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Geometry serialization (#71)

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Serialize geometry to IFC instances directly from a TopoDS_Shape
This commit is contained in:
Thomas Krijnen
2016-06-22 15:03:18 +02:00
committed by GitHub
parent 90ad3a4a93
commit aebb9e324b
18 changed files with 1161 additions and 206 deletions
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src/ifcgeom/IfcGeomWires.cpp
+31 -17
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@@ -83,6 +83,9 @@
#include <ShapeFix_ShapeTolerance.hxx>
#include <ShapeFix_Solid.hxx>
#include <Geom_BSplineCurve.hxx>
#include <BRepTools_WireExplorer.hxx>
#include "../ifcgeom/IfcGeom.h"
bool IfcGeom::Kernel::convert(const IfcSchema::IfcCompositeCurve* l, TopoDS_Wire& wire) {
@@ -390,29 +393,46 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcEdgeCurve* l, TopoDS_Wire& res
result = mw;
return true;
} else if (is_bounded && convert_wire(l->EdgeGeometry(), result)) {
if (!l->SameSense()) std::swap(pnt1, pnt2);
TopExp_Explorer exp(result, TopAbs_EDGE);
if (!l->SameSense()) {
result.Reverse();
}
bool first = true;
TopExp_Explorer exp(result, TopAbs_EDGE);
while (exp.More()) {
const TopoDS_Edge& ed = TopoDS::Edge(exp.Current());
Standard_Real u1, u2;
Handle(Geom_Curve) ecrv = BRep_Tool::Curve(ed, u1, u2);
exp.Next();
const bool last = !exp.More();
first = false;
gp_Pnt a, b;
if (first && last) {
mw.Add(BRepBuilderAPI_MakeEdge(ecrv, p1, p2));
a = p1;
b = p2;
} else if (first) {
gp_Pnt pu;
ecrv->D0(u2, pu);
mw.Add(BRepBuilderAPI_MakeEdge(ecrv, p1, pu));
a = p1;
ecrv->D0(u2, b);
} else if (last) {
gp_Pnt pu;
ecrv->D0(u1, pu);
mw.Add(BRepBuilderAPI_MakeEdge(ecrv, pu, p2));
ecrv->D0(u1, a);
b = p2;
} else {
mw.Add(BRepBuilderAPI_MakeEdge(ecrv, u1, u2));
first = false;
continue;
}
BRep_Builder builder;
TopoDS_Vertex v1, v2;
/// @todo project first and emit warnings accordingly
builder.MakeVertex(v1, a, getValue(GV_PRECISION));
builder.MakeVertex(v2, b, getValue(GV_PRECISION));
mw.Add(BRepBuilderAPI_MakeEdge(ecrv, v1, v2));
first = false;
}
result = mw;
return true;
@@ -427,13 +447,7 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcEdgeLoop* l, TopoDS_Wire& resu
for (IfcSchema::IfcOrientedEdge::list::it it = li->begin(); it != li->end(); ++it) {
TopoDS_Wire w;
if (convert_wire(*it, w)) {
if (!(*it)->Orientation()) w.Reverse();
TopoDS_Iterator topoit(w, false);
for (; topoit.More(); topoit.Next()) {
const TopoDS_Edge& e = TopoDS::Edge(topoit.Value());
mw.Add(e);
}
// mw.Add(w);
mw.Add(TopoDS::Edge(TopoDS_Iterator(w).Value()));
}
}
result = mw;