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I profiles (untested)

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This commit is contained in:
Ken Arroyo Ohori
2017-03-08 20:11:45 -06:00
parent e922212357
commit 15e4e1952f
2 changed files with 84 additions and 5 deletions
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src/ifcgeom/kernels/cgal/CgalEntityMapping.h
+1
View File
@@ -59,6 +59,7 @@ FACE(IfcRectangleProfileDef);
FACE(IfcTrapeziumProfileDef);
FACE(IfcEllipseProfileDef);
FACE(IfcCShapeProfileDef);
FACE(IfcIShapeProfileDef);
FACE(IfcLShapeProfileDef);
WIRE(IfcEdgeLoop);
src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
+83 -5
View File
@@ -571,9 +571,87 @@ bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcLShapeProfileDef* l, cgal_
}
return true;
// double coords[12] = {-x,-y, x,-y, x,-y+d-dy1, xx, xy, -x+d-dx1,y, -x,y};
// int fillets[3] = {2,3,4};
// double radii[3] = {f2,f1,f2};
// return profile_helper(6,coords,doFillet ? 3 : 0,fillets,radii,trsf2d,face);
}
// TODO: Untested
bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcIShapeProfileDef* l, cgal_face_t& face) {
const double x1 = l->OverallWidth() / 2.0f * getValue(GV_LENGTH_UNIT);
const double y = l->OverallDepth() / 2.0f * getValue(GV_LENGTH_UNIT);
const double d1 = l->WebThickness() / 2.0f * getValue(GV_LENGTH_UNIT);
const double dy1 = l->FlangeThickness() * getValue(GV_LENGTH_UNIT);
bool doFillet1 = l->hasFilletRadius();
double f1 = 0.;
if ( doFillet1 ) {
f1 = l->FilletRadius() * getValue(GV_LENGTH_UNIT);
}
bool doFillet2 = doFillet1;
double x2 = x1, dy2 = dy1, f2 = f1;
if (l->is(IfcSchema::Type::IfcAsymmetricIShapeProfileDef)) {
IfcSchema::IfcAsymmetricIShapeProfileDef* assym = (IfcSchema::IfcAsymmetricIShapeProfileDef*) l;
x2 = assym->TopFlangeWidth() / 2. * getValue(GV_LENGTH_UNIT);
doFillet2 = assym->hasTopFlangeFilletRadius();
if (doFillet2) {
f2 = assym->TopFlangeFilletRadius() * getValue(GV_LENGTH_UNIT);
}
if (assym->hasTopFlangeThickness()) {
dy2 = assym->TopFlangeThickness() * getValue(GV_LENGTH_UNIT);
}
}
if ( x1 < ALMOST_ZERO || x2 < ALMOST_ZERO || y < ALMOST_ZERO || d1 < ALMOST_ZERO || dy1 < ALMOST_ZERO || dy2 < 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();
face.outer.push_back(Kernel::Point_3(-x1, -y, 0.0));
face.outer.push_back(Kernel::Point_3(x1, -y, 0.0));
face.outer.push_back(Kernel::Point_3(x1, -y+dy1, 0.0));
if (f1 == 0.0) {
face.outer.push_back(Kernel::Point_3(d1, -y+dy1, 0.0));
face.outer.push_back(Kernel::Point_3(d1, y-dy2, 0.0));
} else {
for (int current_segment = segments; current_segment >= 0; --current_segment) {
double current_angle = 1.0*3.141592653589793+current_segment*0.5*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(d1+f1+f1*cos(current_angle), -y+dy1+f1+f1*sin(current_angle), 0));
} for (int current_segment = segments; current_segment >= 0; --current_segment) {
double current_angle = 0.5*3.141592653589793+current_segment*0.5*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(d1+f1+f1*cos(current_angle), y-dy2-f1+f1*sin(current_angle), 0));
}
} face.outer.push_back(Kernel::Point_3(x2, y-dy2, 0.0));
face.outer.push_back(Kernel::Point_3(x2, y, 0.0));
face.outer.push_back(Kernel::Point_3(-x2, y, 0.0));
face.outer.push_back(Kernel::Point_3(-x2, y-dy2, 0.0));
if (f2 == 0.0) {
face.outer.push_back(Kernel::Point_3(-d1, y-dy2, 0.0));
face.outer.push_back(Kernel::Point_3(-d1, -y+dy1, 0.0));
} else {
for (int current_segment = segments; current_segment >= 0; --current_segment) {
double current_angle = current_segment*0.5*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(-d1-f2+f2*cos(current_angle), y-dy2-f2+f2*sin(current_angle), 0));
} for (int current_segment = segments; current_segment >= 0; --current_segment) {
double current_angle = 1.5*3.141592653589793+current_segment*0.5*3.141592653589793/((double)segments);
face.outer.push_back(Kernel::Point_3(-d1-f2+f2*cos(current_angle), -y+dy1+f2+f2*sin(current_angle), 0));
}
} face.outer.push_back(Kernel::Point_3(-x1, -y+dy1, 0.0));
if (has_position) {
IfcGeom::CgalKernel::convert(l->Position(), trsf2d);
for (auto &vertex: face.outer) {
vertex = vertex.transform(trsf2d);
}
}
return true;
}