329 lines
12 KiB
C++
329 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2008 Jürgen Riegel (juergen.riegel@web.de) *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <Python.h>
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# include <memory>
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#endif
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#include <CXX/Extensions.hxx>
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#include <CXX/Objects.hxx>
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#include <Base/Console.h>
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#include <Base/Tools.h>
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#include <Base/VectorPy.h>
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#include <Base/PlacementPy.h>
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#include <App/Application.h>
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#include <App/Document.h>
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#include <App/DocumentObject.h>
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#include <App/DocumentObjectPy.h>
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//#include <Mod/Mesh/App/Core/MeshKernel.h>
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//#include <Mod/Mesh/App/Core/Evaluation.h>
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//#include <Mod/Mesh/App/Core/Iterator.h>
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#include <SMESH_Gen.hxx>
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#include <SMESH_Group.hxx>
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#include <SMESHDS_Mesh.hxx>
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#include <SMDS_MeshNode.hxx>
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#include <StdMeshers_MaxLength.hxx>
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#include <StdMeshers_LocalLength.hxx>
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#include <StdMeshers_NumberOfSegments.hxx>
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#include <StdMeshers_AutomaticLength.hxx>
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#include <StdMeshers_TrianglePreference.hxx>
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#include <StdMeshers_MEFISTO_2D.hxx>
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#include <StdMeshers_Deflection1D.hxx>
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#include <StdMeshers_MaxElementArea.hxx>
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#include <StdMeshers_Regular_1D.hxx>
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#include <StdMeshers_QuadranglePreference.hxx>
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#include <StdMeshers_Quadrangle_2D.hxx>
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#include <StdMeshers_LengthFromEdges.hxx>
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#include <StdMeshers_NotConformAllowed.hxx>
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#include <StdMeshers_Arithmetic1D.hxx>
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#include "FemMesh.h"
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#include "FemMeshObject.h"
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#include "FemMeshPy.h"
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#ifdef FC_USE_VTK
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#include "FemPostPipeline.h"
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#include "FemVTKTools.h"
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#endif
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#include <cstdlib>
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#include <Standard_Real.hxx>
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#include <Base/Vector3D.h>
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#include <Mod/Part/App/OCCError.h>
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namespace Fem {
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class Module : public Py::ExtensionModule<Module>
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{
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public:
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Module() : Py::ExtensionModule<Module>("Fem")
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{
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add_varargs_method("open",&Module::open,
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"open(string) -- Create a new document and a Mesh::Import feature to load the file into the document."
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);
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add_varargs_method("insert",&Module::insert,
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"insert(string|mesh,[string]) -- Load or insert a mesh into the given or active document."
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);
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add_varargs_method("export",&Module::exporter,
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"export(list,string) -- Export a list of objects into a single file."
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);
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add_varargs_method("read",&Module::read,
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"Read a mesh from a file and returns a Mesh object."
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);
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#ifdef FC_USE_VTK
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add_varargs_method("readCfdResult",&Module::readCfdResult,
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"Read a CFD result from a file (file format detected from file suffix)"
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);
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add_varargs_method("writeResult",&Module::writeResult,
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"write a CFD or FEM result (auto detect) to a file (file format detected from file suffix)"
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);
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#endif
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add_varargs_method("show",&Module::show,
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"show(shape) -- Add the shape to the active document or create one if no document exists."
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);
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initialize("This module is the Fem module."); // register with Python
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}
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virtual ~Module() {}
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private:
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virtual Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args)
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{
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try {
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return Py::ExtensionModule<Module>::invoke_method_varargs(method_def, args);
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}
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catch (const Standard_Failure &e) {
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std::string str;
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Standard_CString msg = e.GetMessageString();
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str += typeid(e).name();
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str += " ";
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if (msg) {str += msg;}
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else {str += "No OCCT Exception Message";}
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throw Py::Exception(Part::PartExceptionOCCError, str);
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}
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catch (const Base::Exception &e) {
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throw Py::RuntimeError(e.what());
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}
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catch (const std::exception &e) {
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throw Py::RuntimeError(e.what());
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}
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}
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Py::Object open(const Py::Tuple& args)
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{
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char* Name;
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if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
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throw Py::Exception();
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std::string EncodedName = std::string(Name);
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PyMem_Free(Name);
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std::unique_ptr<FemMesh> mesh(new FemMesh);
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mesh->read(EncodedName.c_str());
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Base::FileInfo file(EncodedName.c_str());
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// create new document and add Import feature
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App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
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FemMeshObject *pcFeature = static_cast<FemMeshObject *>
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(pcDoc->addObject("Fem::FemMeshObject", file.fileNamePure().c_str()));
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pcFeature->Label.setValue(file.fileNamePure().c_str());
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pcFeature->FemMesh.setValuePtr(mesh.release());
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pcFeature->purgeTouched();
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return Py::None();
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}
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Py::Object insert(const Py::Tuple& args)
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{
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char* Name;
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const char* DocName = 0;
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if (!PyArg_ParseTuple(args.ptr(), "et|s","utf-8",&Name,&DocName))
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throw Py::Exception();
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std::string EncodedName = std::string(Name);
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PyMem_Free(Name);
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App::Document *pcDoc = 0;
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if (DocName)
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pcDoc = App::GetApplication().getDocument(DocName);
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else
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pcDoc = App::GetApplication().getActiveDocument();
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if (!pcDoc) {
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pcDoc = App::GetApplication().newDocument(DocName);
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}
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Base::FileInfo file(EncodedName.c_str());
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try {
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std::unique_ptr<FemMesh> mesh(new FemMesh);
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mesh->read(EncodedName.c_str());
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FemMeshObject *pcFeature = static_cast<FemMeshObject *>
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(pcDoc->addObject("Fem::FemMeshObject", file.fileNamePure().c_str()));
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pcFeature->Label.setValue(file.fileNamePure().c_str());
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pcFeature->FemMesh.setValuePtr(mesh.release());
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pcFeature->purgeTouched();
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}
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catch(Base::Exception& e) {
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#ifdef FC_USE_VTK
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if( FemPostPipeline::canRead(file) ) {
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FemPostPipeline *pcFeature = static_cast<FemPostPipeline *>
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(pcDoc->addObject("Fem::FemPostPipeline", file.fileNamePure().c_str()));
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pcFeature->Label.setValue(file.fileNamePure().c_str());
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pcFeature->read(file);
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pcFeature->touch();
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pcDoc->recomputeFeature(pcFeature);
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}
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else
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throw e;
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#else
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throw e;
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#endif
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}
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return Py::None();
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}
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Py::Object exporter(const Py::Tuple& args)
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{
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PyObject* object;
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char* Name;
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if (!PyArg_ParseTuple(args.ptr(), "Oet",&object,"utf-8",&Name))
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throw Py::Exception();
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std::string EncodedName = std::string(Name);
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PyMem_Free(Name);
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Py::Sequence list(object);
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Base::Type meshId = Base::Type::fromName("Fem::FemMeshObject");
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for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
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PyObject* item = (*it).ptr();
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if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
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App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
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if (obj->getTypeId().isDerivedFrom(meshId)) {
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static_cast<FemMeshObject*>(obj)->FemMesh.getValue().write(EncodedName.c_str());
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break;
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}
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}
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}
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return Py::None();
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}
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Py::Object read(const Py::Tuple& args)
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{
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char* Name;
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if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
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throw Py::Exception();
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std::string EncodedName = std::string(Name);
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PyMem_Free(Name);
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std::unique_ptr<FemMesh> mesh(new FemMesh);
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mesh->read(EncodedName.c_str());
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return Py::asObject(new FemMeshPy(mesh.release()));
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}
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#ifdef FC_USE_VTK
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Py::Object readCfdResult(const Py::Tuple& args)
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{
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char* fileName = NULL;
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char* objName = NULL;
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if (!PyArg_ParseTuple(args.ptr(), "et|et","utf-8", &fileName, "utf-8", &objName))
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throw Py::Exception();
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std::string EncodedName = std::string(fileName);
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PyMem_Free(fileName);
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std::string resName = std::string(objName);
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PyMem_Free(objName);
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if (resName.length())
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{
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App::Document* pcDoc = App::GetApplication().getActiveDocument();
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App::DocumentObject* obj = pcDoc->getObject(resName.c_str());
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FemVTKTools::readFluidicResult(EncodedName.c_str(), obj);
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}
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else
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FemVTKTools::readFluidicResult(EncodedName.c_str()); //assuming activeObject can hold Result
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return Py::None();
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}
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Py::Object writeResult(const Py::Tuple& args)
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{
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char* fileName = NULL;
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PyObject *pcObj = NULL;
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if (!PyArg_ParseTuple(args.ptr(), "et|O!","utf-8", &fileName, &(App::DocumentObjectPy::Type), &pcObj))
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throw Py::Exception();
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std::string EncodedName = std::string(fileName);
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PyMem_Free(fileName);
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if (!pcObj)
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{
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App::DocumentObjectPy* objpy= static_cast<App::DocumentObjectPy*>(pcObj);
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App::DocumentObject* obj = objpy->getDocumentObjectPtr();
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if (!obj)
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{
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App::Document* pcDoc = App::GetApplication().getActiveDocument();
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obj = pcDoc->getActiveObject();
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}
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FemVTKTools::readFluidicResult(EncodedName.c_str(), obj);
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}
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else
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FemVTKTools::writeResult(EncodedName.c_str());
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return Py::None();
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}
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#endif
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Py::Object show(const Py::Tuple& args)
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{
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PyObject *pcObj;
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if (!PyArg_ParseTuple(args.ptr(), "O!", &(FemMeshPy::Type), &pcObj))
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throw Py::Exception();
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App::Document *pcDoc = App::GetApplication().getActiveDocument();
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if (!pcDoc)
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pcDoc = App::GetApplication().newDocument();
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FemMeshPy* pShape = static_cast<FemMeshPy*>(pcObj);
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Fem::FemMeshObject *pcFeature = (Fem::FemMeshObject *)pcDoc->addObject("Fem::FemMeshObject", "Mesh");
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// copy the data
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//TopoShape* shape = new MeshObject(*pShape->getTopoShapeObjectPtr());
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pcFeature->FemMesh.setValue(*(pShape->getFemMeshPtr()));
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pcDoc->recompute();
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return Py::None();
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}
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};
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PyObject* initModule()
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{
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return (new Module)->module().ptr();
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}
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} // namespace Fem
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