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determine edge parameters where curve point will be projected onto a mesh edge

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This commit is contained in:
wmayer
2019-06-11 13:25:52 +02:00
parent 14debfd780
commit 88f91d621b
4 changed files with 135 additions and 6 deletions
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34
src/Mod/MeshPart/App/AppMeshPartPy.cpp
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@@ -24,6 +24,7 @@
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRepBuilderAPI_MakePolygon.hxx>
# include <TopoDS.hxx>
#endif
#include <CXX/Extensions.hxx>
@@ -61,6 +62,12 @@ public:
" upVector ((x, y, z) tuple):\n"
" MaxSize (float):\n"
);
add_varargs_method("findSectionParameters",&Module::findSectionParameters,
"Find the parameters of the edge where when projecting the corresponding point\n"
"will lie on an edge of the mesh\n"
"\n"
"findSectionParameters(Edge, Mesh, Vector) -> list\n"
);
add_keyword_method("projectShapeOnMesh",&Module::projectShapeOnMesh,
"Projects a shape onto a mesh with a given maximum distance\n"
"projectShapeOnMesh(Shape, Mesh, float) -> polygon\n"
@@ -208,6 +215,33 @@ private:
MeshPart::MeshAlgos::LoftOnCurve(M,aShape,poly,Base::Vector3f(x,y,z),size);
return Py::asObject(new Mesh::MeshPy(new Mesh::MeshObject(M)));
}
Py::Object findSectionParameters(const Py::Tuple& args)
{
PyObject *e, *m, *v;
if (!PyArg_ParseTuple(args.ptr(), "O!O!O!", &(Part::TopoShapeEdgePy::Type), &e,
&(Mesh::MeshPy::Type), &m,
&(Base::VectorPy::Type),&v))
throw Py::Exception();
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(e)->getTopoShapePtr()->getShape();
const Mesh::MeshObject* mesh = static_cast<Mesh::MeshPy*>(m)->getMeshObjectPtr();
MeshCore::MeshKernel kernel(mesh->getKernel());
kernel.Transform(mesh->getTransform());
Base::Vector3d* vec = static_cast<Base::VectorPy*>(v)->getVectorPtr();
Base::Vector3f dir = Base::convertTo<Base::Vector3f>(*vec);
MeshProjection proj(kernel);
std::set<double> parameters;
proj.findSectionParameters(TopoDS::Edge(shape), dir, parameters);
Py::List list;
for (auto it : parameters) {
Py::Float val(it);
list.append(val);
}
return list;
}
Py::Object projectShapeOnMesh(const Py::Tuple& args, const Py::Dict& kwds)
{
static char* kwds_maxdist[] = {"Shape", "Mesh", "MaxDistance", NULL};