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Geometry serialization (#71)

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Serialize geometry to IFC instances directly from a TopoDS_Shape
This commit is contained in:
Thomas Krijnen
2016-06-22 15:03:18 +02:00
committed by GitHub
parent 90ad3a4a93
commit aebb9e324b
18 changed files with 1161 additions and 206 deletions
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src/ifcgeom/IfcGeomFaces.cpp
+14 -7
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@@ -75,6 +75,7 @@
#include <BRepAlgoAPI_Cut.hxx>
#include <ShapeFix_Edge.hxx>
#include <ShapeFix_Shape.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <ShapeFix_Solid.hxx>
@@ -207,7 +208,8 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcFace* l, TopoDS_Shape& face) {
if (face_surface.IsNull()) {
mf = new BRepBuilderAPI_MakeFace(wire);
} else {
mf = new BRepBuilderAPI_MakeFace(face_surface, wire);
/// @todo check necessity of false here
mf = new BRepBuilderAPI_MakeFace(face_surface, wire, false);
}
/* BRepBuilderAPI_FaceError er = mf->Error();
@@ -221,13 +223,18 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcFace* l, TopoDS_Shape& face) {
if (mf->IsDone()) {
TopoDS_Face outer_face_bound = mf->Face();
// BRepCheck_Face might raise exceptions in case of face surfaces. Therefore fix orientation regardless.
// In case of (non-planar) face surface, p-curves need to be computed.
// For planar faces, Open Cascade generates p-curves on the fly.
if (!face_surface.IsNull()) {
ShapeFix_Face fix(outer_face_bound);
fix.FixOrientation();
fix.Perform();
outer_face_bound = fix.Face();
} else if (BRepCheck_Face(outer_face_bound).OrientationOfWires() == BRepCheck_BadOrientationOfSubshape) {
TopExp_Explorer exp(outer_face_bound, TopAbs_EDGE);
for (; exp.More(); exp.Next()) {
const TopoDS_Edge& edge = TopoDS::Edge(exp.Current());
ShapeFix_Edge fix_edge;
fix_edge.FixAddPCurve(edge, outer_face_bound, false, getValue(GV_PRECISION));
}
}
if (BRepCheck_Face(outer_face_bound).OrientationOfWires() == BRepCheck_BadOrientationOfSubshape) {
wire.Reverse();
same_sense = !same_sense;
delete mf;