282 lines
10 KiB
C++
282 lines
10 KiB
C++
/***************************************************************************
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* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.net> *
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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 <vtkAppendFilter.h>
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# include <vtkDataSetReader.h>
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# include <vtkImageData.h>
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# include <vtkRectilinearGrid.h>
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# include <vtkStructuredGrid.h>
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# include <vtkUnstructuredGrid.h>
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# include <vtkXMLImageDataReader.h>
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# include <vtkXMLPolyDataReader.h>
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# include <vtkXMLPUnstructuredGridReader.h>
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# include <vtkXMLRectilinearGridReader.h>
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# include <vtkXMLStructuredGridReader.h>
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# include <vtkXMLUnstructuredGridReader.h>
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#endif
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#include <Base/Console.h>
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#include "FemPostPipeline.h"
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#include "FemPostPipelinePy.h"
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#include "FemMesh.h"
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#include "FemMeshObject.h"
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#include "FemVTKTools.h"
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using namespace Fem;
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using namespace App;
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PROPERTY_SOURCE(Fem::FemPostPipeline, Fem::FemPostObject)
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const char* FemPostPipeline::ModeEnums[] = { "Serial", "Parallel", "Custom", nullptr };
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FemPostPipeline::FemPostPipeline()
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{
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ADD_PROPERTY_TYPE(Filter, (nullptr), "Pipeline", App::Prop_None, "The filter used in this pipeline");
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ADD_PROPERTY_TYPE(Functions, (nullptr), "Pipeline", App::Prop_Hidden, "The function provider which groups all pipeline functions");
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ADD_PROPERTY_TYPE(Mode, (long(2)), "Pipeline", App::Prop_None, "Selects the pipeline data transition mode.\n"
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"In serial, every filter gets the output of the previous one as input.\n"
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"In parallel, every filter gets the pipeline source as input.\n"
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"In custom, every filter keeps its input set by the user.");
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Mode.setEnums(ModeEnums);
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}
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FemPostPipeline::~FemPostPipeline()
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{
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}
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short FemPostPipeline::mustExecute() const
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{
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if (Mode.isTouched())
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return 1;
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return FemPostFilter::mustExecute();
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}
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DocumentObjectExecReturn* FemPostPipeline::execute() {
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//if we are the toplevel pipeline our data object is not created by filters, we are the main source
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if (!Input.getValue())
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return StdReturn;
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//now if we are a filter than our data object is created by the filter we hold
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//if we are in serial mode we just copy over the data of the last filter,
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//but if we are in parallel we need to combine all filter results
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if (Mode.getValue() == 0) {
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//serial
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Data.setValue(getLastPostObject()->Data.getValue());
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}
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else if (Mode.getValue() == 1) {
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//parallel, go through all filters and append the result
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const std::vector<App::DocumentObject*>& filters = Filter.getValues();
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std::vector<App::DocumentObject*>::const_iterator it = filters.begin();
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vtkSmartPointer<vtkAppendFilter> append = vtkSmartPointer<vtkAppendFilter>::New();
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for (; it != filters.end(); ++it) {
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append->AddInputDataObject(static_cast<FemPostObject*>(*it)->Data.getValue());
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}
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append->Update();
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Data.setValue(append->GetOutputDataObject(0));
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}
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return Fem::FemPostObject::execute();
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}
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bool FemPostPipeline::canRead(Base::FileInfo File) {
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if (File.hasExtension("vtk") ||
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// from FemResult only unstructural mesh is supported in femvtktoools.cpp
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File.hasExtension("vtp") ||
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File.hasExtension("vts") ||
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File.hasExtension("vtr") ||
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File.hasExtension("vti") ||
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File.hasExtension("vtu") ||
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File.hasExtension("pvtu"))
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return true;
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return false;
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}
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void FemPostPipeline::read(Base::FileInfo File) {
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// checking on the file
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if (!File.isReadable())
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throw Base::FileException("File to load not existing or not readable", File);
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if (File.hasExtension("vtu"))
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readXMLFile<vtkXMLUnstructuredGridReader>(File.filePath());
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else if (File.hasExtension("pvtu"))
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readXMLFile<vtkXMLPUnstructuredGridReader>(File.filePath());
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else if (File.hasExtension("vtp"))
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readXMLFile<vtkXMLPolyDataReader>(File.filePath());
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else if (File.hasExtension("vts"))
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readXMLFile<vtkXMLStructuredGridReader>(File.filePath());
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else if (File.hasExtension("vtr"))
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readXMLFile<vtkXMLRectilinearGridReader>(File.filePath());
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else if (File.hasExtension("vti"))
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readXMLFile<vtkXMLImageDataReader>(File.filePath());
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else if (File.hasExtension("vtk"))
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readXMLFile<vtkDataSetReader>(File.filePath());
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else
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throw Base::FileException("Unknown extension");
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}
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void FemPostPipeline::scale(double s)
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{
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Data.scale(s);
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}
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void FemPostPipeline::onChanged(const Property* prop)
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{
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if (prop == &Filter || prop == &Mode) {
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// if we are in custom mode the user is free to set the input
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// thus nothing needs to be done here
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if (Mode.getValue() == 2) // custom
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return;
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//we check if all connections are right and add new ones if needed
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std::vector<App::DocumentObject*> objs = Filter.getValues();
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if (objs.empty())
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return;
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std::vector<App::DocumentObject*>::iterator it = objs.begin();
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FemPostFilter* filter = static_cast<FemPostFilter*>(*it);
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//If we have a Input we need to ensure our filters are connected correctly
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if (Input.getValue()) {
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//the first filter is always connected to the input
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if (filter->Input.getValue() != Input.getValue())
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filter->Input.setValue(Input.getValue());
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//all the others need to be connected to the previous filter or the source, dependent on the mode
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++it;
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for (; it != objs.end(); ++it) {
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FemPostFilter* nextFilter = static_cast<FemPostFilter*>(*it);
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if (Mode.getValue() == 0) { //serial mode
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if (nextFilter->Input.getValue() != filter)
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nextFilter->Input.setValue(filter);
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}
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else { //Parallel mode
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if (nextFilter->Input.getValue() != Input.getValue())
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nextFilter->Input.setValue(Input.getValue());
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}
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filter = nextFilter;
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};
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}
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//if we have no input the filters are responsible of grabbing the pipeline data themself
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else {
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//the first filter must always grab the data
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if (filter->Input.getValue())
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filter->Input.setValue(nullptr);
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//all the others need to be connected to the previous filter or grab the data, dependent on mode
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++it;
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for (; it != objs.end(); ++it) {
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FemPostFilter* nextFilter = static_cast<FemPostFilter*>(*it);
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if (Mode.getValue() == 0) { //serial mode
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if (nextFilter->Input.getValue() != filter)
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nextFilter->Input.setValue(filter);
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}
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else { //Parallel mode
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if (nextFilter->Input.getValue())
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nextFilter->Input.setValue(nullptr);
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}
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filter = nextFilter;
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};
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}
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}
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App::GeoFeature::onChanged(prop);
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}
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void FemPostPipeline::recomputeChildren()
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{
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for (const auto &obj : Filter.getValues())
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obj->touch();
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}
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FemPostObject* FemPostPipeline::getLastPostObject() {
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if (Filter.getValues().empty())
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return this;
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return static_cast<FemPostObject*>(Filter.getValues().back());
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}
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bool FemPostPipeline::holdsPostObject(FemPostObject* obj) {
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std::vector<App::DocumentObject*>::const_iterator it = Filter.getValues().begin();
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for (; it != Filter.getValues().end(); ++it) {
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if (*it == obj)
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return true;
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}
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return false;
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}
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void FemPostPipeline::load(FemResultObject* res) {
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if (!res->Mesh.getValue()) {
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Base::Console().Log("Result mesh object is empty.\n");
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return;
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}
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if (!res->Mesh.getValue()->isDerivedFrom(Fem::FemMeshObject::getClassTypeId())) {
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Base::Console().Log("Result mesh object is not derived from Fem::FemMeshObject.\n");
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return;
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}
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//first copy the mesh over
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// ***************************
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const FemMesh& mesh = static_cast<FemMeshObject*>(res->Mesh.getValue())->FemMesh.getValue();
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vtkSmartPointer<vtkUnstructuredGrid> grid = vtkSmartPointer<vtkUnstructuredGrid>::New();
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FemVTKTools::exportVTKMesh(&mesh, grid);
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//Now copy the point data over
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// ***************************
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FemVTKTools::exportFreeCADResult(res, grid);
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Data.setValue(grid);
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}
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PyObject* FemPostPipeline::getPyObject()
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{
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if (PythonObject.is(Py::_None())) {
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// ref counter is set to 1
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PythonObject = Py::Object(new FemPostPipelinePy(this), true);
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}
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return Py::new_reference_to(PythonObject);
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}
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