Kernel::Point_3(-x+r+r*cos(current_angle), y-r+r*sin(current_angle), 0));
}
for (int current_segment = 0; current_segment <= segments; ++current_segment) {
double current_angle = (1.0*3.141592653589793+current_segment*0.5*3.141592653589793)/((double)segments);
face.outer.push_back(Kernel::Point_3(-x+r+r*cos(current_angle), -y+r+r*sin(current_angle), 0));
}
for (int current_segment = 0; current_segment <= segments; ++current_segment) {
double current_angle = (1.5*3.141592653589793+current_segment*0.5*3.141592653589793)/((double)segments);
face.outer.push_back(Kernel::Point_3(x-r+r*cos(current_angle), -y+r+r*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::IfcCircleProfileDef* l, cgal_face_t& face) {
const double r = l->Radius() * getValue(GV_LENGTH_UNIT);
if ( r == 0.0f ) {