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define curve from Python for 2D geometry (e.g. airfoil profile)

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Joachim Schöberl 2019-05-13 08:43:54 +02:00
parent 84f453a4be
commit ed5779df05
1 changed files with 41 additions and 0 deletions
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41
libsrc/geom2d/python_geom2d.cpp
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@ -138,6 +138,47 @@ DLL_HEADER void ExportGeom2d(py::module &m)
self.AppendSegment(seg); self.AppendSegment(seg);
}), py::arg("point_indices"), py::arg("leftdomain") = 1, py::arg("rightdomain") = py::int_(0)) }), py::arg("point_indices"), py::arg("leftdomain") = 1, py::arg("rightdomain") = py::int_(0))
.def("AddCurve",
[] (SplineGeometry2d & self, py::object func,
int leftdomain, int rightdomain, py::object bc, double maxh)
{
int n = 1000;
Array<Point<2>> points;
for (int i = 0; i <= n; i++)
{
double t = double(i)/n;
py::tuple xy = func(t);
double x = py::cast<double>(xy[0]);
double y = py::cast<double>(xy[1]);
points.Append (Point<2>(x,y));
}
auto spline = new DiscretePointsSeg<2> (points);
SplineSegExt * spex = new SplineSegExt (*spline);
spex -> leftdom = leftdomain;
spex -> rightdom = rightdomain;
spex->hmax = maxh;
spex->reffak = 1;
spex->copyfrom = -1;
if (py::extract<int>(bc).check())
spex->bc = py::extract<int>(bc)();
else if (py::extract<string>(bc).check())
{
string bcname = py::extract<string>(bc)();
spex->bc = self.GetNSplines()+1;
self.SetBCName(spex->bc, bcname);
}
else
spex->bc = self.GetNSplines()+1;
self.AppendSegment (spex);
}, py::arg("func"), py::arg("leftdomain") = 1, py::arg("rightdomain") = py::int_(0),
py::arg("bc")=NGDummyArgument(), py::arg("maxh")=1e99,
"Curve is given as parametrization on the interval [0,1]")
.def("SetMaterial", &SplineGeometry2d::SetMaterial) .def("SetMaterial", &SplineGeometry2d::SetMaterial)
.def("SetDomainMaxH", &SplineGeometry2d::SetDomainMaxh) .def("SetDomainMaxH", &SplineGeometry2d::SetDomainMaxh)