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Applied Patch #3509752 by mv2ax

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Made the sewing of TopoDS_Shells into a IfcGeomObjects::Setting
Limit the maximum number of faces a shell to be sewed
This commit is contained in:
Thomas Krijnen
2012-03-23 17:38:44 +00:00
parent df2bcecf96
commit a9bba39b9d
9 changed files with 96 additions and 51 deletions
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src/ifcgeom/IfcGeomShapes.cpp
+35 -33
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@@ -71,8 +71,6 @@
#include <ShapeFix_ShapeTolerance.hxx>
#include <ShapeFix_Solid.hxx>
#include <BRepFilletAPI_MakeFillet2d.hxx>
#include <TopLoc_Location.hxx>
#include <BRepCheck_Analyzer.hxx>
@@ -293,41 +291,45 @@ bool IfcGeom::convert(const Ifc2x3::IfcBooleanClippingResult::ptr l, TopoDS_Shap
}
bool IfcGeom::convert(const Ifc2x3::IfcConnectedFaceSet::ptr l, TopoDS_Shape& shape) {
#ifdef FACESET_AS_COMPOUND
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
#else
BRepOffsetAPI_Sewing builder;
builder.SetTolerance(0.01);
#endif
Ifc2x3::IfcFace::list faces = l->CfsFaces();
bool facesAdded = false;
for( Ifc2x3::IfcFace::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) ) {
#ifdef FACESET_AS_COMPOUND
builder.Add(compound,face);
#else
builder.Add(face);
#endif
facesAdded = true;
} else {
Ifc::LogMessage("Warning","Invalid face:",(*it)->entity);
const unsigned int num_faces = faces->Size();
if ( Ifc::SewShells && num_faces < MAX_FACES_TO_SEW ) {
BRepOffsetAPI_Sewing builder;
builder.SetTolerance(0.01);
for( Ifc2x3::IfcFace::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) ) {
builder.Add(face);
facesAdded = true;
} else {
Ifc::LogMessage("Warning","Invalid face:",(*it)->entity);
}
}
if ( ! facesAdded ) return false;
builder.Perform();
shape = builder.SewedShape();
try {
ShapeFix_Solid solid;
solid.LimitTolerance(0.01);
shape = solid.SolidFromShell(TopoDS::Shell(shape));
} catch(...) {}
} else {
TopoDS_Compound compound;
BRep_Builder builder;
builder.MakeCompound(compound);
for( Ifc2x3::IfcFace::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) ) {
builder.Add(compound,face);
facesAdded = true;
} else {
Ifc::LogMessage("Warning","Invalid face:",(*it)->entity);
}
}
if ( ! facesAdded ) return false;
shape = compound;
}
if ( ! facesAdded ) return false;
#ifdef FACESET_AS_COMPOUND
shape = compound;
#else
builder.Perform();
shape = builder.SewedShape();
try {
ShapeFix_Solid solid;
solid.LimitTolerance(0.01);
shape = solid.SolidFromShell(TopoDS::Shell(shape));
} catch(...) {}
#endif
return true;
}
bool IfcGeom::convert(const Ifc2x3::IfcMappedItem::ptr l, ShapeList& shapes) {