kindred/create
1
1
Fork 0
Code Issues 44 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

add method to project shape on mesh

Browse Source
This commit is contained in:
wmayer
2019-05-14 15:21:08 +02:00
parent 5104bc970d
commit 951f612022
3 changed files with 159 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
src/Mod/MeshPart/App/AppMeshPartPy.cpp
View File

@@ -63,7 +63,9 @@ public:
);
add_varargs_method("projectShapeOnMesh",&Module::projectShapeOnMesh,
"Projects a shape onto a mesh with a given maximum distance\n"
"projectShapeOnMesh(shape, mesh, float) -> polygon"
"projectShapeOnMesh(Shape, Mesh, float) -> polygon\n"
"or projects the shape in a given direction\n"
"projectShapeOnMesh(Shape, Mesh, Vector) -> list of polygons"
);
add_varargs_method("wireFromSegment",&Module::wireFromSegment,
"Create wire(s) from boundary of segment\n"
@@ -205,26 +207,61 @@ private:
{
PyObject *s, *m;
double maxDist;
if (!PyArg_ParseTuple(args.ptr(), "O!O!d", &Part::TopoShapePy::Type, &s,
&Mesh::MeshPy::Type, &m,
&maxDist))
throw Py::Exception();
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(s)->getTopoShapePtr()->getShape();
const Mesh::MeshObject* mesh = static_cast<Mesh::MeshPy*>(m)->getMeshObjectPtr();
MeshCore::MeshKernel kernel(mesh->getKernel());
kernel.Transform(mesh->getTransform());
if (PyArg_ParseTuple(args.ptr(), "O!O!d", &Part::TopoShapePy::Type, &s,
&Mesh::MeshPy::Type, &m,
&maxDist)) {
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(s)->getTopoShapePtr()->getShape();
const Mesh::MeshObject* mesh = static_cast<Mesh::MeshPy*>(m)->getMeshObjectPtr();
MeshCore::MeshKernel kernel(mesh->getKernel());
kernel.Transform(mesh->getTransform());
MeshProjection proj(kernel);
std::vector<MeshProjection::SplitEdge> rSplitEdges;
proj.projectToMesh(shape, maxDist, rSplitEdges);
MeshProjection proj(kernel);
std::vector<MeshProjection::PolyLine> polylines;
proj.projectToMesh(shape, maxDist, polylines);
Py::List list;
for (auto it : rSplitEdges) {
Py::Vector v(it.cPt);
list.append(v);
Py::List list;
for (auto it : polylines) {
Py::List poly;
for (auto jt : it.points) {
Py::Vector v(jt);
poly.append(v);
}
list.append(poly);
}
return list;
}
return list;
PyErr_Clear();
PyObject *v;
if (PyArg_ParseTuple(args.ptr(), "O!O!O!", &Part::TopoShapePy::Type, &s,
&Mesh::MeshPy::Type, &m,
&Base::VectorPy::Type, &v)) {
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(s)->getTopoShapePtr()->getShape();
const Mesh::MeshObject* mesh = static_cast<Mesh::MeshPy*>(m)->getMeshObjectPtr();
Base::Vector3d* vec = static_cast<Base::VectorPy*>(v)->getVectorPtr();
Base::Vector3f dir = Base::convertTo<Base::Vector3f>(*vec);
MeshCore::MeshKernel kernel(mesh->getKernel());
kernel.Transform(mesh->getTransform());
MeshProjection proj(kernel);
std::vector<MeshProjection::PolyLine> polylines;
proj.projectParallelToMesh(shape, dir, polylines);
Py::List list;
for (auto it : polylines) {
Py::List poly;
for (auto jt : it.points) {
Py::Vector v(jt);
poly.append(v);
}
list.append(poly);
}
return list;
}
throw Py::TypeError("Expected arguments are: Shape, Mesh, float or Vector");
}
Py::Object wireFromSegment(const Py::Tuple& args)
{