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Update implementation of IfcBSplineSurfaceWithKnots for IfcAdvancedFace in IFC4

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This commit is contained in:
Thomas Krijnen
2015-05-21 13:02:10 +00:00
parent 9b64c6f4b9
commit 7abe2df066
2 changed files with 13 additions and 45 deletions
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src/ifcgeom/IfcGeomFaces.cpp
+8 -42
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@@ -885,7 +885,7 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcDerivedProfileDef* l, TopoDS_S
#ifdef USE_IFC4
bool convert_surf(IfcSchema::IfcBSplineSurfaceWithKnots* l, Handle_Geom_Surface& surf) {
bool IfcGeom::Kernel::convert(const IfcSchema::IfcBSplineSurfaceWithKnots* l, TopoDS_Shape& face) {
SHARED_PTR< IfcTemplatedEntityListList<IfcSchema::IfcCartesianPoint> > cps = l->ControlPointsList();
std::vector<double> uknots = l->UKnots();
std::vector<double> vknots = l->VKnots();
@@ -926,52 +926,18 @@ bool convert_surf(IfcSchema::IfcBSplineSurfaceWithKnots* l, Handle_Geom_Surface&
for (std::vector<int>::const_iterator it = vmults.begin(); it != vmults.end(); ++it, ++i) {
VMults(i) = *it;
}
surf = new Geom_BSplineSurface(Poles, UKnots, VKnots, UMults, VMults, UDegree, VDegree);
Handle_Geom_Surface surf = new Geom_BSplineSurface(Poles, UKnots, VKnots, UMults, VMults, UDegree, VDegree);
face = BRepBuilderAPI_MakeFace(surf, getValue(GV_PRECISION));
return true;
}
bool convert_surf(IfcSchema::IfcPlane* l, Handle_Geom_Surface& surf) {
bool IfcGeom::Kernel::convert(const IfcSchema::IfcPlane* l, TopoDS_Shape& face) {
gp_Pln pln;
convert(l, pln);
surf = new Geom_Plane(pln);
return true;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcAdvancedFace* l, TopoDS_Shape& face) {
IfcSchema::IfcSurface* s = l->FaceSurface();
Handle_Geom_Surface surf(0);
if (s->is(IfcSchema::Type::IfcBSplineSurfaceWithKnots)) {
convert_surf((IfcSchema::IfcBSplineSurfaceWithKnots*)s, surf);
} else if (s->is(IfcSchema::Type::IfcPlane)) {
convert_surf((IfcSchema::IfcPlane*)s, surf);
} else {
return false;
}
BRepBuilderAPI_MakeFace mf(surf, Precision::Confusion());
IfcSchema::IfcFaceBound::list::ptr bounds = l->Bounds();
for (IfcSchema::IfcFaceBound::list::it it = bounds->begin(); it != bounds->end(); ++it) {
IfcSchema::IfcLoop* loop = (*it)->Bound();
TopoDS_Wire outer_wire;
if (!convert_wire(loop, outer_wire)) return false;
TopoDS_Face temp = BRepBuilderAPI_MakeFace(surf, outer_wire);
if (BRepCheck_Face(temp).OrientationOfWires() == BRepCheck_BadOrientationOfSubshape) {
outer_wire.Reverse();
ShapeFix_Face fix(BRepBuilderAPI_MakeFace(surf, outer_wire).Face());
fix.FixOrientation();
fix.Perform();
TopoDS_Face temp = fix.Face();
TopExp_Explorer exp(temp, TopAbs_WIRE);
outer_wire = TopoDS::Wire(exp.Current());
}
mf.Add(outer_wire);
}
face = mf.Face();
Handle_Geom_Surface surf = new Geom_Plane(pln);
face = BRepBuilderAPI_MakeFace(surf, getValue(GV_PRECISION));
return true;
}