FreeCAD/src/Mod/Fem/App/FemMeshPyImp.cpp

435 lines
13 KiB
C++
Executable File

/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2009 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#include <stdexcept>
#include <SMESH_Gen.hxx>
#include <SMESH_Mesh.hxx>
#include <SMDS_VolumeTool.hxx>
#include <TopoDS_Shape.hxx>
#include <Base/VectorPy.h>
#include <Base/MatrixPy.h>
#include <Base/PlacementPy.h>
#include <Mod/Part/App/TopoShapePy.h>
#include <Mod/Part/App/TopoShape.h>
#include "Mod/Fem/App/FemMesh.h"
// inclusion of the generated files (generated out of FemMeshPy.xml)
#include "FemMeshPy.h"
#include "FemMeshPy.cpp"
#include "HypothesisPy.h"
using namespace Fem;
// returns a string which represents the object e.g. when printed in python
std::string FemMeshPy::representation(void) const
{
std::stringstream str;
getFemMeshPtr()->getSMesh()->Dump(str);
return str.str();
}
PyObject *FemMeshPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
{
// create a new instance of FemMeshPy and the Twin object
return new FemMeshPy(new FemMesh);
}
// constructor method
int FemMeshPy::PyInit(PyObject* args, PyObject* /*kwd*/)
{
return 0;
}
// ===== Methods ============================================================
PyObject* FemMeshPy::setShape(PyObject *args)
{
PyObject *pcObj;
if (!PyArg_ParseTuple(args, "O!", &(Part::TopoShapePy::Type), &pcObj))
return 0;
try {
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(pcObj)->getTopoShapePtr()->_Shape;
getFemMeshPtr()->getSMesh()->ShapeToMesh(shape);
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::addHypothesis(PyObject *args)
{
PyObject* hyp;
PyObject* shp=0;
// Since we have not a common base class for the Python binding of the
// hypotheses classes we cannot pass a certain Python type
if (!PyArg_ParseTuple(args, "O|O!",&hyp, &(Part::TopoShapePy::Type), &shp))
return 0;
TopoDS_Shape shape;
if (shp == 0)
shape = getFemMeshPtr()->getSMesh()->GetShapeToMesh();
else
shape = static_cast<Part::TopoShapePy*>(shp)->getTopoShapePtr()->_Shape;
try {
Py::Object obj(hyp);
Fem::Hypothesis attr(obj.getAttr("this"));
SMESH_HypothesisPtr thesis = attr.extensionObject()->getHypothesis();
getFemMeshPtr()->addHypothesis(shape, thesis);
}
catch (const Py::Exception&) {
return 0;
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::setStanardHypotheses(PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
try {
getFemMeshPtr()->setStanardHypotheses();
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::compute(PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
try {
getFemMeshPtr()->compute();
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::addNode(PyObject *args)
{
double x,y,z;
if (!PyArg_ParseTuple(args, "ddd",&x,&y,&z))
return 0;
try {
SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
SMDS_MeshNode* node = meshDS->AddNode(x,y,z);
if (!node)
throw std::runtime_error("Failed to add node");
return Py::new_reference_to(Py::Int(node->GetID()));
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
}
PyObject* FemMeshPy::addEdge(PyObject *args)
{
int n1,n2;
if (!PyArg_ParseTuple(args, "ii",&n1,&n2))
return 0;
try {
SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
if (!node1 || !node2)
throw std::runtime_error("Failed to get node of the given indices");
SMDS_MeshEdge* edge = meshDS->AddEdge(node1, node2);
if (!edge)
throw std::runtime_error("Failed to add edge");
return Py::new_reference_to(Py::Int(edge->GetID()));
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
}
PyObject* FemMeshPy::addFace(PyObject *args)
{
int n1,n2,n3;
if (!PyArg_ParseTuple(args, "iii",&n1,&n2,&n3))
return 0;
try {
SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
const SMDS_MeshNode* node3 = meshDS->FindNode(n3);
if (!node1 || !node2 || !node3)
throw std::runtime_error("Failed to get node of the given indices");
SMDS_MeshFace* face = meshDS->AddFace(node1, node2, node3);
if (!face)
throw std::runtime_error("Failed to add face");
return Py::new_reference_to(Py::Int(face->GetID()));
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
}
PyObject* FemMeshPy::addQuad(PyObject *args)
{
int n1,n2,n3,n4;
if (!PyArg_ParseTuple(args, "iiii",&n1,&n2,&n3,&n4))
return 0;
try {
SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
const SMDS_MeshNode* node3 = meshDS->FindNode(n3);
const SMDS_MeshNode* node4 = meshDS->FindNode(n4);
if (!node1 || !node2 || !node3 || !node4)
throw std::runtime_error("Failed to get node of the given indices");
SMDS_MeshFace* face = meshDS->AddFace(node1, node2, node3, node4);
if (!face)
throw std::runtime_error("Failed to add quad");
return Py::new_reference_to(Py::Int(face->GetID()));
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
}
PyObject* FemMeshPy::addVolume(PyObject *args)
{
int n1,n2,n3,n4;
if (!PyArg_ParseTuple(args, "iiii",&n1,&n2,&n3,&n4))
return 0;
try {
SMESH_Mesh* mesh = getFemMeshPtr()->getSMesh();
SMESHDS_Mesh* meshDS = mesh->GetMeshDS();
const SMDS_MeshNode* node1 = meshDS->FindNode(n1);
const SMDS_MeshNode* node2 = meshDS->FindNode(n2);
const SMDS_MeshNode* node3 = meshDS->FindNode(n3);
const SMDS_MeshNode* node4 = meshDS->FindNode(n4);
if (!node1 || !node2 || !node3 || !node4)
throw std::runtime_error("Failed to get node of the given indices");
SMDS_MeshVolume* vol = meshDS->AddVolume(node1, node2, node3, node4);
if (!vol)
throw std::runtime_error("Failed to add volume");
return Py::new_reference_to(Py::Int(vol->GetID()));
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
}
PyObject* FemMeshPy::copy(PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
const FemMesh& mesh = *getFemMeshPtr();
return new FemMeshPy(new FemMesh(mesh));
}
PyObject* FemMeshPy::read(PyObject *args)
{
char* filename;
if (!PyArg_ParseTuple(args, "s", &filename))
return 0;
try {
getFemMeshPtr()->read(filename);
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::write(PyObject *args)
{
char* filename;
if (!PyArg_ParseTuple(args, "s", &filename))
return 0;
try {
getFemMeshPtr()->write(filename);
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::writeABAQUS(PyObject *args)
{
char* filename;
PyObject* plm=0;
if (!PyArg_ParseTuple(args, "s|O!", &filename, &(Base::PlacementPy::Type),&plm))
return 0;
try {
Base::Placement* placement = 0;
if (plm) {
placement = static_cast<Base::PlacementPy*>(plm)->getPlacementPtr();
}
getFemMeshPtr()->writeABAQUS(filename, placement);
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
PyObject* FemMeshPy::setTransform(PyObject *args)
{
PyObject* ptr;
if (!PyArg_ParseTuple(args, "O!", &(Base::PlacementPy::Type), &ptr))
return 0;
try {
Base::Placement* placement = static_cast<Base::PlacementPy*>(ptr)->getPlacementPtr();
Base::Matrix4D mat = placement->toMatrix();
getFemMeshPtr()->transformGeometry(mat);
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_Exception, e.what());
return 0;
}
Py_Return;
}
// ===== Atributes ============================================================
Py::Int FemMeshPy::getNodeCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbNodes());
}
Py::Int FemMeshPy::getEdgeCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbEdges());
}
Py::Int FemMeshPy::getFacesCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbFaces());
}
Py::Int FemMeshPy::getTriangleCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbTriangles());
}
Py::Int FemMeshPy::getQuadrangleCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbQuadrangles());
}
Py::Int FemMeshPy::getPolygonCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbPolygons());
}
Py::Int FemMeshPy::getVolumeCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbVolumes());
}
Py::Int FemMeshPy::getTetraCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbTetras());
}
Py::Int FemMeshPy::getHexaCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbHexas());
}
Py::Int FemMeshPy::getPyramidCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbPyramids());
}
Py::Int FemMeshPy::getPrismCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbPrisms());
}
Py::Int FemMeshPy::getPolyhedronCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbPolyhedrons());
}
Py::Int FemMeshPy::getSubMeshCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbSubMesh());
}
Py::Int FemMeshPy::getGroupCount(void) const
{
return Py::Int(getFemMeshPtr()->getSMesh()->NbGroup());
}
// ===== custom attributes ============================================================
PyObject *FemMeshPy::getCustomAttributes(const char* /*attr*/) const
{
return 0;
}
int FemMeshPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
return 0;
}