int TopoShapeCompSolidPy::PyInit(PyObject* args, PyObject* /*kwd*/)
{
PyObject *pcObj;
if (!PyArg_ParseTuple(args, "O", &pcObj))
return -1;
BRep_Builder builder;
TopoDS_CompSolid Comp;
builder.MakeCompSolid(Comp);
try {
Py::Sequence list(pcObj);
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
if (PyObject_TypeCheck((*it).ptr(), &(Part::TopoShapeSolidPy::Type))) {
const TopoDS_Shape& sh = static_cast<TopoShapePy*>((*it).ptr())->
getTopoShapePtr()->_Shape;
if (!sh.IsNull())
builder.Add(Comp, sh);
}
}
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
PyErr_SetString(PyExc_Exception, e->GetMessageString());
return -1;
}
getTopoShapePtr()->_Shape = Comp;
return 0;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcExtrudedAreaSolid* l, TopoDS_Shape& shape) {
const double height = l->Depth() * getValue(GV_LENGTH_UNIT);
if (height < getValue(GV_PRECISION)) {
Logger::Message(Logger::LOG_ERROR, "Non-positive extrusion height encountered for:", l->entity);
return false;
}
TopoDS_Shape face;
if ( !convert_face(l->SweptArea(),face) ) return false;
gp_Trsf trsf;
IfcGeom::Kernel::convert(l->Position(),trsf);
gp_Dir dir;
convert(l->ExtrudedDirection(),dir);
shape.Nullify();
if (face.ShapeType() == TopAbs_COMPOUND) {
// For compounds (most likely the result of a IfcCompositeProfileDef)
// create a compound solid shape.
TopExp_Explorer exp(face, TopAbs_FACE);
TopoDS_CompSolid compound;
BRep_Builder builder;
builder.MakeCompSolid(compound);
int num_faces_extruded = 0;
for (; exp.More(); exp.Next(), ++num_faces_extruded) {
builder.Add(compound, BRepPrimAPI_MakePrism(exp.Current(), height*dir));
}
if (num_faces_extruded) {
shape = compound;
}
}
if (shape.IsNull()) {
shape = BRepPrimAPI_MakePrism(face, height*dir);
}
// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
// and therefore has a unit scale factor
shape.Move(trsf);
return ! shape.IsNull();
}
//=======================================================================
// function: MakeContainer
// purpose:
//=======================================================================
void GEOMAlgo_Tools3D::MakeContainer(const TopAbs_ShapeEnum theType,
TopoDS_Shape& theC)
{
BRep_Builder aBB;
//
switch(theType) {
case TopAbs_COMPOUND:{
TopoDS_Compound aC;
aBB.MakeCompound(aC);
theC=aC;
}
break;
//
case TopAbs_COMPSOLID:{
TopoDS_CompSolid aCS;
aBB.MakeCompSolid(aCS);
theC=aCS;
}
break;
//
case TopAbs_SOLID:{
TopoDS_Solid aSolid;
aBB.MakeSolid(aSolid);
theC=aSolid;
}
break;
//
//
case TopAbs_SHELL:{
TopoDS_Shell aShell;
aBB.MakeShell(aShell);
theC=aShell;
}
break;
//
case TopAbs_WIRE: {
TopoDS_Wire aWire;
aBB.MakeWire(aWire);
theC=aWire;
}
break;
//
default:
break;
}
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcExtrudedAreaSolid* l, TopoDS_Shape& shape) {
TopoDS_Shape face;
if ( !convert_face(l->SweptArea(),face) ) return false;
const double height = l->Depth() * getValue(GV_LENGTH_UNIT);
gp_Trsf trsf;
IfcGeom::Kernel::convert(l->Position(),trsf);
gp_Dir dir;
convert(l->ExtrudedDirection(),dir);
shape.Nullify();
if (face.ShapeType() == TopAbs_COMPOUND) {
// For compounds (most likely the result of a IfcCompositeProfileDef)
// create a compound solid shape.
TopExp_Explorer exp(face, TopAbs_FACE);
TopoDS_CompSolid compound;
BRep_Builder builder;
builder.MakeCompSolid(compound);
int num_faces_extruded = 0;
for (; exp.More(); exp.Next(), ++num_faces_extruded) {
builder.Add(compound, BRepPrimAPI_MakePrism(exp.Current(), height*dir));
}
if (num_faces_extruded) {
shape = compound;
}
}
if (shape.IsNull()) {
shape = BRepPrimAPI_MakePrism(face, height*dir);
}
shape.Move(trsf);
return ! shape.IsNull();
}
