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1. Also emit Plan and Axis shape representations and IfcTopologyRepresentations if requested. 2. Add serialization for curves. 3. In Python add option to specify representation for which to generate shape.

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This commit is contained in:
Thomas Krijnen
2015-04-22 09:15:48 +00:00
parent 53f625346f
commit c97cf661a2
25 changed files with 495 additions and 112 deletions
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src/ifcgeom/IfcGeomWires.cpp
+63
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@@ -65,6 +65,8 @@
#include <TopoDS.hxx>
#include <TopoDS_Wire.hxx>
#include <TopoDS_Face.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopLoc_Location.hxx>
#include <TopTools_ListOfShape.hxx>
@@ -435,3 +437,64 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcEdgeLoop* l, TopoDS_Wire& resu
result = mw;
return true;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcEdge* l, TopoDS_Wire& result) {
if (!l->EdgeStart()->is(IfcSchema::Type::IfcVertexPoint) || !l->EdgeEnd()->is(IfcSchema::Type::IfcVertexPoint)) {
Logger::Message(Logger::LOG_ERROR, "Only IfcVertexPoints are supported for EdgeStart and -End", l->entity);
return false;
}
IfcSchema::IfcPoint* pnt1 = ((IfcSchema::IfcVertexPoint*) l->EdgeStart())->VertexGeometry();
IfcSchema::IfcPoint* pnt2 = ((IfcSchema::IfcVertexPoint*) l->EdgeEnd())->VertexGeometry();
if (!pnt1->is(IfcSchema::Type::IfcCartesianPoint) || !pnt2->is(IfcSchema::Type::IfcCartesianPoint)) {
Logger::Message(Logger::LOG_ERROR, "Only IfcCartesianPoints are supported for VertexGeometry", l->entity);
return false;
}
gp_Pnt p1, p2;
if (!convert(((IfcSchema::IfcCartesianPoint*)pnt1), p1) ||
!convert(((IfcSchema::IfcCartesianPoint*)pnt2), p2))
{
return false;
}
BRepBuilderAPI_MakeWire mw;
mw.Add(BRepBuilderAPI_MakeEdge(p1, p2));
result = mw.Wire();
return true;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcOrientedEdge* l, TopoDS_Wire& result) {
if (convert(l->EdgeElement(), result)) {
if (!l->Orientation()) {
result.Reverse();
}
return true;
} else {
return false;
}
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcSubedge* l, TopoDS_Wire& result) {
TopoDS_Wire temp;
if (convert(l->ParentEdge(), result) && convert((IfcSchema::IfcEdge*) l, temp)) {
TopExp_Explorer exp(result, TopAbs_EDGE);
TopoDS_Edge edge = TopoDS::Edge(exp.Current());
Standard_Real u1, u2;
Handle(Geom_Curve) crv = BRep_Tool::Curve(edge, u1, u2);
TopoDS_Vertex v1, v2;
TopExp::Vertices(temp, v1, v2);
BRepBuilderAPI_MakeWire mw;
mw.Add(BRepBuilderAPI_MakeEdge(crv, v1, v2));
result = mw.Wire();
return true;
} else {
return false;
}
}