PyObject* BSplineSurfacePy::reparametrize(PyObject * args)
{
int u,v;
double tol = 0.000001;
if (!PyArg_ParseTuple(args, "ii|d", &u, &v, &tol))
return 0;
// u,v must be at least 2
u = std::max<int>(u, 2);
v = std::max<int>(v, 2);
try {
Handle_Geom_BSplineSurface surf = Handle_Geom_BSplineSurface::DownCast
(getGeometryPtr()->handle());
double maxU = surf->UKnot(surf->NbUKnots()); // 1.0 if normalized surface
double maxV = surf->VKnot(surf->NbVKnots()); // 1.0 if normalized surface
GeomBSplineSurface* geom = new GeomBSplineSurface();
Handle_Geom_BSplineSurface spline = Handle_Geom_BSplineSurface::DownCast
(geom->handle());
for (int i=1; i<u-1; i++) {
double U = i * 1.0 / (u-1.0);
spline->InsertUKnot(U,i,tol,Standard_True);
}
for (int i=1; i<v-1; i++) {
double V = i * 1.0 / (v-1.0);
spline->InsertVKnot(V,i,tol,Standard_True);
}
for (int j=0; j<u; j++) {
double U = j * maxU / (u-1.0);
double newU = j * 1.0 / (u-1.0);
for (int k=0; k<v; k++) {
double V = k * maxV / (v-1.0);
double newV = k * 1.0 / (v-1.0);
// Get UV point and move new surface UV point
gp_Pnt point = surf->Value(U,V);
int ufirst, ulast, vfirst, vlast;
spline->MovePoint(newU, newV, point, j+1, j+1, k+1, k+1, ufirst, ulast, vfirst, vlast);
}
}
return new BSplineSurfacePy(geom);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
PyErr_SetString(PyExc_Exception, e->GetMessageString());
return 0;
}
}
PyObject* BSplineSurfacePy::movePoint(PyObject *args)
{
double U,V;
int uindex1, uindex2;
int vindex1, vindex2;
PyObject* pnt;
if (!PyArg_ParseTuple(args, "ddO!iiii", &U, &V, &(Base::VectorPy::Type),&pnt,
&uindex1, &uindex2,&vindex1, &vindex2))
return 0;
try {
Base::Vector3d p = static_cast<Base::VectorPy*>(pnt)->value();
Handle_Geom_BSplineSurface surf = Handle_Geom_BSplineSurface::DownCast
(getGeometryPtr()->handle());
int ufirst, ulast, vfirst, vlast;
surf->MovePoint(U, V, gp_Pnt(p.x,p.y,p.z), uindex1, uindex2, vindex1, vindex2,
ufirst, ulast, vfirst, vlast);
return Py_BuildValue("(iiii)",ufirst, ulast, vfirst, vlast);
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
PyErr_SetString(PyExc_Exception, e->GetMessageString());
return 0;
}
}