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2d edges in svg serializer

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Thomas Krijnen
2017-12-11 11:18:37 +01:00
parent 39b0d11746
commit ce782cc784
1 changed files with 26 additions and 1 deletions
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src/ifcconvert/SvgSerializer.cpp
+26 -1
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@@ -44,10 +44,13 @@
#include <Geom_Curve.hxx>
#include <Geom_Line.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Ellipse.hxx>
#include <gp_Ax22d.hxx>
#include <Standard_Version.hxx>
#include <GeomAPI.hxx>
#include "../ifcparse/IfcGlobalId.h"
#include "SvgSerializer.h"
@@ -76,10 +79,32 @@ void SvgSerializer::write(path_object& p, const TopoDS_Wire& wire) {
double u1, u2;
Handle(Geom_Curve) curve = BRep_Tool::Curve(edge, u1, u2);
Handle(Geom2d_Curve) curve2d;
if (curve.IsNull()) {
TopLoc_Location loc;
Handle_Geom_Surface surf;
BRep_Tool::CurveOnSurface(edge, curve2d, surf, loc, u1, u2);
if (curve2d.IsNull()) {
Logger::Error("Failed to obtain 2d and 3d curve from edge");
continue;
}
Handle(Standard_Type) ty = curve->DynamicType();
Handle(Standard_Type) sty = surf->DynamicType();
if (sty != STANDARD_TYPE(Geom_Plane)) {
Logger::Error("Non-planar p-curves are not supported by this serializer");
continue;
}
gp_Pln pln = Handle(Geom_Plane)::DownCast(surf)->Pln();
curve = GeomAPI::To3d(curve2d, pln);
}
Handle(Standard_Type) ty = curve->DynamicType();
bool conical = (ty == STANDARD_TYPE(Geom_Circle) || ty == STANDARD_TYPE(Geom_Ellipse));
bool closed = ALMOST_THE_SAME(u1 + PI2, u2);
if (conical && closed) {
if (first) {
if (ty == STANDARD_TYPE(Geom_Circle)) {