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Edge.getParameterByLength fix

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This commit is contained in:
tomate44
2018-02-14 18:46:35 +01:00
parent 3b80b34d60
commit 2ec68ac393
2 changed files with 16 additions and 10 deletions
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15
src/Mod/Part/App/TopoShapeEdgePyImp.cpp
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@@ -187,7 +187,8 @@ int TopoShapeEdgePy::PyInit(PyObject* args, PyObject* /*kwd*/)
PyObject* TopoShapeEdgePy::getParameterByLength(PyObject *args)
{
double u;
if (!PyArg_ParseTuple(args, "d",&u))
double t=Precision::Confusion();
if (!PyArg_ParseTuple(args, "d|d",&u,&t))
return 0;
const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->getShape());
@@ -197,15 +198,17 @@ PyObject* TopoShapeEdgePy::getParameterByLength(PyObject *args)
double first = BRepLProp_CurveTool::FirstParameter(adapt);
double last = BRepLProp_CurveTool::LastParameter(adapt);
if (!Precision::IsInfinite(first) && !Precision::IsInfinite(last)) {
double length = GCPnts_AbscissaPoint::Length(adapt);
double length = GCPnts_AbscissaPoint::Length(adapt,t);
if (u < 0 || u > length) {
if (u < -length || u > length) {
PyErr_SetString(PyExc_ValueError, "value out of range");
return 0;
}
double stretch = (last - first) / length;
u = first + u*stretch;
if (u < 0)
u = length+u;
GCPnts_AbscissaPoint abscissaPoint(t,adapt,u,first);
double parm = abscissaPoint.Parameter();
return PyFloat_FromDouble(parm);
}
return PyFloat_FromDouble(u);