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Get node of face implementation

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This commit is contained in:
jriegel 2014-02-08 14:09:45 +01:00
parent 1ec10333f2
commit 1341c43e5f
2 changed files with 29 additions and 2 deletions
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22
src/Mod/Fem/App/FemMesh.cpp
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@ -30,6 +30,7 @@
# include <Bnd_Box.hxx>
# include <BRepBndLib.hxx>
# include <BRepAlgo_NormalProjection.hxx>
# include <gp_Pnt.hxx>
#endif
#include <Base/Writer.h>
@ -326,6 +327,7 @@ SMESH_Mesh* FemMesh::getSMesh()
return myMesh;
}
SMESH_Gen * FemMesh::getGenerator()
{
return myGen;
@ -404,6 +406,26 @@ std::set<long> FemMesh::getSurfaceNodes(const TopoDS_Face &face)const
std::set<long> result;
const SMESHDS_Mesh* data = myMesh->GetMeshDS();
Bnd_Box box;
BRepBndLib::Add(face, box);
// get the actuall transform of the FemMesh
const Base::Matrix4D Mtrx(getTransform());
SMDS_NodeIteratorPtr aNodeIter = myMesh->GetMeshDS()->nodesIterator();
for (int i=0;aNodeIter->more();i++) {
const SMDS_MeshNode* aNode = aNodeIter->next();
Base::Vector3d vec(aNode->X(),aNode->Y(),aNode->Z());
// Apply the matrix to hold the BoundBox in absolute space.
vec = Mtrx * vec;
if(!box.IsOut(gp_Pnt(vec.x,vec.y,vec.z))){
result.insert(aNode->GetID());
}
}
BRepAlgo_NormalProjection algo;

9
src/Mod/Fem/App/FemMeshPyImp.cpp
View File

@ -30,6 +30,7 @@
#include <TopoDS_Shape.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS.hxx>
#include <Base/VectorPy.h>
#include <Base/MatrixPy.h>
@ -534,13 +535,17 @@ PyObject* FemMeshPy::getNodesByFace(PyObject *args)
try {
const TopoDS_Shape& sh = static_cast<Part::TopoShapeFacePy*>(pW)->getTopoShapePtr()->_Shape;
const TopoDS_Face& fc = TopoDS::Face(sh);
if (sh.IsNull()) {
PyErr_SetString(PyExc_Exception, "Face is empty");
return 0;
}
Py::List ret;
throw Py::Exception("Not yet implemented");
std::set<long> resultSet = getFemMeshPtr()->getSurfaceNodes(fc);
for( std::set<long>::const_iterator it = resultSet.begin();it!=resultSet.end();++it)
ret.append(Py::Int(*it));
return Py::new_reference_to(ret);
}
catch (Standard_Failure) {