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Apply patch #3537663 by myueho: https://sourceforge.net/tracker/?func=detail&atid=2204968&aid=3537663&group_id=543113

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This commit is contained in:
Thomas Krijnen
2012-06-25 15:08:58 +00:00
parent 9a54a64311
commit 4975de6d74
5 changed files with 80 additions and 34 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+49 -8
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@@ -23,6 +23,8 @@
* *
********************************************************************************/
#include <cassert>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <gp_Dir.hxx>
@@ -88,9 +90,9 @@
bool IfcGeom::create_solid_from_compound(const TopoDS_Shape& compound, TopoDS_Shape& shape) {
BRepOffsetAPI_Sewing builder;
builder.SetTolerance(POINT_EQUALITY_TOLERANCE);
builder.SetMaxTolerance(POINT_EQUALITY_TOLERANCE);
builder.SetMinTolerance(POINT_EQUALITY_TOLERANCE);
builder.SetTolerance(GetValue(GV_POINT_EQUALITY_TOLERANCE));
builder.SetMaxTolerance(GetValue(GV_POINT_EQUALITY_TOLERANCE));
builder.SetMinTolerance(GetValue(GV_POINT_EQUALITY_TOLERANCE));
TopExp_Explorer exp(compound,TopAbs_FACE);
if ( ! exp.More() ) return false;
for ( ; exp.More(); exp.Next() ) {
@@ -101,7 +103,7 @@ bool IfcGeom::create_solid_from_compound(const TopoDS_Shape& compound, TopoDS_Sh
shape = builder.SewedShape();
try {
ShapeFix_Solid sf_solid;
sf_solid.LimitTolerance(POINT_EQUALITY_TOLERANCE);
sf_solid.LimitTolerance(GetValue(GV_POINT_EQUALITY_TOLERANCE));
shape = sf_solid.SolidFromShell(TopoDS::Shell(shape));
} catch(...) {}
return true;
@@ -369,8 +371,8 @@ bool IfcGeom::is_convex(const TopoDS_Wire& wire) {
edge_points.push_back(P2);
}
if ( edge_points.size() != 2 ) continue;
if ( edge_points[0].IsEqual(P1,POINT_EQUALITY_TOLERANCE)) neighbors.push_back(edge_points[1]);
else if ( edge_points[1].IsEqual(P1,POINT_EQUALITY_TOLERANCE)) neighbors.push_back(edge_points[0]);
if ( edge_points[0].IsEqual(P1,GetValue(GV_POINT_EQUALITY_TOLERANCE))) neighbors.push_back(edge_points[1]);
else if ( edge_points[1].IsEqual(P1, GetValue(GV_POINT_EQUALITY_TOLERANCE))) neighbors.push_back(edge_points[0]);
}
// There should be two of these
if ( neighbors.size() != 2 ) return false;
@@ -379,10 +381,10 @@ bool IfcGeom::is_convex(const TopoDS_Wire& wire) {
for ( TopExp_Explorer exp2(wire,TopAbs_VERTEX); exp2.More(); exp2.Next() ) {
TopoDS_Vertex V2 = TopoDS::Vertex(exp2.Current());
gp_Pnt P2 = BRep_Tool::Pnt(V2);
if ( P1.IsEqual(P2,POINT_EQUALITY_TOLERANCE) ) continue;
if ( P1.IsEqual(P2,GetValue(GV_POINT_EQUALITY_TOLERANCE)) ) continue;
bool found = false;
for( std::vector<gp_Pnt>::const_iterator it = neighbors.begin(); it != neighbors.end(); ++ it ) {
if ( (*it).IsEqual(P2,POINT_EQUALITY_TOLERANCE) ) { found = true; break; }
if ( (*it).IsEqual(P2,GetValue(GV_POINT_EQUALITY_TOLERANCE)) ) { found = true; break; }
}
if ( ! found ) non_neighbors.push_back(P2);
}
@@ -421,4 +423,43 @@ gp_Pnt IfcGeom::point_above_plane(const gp_Pln& pln, bool agree) {
} else {
return pln.Location().Translated(-pln.Axis().Direction());
}
}
static double deflection_tolerance = 0.001;
static double wire_creation_tolerance = 0.0001;
static double minimal_face_area = 0.000001;
static double point_equality_tolerance = 0.00001;
static double max_faces_to_sew = 1000;
void IfcGeom::SetValue(GeomValue var, double value) {
switch (var) {
case GV_DEFLECTION_TOLERANCE:
deflection_tolerance = value;
case GV_WIRE_CREATION_TOLERANCE:
wire_creation_tolerance = value;
case GV_MINIMAL_FACE_AREA:
minimal_face_area = value;
case GV_POINT_EQUALITY_TOLERANCE:
point_equality_tolerance = value;
case GV_MAX_FACES_TO_SEW:
max_faces_to_sew = value;
}
assert(!"never reach here");
}
double IfcGeom::GetValue(GeomValue var) {
switch (var) {
case GV_DEFLECTION_TOLERANCE:
return deflection_tolerance;
case GV_WIRE_CREATION_TOLERANCE:
return wire_creation_tolerance;
case GV_MINIMAL_FACE_AREA:
return minimal_face_area;
case GV_POINT_EQUALITY_TOLERANCE:
return point_equality_tolerance;
case GV_MAX_FACES_TO_SEW:
return max_faces_to_sew;
}
assert(!"never reach here");
return 0;
}