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

329 lines
12 KiB
C++

/***************************************************************************
* Copyright (c) 2008 Jürgen Riegel (juergen.riegel@web.de) *
* *
* 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"
#ifndef _PreComp_
# include <Python.h>
# include <memory>
#endif
#include <CXX/Extensions.hxx>
#include <CXX/Objects.hxx>
#include <Base/Console.h>
#include <Base/Tools.h>
#include <Base/VectorPy.h>
#include <Base/PlacementPy.h>
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectPy.h>
//#include <Mod/Mesh/App/Core/MeshKernel.h>
//#include <Mod/Mesh/App/Core/Evaluation.h>
//#include <Mod/Mesh/App/Core/Iterator.h>
#include <SMESH_Gen.hxx>
#include <SMESH_Group.hxx>
#include <SMESHDS_Mesh.hxx>
#include <SMDS_MeshNode.hxx>
#include <StdMeshers_MaxLength.hxx>
#include <StdMeshers_LocalLength.hxx>
#include <StdMeshers_NumberOfSegments.hxx>
#include <StdMeshers_AutomaticLength.hxx>
#include <StdMeshers_TrianglePreference.hxx>
#include <StdMeshers_MEFISTO_2D.hxx>
#include <StdMeshers_Deflection1D.hxx>
#include <StdMeshers_MaxElementArea.hxx>
#include <StdMeshers_Regular_1D.hxx>
#include <StdMeshers_QuadranglePreference.hxx>
#include <StdMeshers_Quadrangle_2D.hxx>
#include <StdMeshers_LengthFromEdges.hxx>
#include <StdMeshers_NotConformAllowed.hxx>
#include <StdMeshers_Arithmetic1D.hxx>
#include "FemMesh.h"
#include "FemMeshObject.h"
#include "FemMeshPy.h"
#ifdef FC_USE_VTK
#include "FemPostPipeline.h"
#include "FemVTKTools.h"
#endif
#include <cstdlib>
#include <Standard_Real.hxx>
#include <Base/Vector3D.h>
#include <Mod/Part/App/OCCError.h>
namespace Fem {
class Module : public Py::ExtensionModule<Module>
{
public:
Module() : Py::ExtensionModule<Module>("Fem")
{
add_varargs_method("open",&Module::open,
"open(string) -- Create a new document and a Mesh::Import feature to load the file into the document."
);
add_varargs_method("insert",&Module::insert,
"insert(string|mesh,[string]) -- Load or insert a mesh into the given or active document."
);
add_varargs_method("export",&Module::exporter,
"export(list,string) -- Export a list of objects into a single file."
);
add_varargs_method("read",&Module::read,
"Read a mesh from a file and returns a Mesh object."
);
#ifdef FC_USE_VTK
add_varargs_method("readCfdResult",&Module::readCfdResult,
"Read a CFD result from a file (file format detected from file suffix)"
);
add_varargs_method("writeResult",&Module::writeResult,
"write a CFD or FEM result (auto detect) to a file (file format detected from file suffix)"
);
#endif
add_varargs_method("show",&Module::show,
"show(shape) -- Add the shape to the active document or create one if no document exists."
);
initialize("This module is the Fem module."); // register with Python
}
virtual ~Module() {}
private:
virtual Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args)
{
try {
return Py::ExtensionModule<Module>::invoke_method_varargs(method_def, args);
}
catch (const Standard_Failure &e) {
std::string str;
Standard_CString msg = e.GetMessageString();
str += typeid(e).name();
str += " ";
if (msg) {str += msg;}
else {str += "No OCCT Exception Message";}
throw Py::Exception(Part::PartExceptionOCCError, str);
}
catch (const Base::Exception &e) {
throw Py::RuntimeError(e.what());
}
catch (const std::exception &e) {
throw Py::RuntimeError(e.what());
}
}
Py::Object open(const Py::Tuple& args)
{
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
std::unique_ptr<FemMesh> mesh(new FemMesh);
mesh->read(EncodedName.c_str());
Base::FileInfo file(EncodedName.c_str());
// create new document and add Import feature
App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
FemMeshObject *pcFeature = static_cast<FemMeshObject *>
(pcDoc->addObject("Fem::FemMeshObject", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->FemMesh.setValuePtr(mesh.release());
pcFeature->purgeTouched();
return Py::None();
}
Py::Object insert(const Py::Tuple& args)
{
char* Name;
const char* DocName = 0;
if (!PyArg_ParseTuple(args.ptr(), "et|s","utf-8",&Name,&DocName))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
App::Document *pcDoc = 0;
if (DocName)
pcDoc = App::GetApplication().getDocument(DocName);
else
pcDoc = App::GetApplication().getActiveDocument();
if (!pcDoc) {
pcDoc = App::GetApplication().newDocument(DocName);
}
Base::FileInfo file(EncodedName.c_str());
try {
std::unique_ptr<FemMesh> mesh(new FemMesh);
mesh->read(EncodedName.c_str());
FemMeshObject *pcFeature = static_cast<FemMeshObject *>
(pcDoc->addObject("Fem::FemMeshObject", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->FemMesh.setValuePtr(mesh.release());
pcFeature->purgeTouched();
}
catch(Base::Exception& e) {
#ifdef FC_USE_VTK
if( FemPostPipeline::canRead(file) ) {
FemPostPipeline *pcFeature = static_cast<FemPostPipeline *>
(pcDoc->addObject("Fem::FemPostPipeline", file.fileNamePure().c_str()));
pcFeature->Label.setValue(file.fileNamePure().c_str());
pcFeature->read(file);
pcFeature->touch();
pcDoc->recomputeFeature(pcFeature);
}
else
throw e;
#else
throw e;
#endif
}
return Py::None();
}
Py::Object exporter(const Py::Tuple& args)
{
PyObject* object;
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "Oet",&object,"utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
Py::Sequence list(object);
Base::Type meshId = Base::Type::fromName("Fem::FemMeshObject");
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
PyObject* item = (*it).ptr();
if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
if (obj->getTypeId().isDerivedFrom(meshId)) {
static_cast<FemMeshObject*>(obj)->FemMesh.getValue().write(EncodedName.c_str());
break;
}
}
}
return Py::None();
}
Py::Object read(const Py::Tuple& args)
{
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
std::unique_ptr<FemMesh> mesh(new FemMesh);
mesh->read(EncodedName.c_str());
return Py::asObject(new FemMeshPy(mesh.release()));
}
#ifdef FC_USE_VTK
Py::Object readCfdResult(const Py::Tuple& args)
{
char* fileName = NULL;
char* objName = NULL;
if (!PyArg_ParseTuple(args.ptr(), "et|et","utf-8", &fileName, "utf-8", &objName))
throw Py::Exception();
std::string EncodedName = std::string(fileName);
PyMem_Free(fileName);
std::string resName = std::string(objName);
PyMem_Free(objName);
if (resName.length())
{
App::Document* pcDoc = App::GetApplication().getActiveDocument();
App::DocumentObject* obj = pcDoc->getObject(resName.c_str());
FemVTKTools::readFluidicResult(EncodedName.c_str(), obj);
}
else
FemVTKTools::readFluidicResult(EncodedName.c_str()); //assuming activeObject can hold Result
return Py::None();
}
Py::Object writeResult(const Py::Tuple& args)
{
char* fileName = NULL;
PyObject *pcObj = NULL;
if (!PyArg_ParseTuple(args.ptr(), "et|O!","utf-8", &fileName, &(App::DocumentObjectPy::Type), &pcObj))
throw Py::Exception();
std::string EncodedName = std::string(fileName);
PyMem_Free(fileName);
if (!pcObj)
{
App::DocumentObjectPy* objpy= static_cast<App::DocumentObjectPy*>(pcObj);
App::DocumentObject* obj = objpy->getDocumentObjectPtr();
if (!obj)
{
App::Document* pcDoc = App::GetApplication().getActiveDocument();
obj = pcDoc->getActiveObject();
}
FemVTKTools::readFluidicResult(EncodedName.c_str(), obj);
}
else
FemVTKTools::writeResult(EncodedName.c_str());
return Py::None();
}
#endif
Py::Object show(const Py::Tuple& args)
{
PyObject *pcObj;
if (!PyArg_ParseTuple(args.ptr(), "O!", &(FemMeshPy::Type), &pcObj))
throw Py::Exception();
App::Document *pcDoc = App::GetApplication().getActiveDocument();
if (!pcDoc)
pcDoc = App::GetApplication().newDocument();
FemMeshPy* pShape = static_cast<FemMeshPy*>(pcObj);
Fem::FemMeshObject *pcFeature = (Fem::FemMeshObject *)pcDoc->addObject("Fem::FemMeshObject", "Mesh");
// copy the data
//TopoShape* shape = new MeshObject(*pShape->getTopoShapeObjectPtr());
pcFeature->FemMesh.setValue(*(pShape->getFemMeshPtr()));
pcDoc->recompute();
return Py::None();
}
};
PyObject* initModule()
{
return (new Module)->module().ptr();
}
} // namespace Fem