Example #1
0
PyObject* BSplineCurvePy::isPeriodic(PyObject *args)
{
    if (!PyArg_ParseTuple(args, ""))
        return 0;
    Handle_Geom_BSplineCurve curve = Handle_Geom_BSplineCurve::DownCast
        (getGeometryPtr()->handle());
    Standard_Boolean val = curve->IsPeriodic();
    return PyBool_FromLong(val ? 1 : 0);
}
Example #2
0
Py::List BSplineCurvePy::getKnotSequence(void) const
{
    Handle_Geom_BSplineCurve curve = Handle_Geom_BSplineCurve::DownCast
        (getGeometryPtr()->handle());
    Standard_Integer m = 0;
    if (curve->IsPeriodic()) {
        // knots=poles+2*degree-mult(1)+2
        m = curve->NbPoles() + 2*curve->Degree() - curve->Multiplicity(1) + 2;
    }
    else {
        // knots=poles+degree+1
        for (int i=1; i<= curve->NbKnots(); i++)
            m += curve->Multiplicity(i);
    }

    TColStd_Array1OfReal k(1,m);
    curve->KnotSequence(k);
    Py::List list;
    for (Standard_Integer i=k.Lower(); i<=k.Upper(); i++) {
        list.append(Py::Float(k(i)));
    }
    return list;
}