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Fix #498

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This commit is contained in:
Thomas Krijnen
2018-11-19 14:56:21 +01:00
parent 3643f8ee57
commit c6b72924d3
1 changed files with 19 additions and 1 deletions
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src/ifcgeom/IfcGeomWires.cpp
+19 -1
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@@ -91,6 +91,10 @@
#include <TopTools_ListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <BRepAdaptor_CompCurve.hxx>
#include <BRepAdaptor_HCompCurve.hxx>
#include <Approx_Curve3d.hxx>
#include "../ifcgeom/IfcGeom.h"
namespace {
@@ -419,7 +423,21 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcTrimmedCurve* l, TopoDS_Wire&
double parameterFactor = isConic ? getValue(GV_PLANEANGLE_UNIT) : getValue(GV_LENGTH_UNIT);
Handle(Geom_Curve) curve;
if ( !convert_curve(basis_curve,curve) ) return false;
if (shape_type(basis_curve) == ST_CURVE) {
if (!convert_curve(basis_curve, curve)) return false;
} else if (shape_type(basis_curve) == ST_WIRE) {
Logger::Warning("Approximating BasisCurve due to possible discontinuities", l->entity);
TopoDS_Wire w;
if (!convert_wire(basis_curve, w)) return false;
BRepAdaptor_CompCurve cc(w, true);
Handle(Adaptor3d_HCurve) hcc = Handle(Adaptor3d_HCurve)(new BRepAdaptor_HCompCurve(cc));
// @todo, arbitrary numbers here, note they cannot be too high as contiguous memory is allocated based on them.
Approx_Curve3d approx(hcc, getValue(GV_PRECISION), GeomAbs_C0, 10, 10);
curve = approx.Curve();
} else {
Logger::Error("Unknown BasisCurve", l->entity);
return false;
}
bool trim_cartesian = l->MasterRepresentation() != IfcSchema::IfcTrimmingPreference::IfcTrimmingPreference_PARAMETER;
IfcEntityList::ptr trims1 = l->Trim1();