Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-19 11:43:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

Only add faces to shells that have a surface area larger than some threshold value

Browse Source
This commit is contained in:
Thomas Krijnen
2012-04-07 14:34:44 +00:00
parent aa7a290ea1
commit b2b51e343f
4 changed files with 45 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcgeom/IfcGeomShapes.cpp
+6 -4
View File
@@ -296,10 +296,12 @@ bool IfcGeom::convert(const Ifc2x3::IfcConnectedFaceSet::ptr l, TopoDS_Shape& sh
const unsigned int num_faces = faces->Size();
if ( Ifc::SewShells && num_faces < MAX_FACES_TO_SEW ) {
BRepOffsetAPI_Sewing builder;
builder.SetTolerance(0.01);
builder.SetTolerance(POINT_EQUALITY_TOLERANCE);
builder.SetMaxTolerance(POINT_EQUALITY_TOLERANCE);
builder.SetMinTolerance(POINT_EQUALITY_TOLERANCE);
for( Ifc2x3::IfcFace::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) ) {
if ( IfcGeom::convert_face(*it,face) && face_area(face) > MINIMAL_FACE_AREA ) {
builder.Add(face);
facesAdded = true;
} else {
@@ -311,7 +313,7 @@ bool IfcGeom::convert(const Ifc2x3::IfcConnectedFaceSet::ptr l, TopoDS_Shape& sh
shape = builder.SewedShape();
try {
ShapeFix_Solid solid;
solid.LimitTolerance(0.01);
solid.LimitTolerance(POINT_EQUALITY_TOLERANCE);
shape = solid.SolidFromShell(TopoDS::Shell(shape));
} catch(...) {}
} else {
@@ -320,7 +322,7 @@ bool IfcGeom::convert(const Ifc2x3::IfcConnectedFaceSet::ptr l, TopoDS_Shape& sh
builder.MakeCompound(compound);
for( Ifc2x3::IfcFace::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) ) {
if ( IfcGeom::convert_face(*it,face) && face_area(face) > MINIMAL_FACE_AREA ) {
builder.Add(compound,face);
facesAdded = true;
} else {