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/*=========================================================================
Program: Visualization Toolkit
Module: vtkParticlePathFilter.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkParticlePathFilter.h"
#include "vtkCell.h"
#include "vtkCellArray.h"
#include "vtkDoubleArray.h"
#include "vtkFloatArray.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkIntArray.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkSetGet.h"
#include "vtkSmartPointer.h"
#include <vector>
vtkObjectFactoryNewMacro(vtkParticlePathFilter)
void ParticlePathFilterInternal::Initialize(vtkParticleTracerBase* filter)
{
this->Filter = filter;
this->Filter->SetForceReinjectionEveryNSteps(0);
this->Filter->SetIgnorePipelineTime(1);
this->ClearCache = false;
}
void ParticlePathFilterInternal::Reset()
{
this->Filter->vtkParticleTracerBase::ResetCache();
this->Paths.clear();
}
int ParticlePathFilterInternal::OutputParticles(vtkPolyData* particles)
{
if(!this->Filter->Output || this->ClearCache)
{
this->Filter->Output = vtkSmartPointer<vtkPolyData>::New();
this->Filter->Output->SetPoints(vtkSmartPointer<vtkPoints>::New());
this->Filter->Output->GetPointData()->CopyAllocate(particles->GetPointData());
}
if(this->ClearCache)
{ // clear cache no matter what
this->Paths.clear();
}
vtkPoints* pts = particles->GetPoints();
if(!pts || pts->GetNumberOfPoints()==0)
{
return 0;
}
vtkPointData* outPd = this->Filter->Output->GetPointData();
vtkPoints* outPoints = this->Filter->Output->GetPoints();
//Get the input arrays
vtkPointData* pd = particles->GetPointData();
vtkIntArray* particleIds = vtkArrayDownCast<vtkIntArray>(pd->GetArray("ParticleId"));
//Append the input arrays to the output arrays
int begin = outPoints->GetNumberOfPoints();
for(int i=0; i<pts->GetNumberOfPoints(); i++)
{
outPoints->InsertNextPoint(pts->GetPoint(i));
}
vtkDataSetAttributes::FieldList ptList(1);
ptList.InitializeFieldList(pd);
for(int i=0, j = begin; i<pts->GetNumberOfPoints(); i++,j++)
{
outPd->CopyData(ptList,pd,0,i,j);
}
//Augment the paths
for(vtkIdType i=0; i<pts->GetNumberOfPoints(); i++)
{
int outId = i+begin;
int pid = particleIds->GetValue(i);
for(int j= static_cast<int>(this->Paths.size()); j<=pid; j++)
{
this->Paths.push_back( vtkSmartPointer<vtkIdList>::New());
}
vtkIdList* path = this->Paths[pid];
#ifdef DEBUG
if(path->GetNumberOfIds()>0)
{
vtkFloatArray* outParticleAge = vtkArrayDownCast<vtkFloatArray>(outPd->GetArray("ParticleAge"));
if(outParticleAge->GetValue(outId) < outParticleAge->GetValue(path->GetId(path->GetNumberOfIds()-1)))
{
vtkOStrStreamWrapper vtkmsg;
vtkmsg << "ERROR: In " __FILE__ ", line " << __LINE__
<< "\n" << "): " <<" new particles have wrong ages"<< "\n\n";
}
}
#endif
path->InsertNextId(outId);
}
return 1;
}
void ParticlePathFilterInternal::Finalize()
{
this->Filter->Output->SetLines(vtkSmartPointer<vtkCellArray>::New());
vtkCellArray* outLines = this->Filter->Output->GetLines();
if(!outLines)
{
vtkOStrStreamWrapper vtkmsg;
vtkmsg << "ERROR: In " __FILE__ ", line " << __LINE__
<< "\n" << "): " <<" no lines in the output"<< "\n\n";
return;
}
for(unsigned int i=0; i<this->Paths.size(); i++)
{
if(this->Paths[i]->GetNumberOfIds()>1)
{
outLines->InsertNextCell(this->Paths[i]);
}
}
}
vtkParticlePathFilter::vtkParticlePathFilter()
{
this->It.Initialize(this);
this->SimulationTime = NULL;
this->SimulationTimeStep = NULL;
}
vtkParticlePathFilter::~vtkParticlePathFilter()
{
if(this->SimulationTime)
{
this->SimulationTime->Delete();
this->SimulationTime = NULL;
}
if(this->SimulationTimeStep)
{
this->SimulationTimeStep->Delete();
this->SimulationTimeStep = NULL;
}
}
void vtkParticlePathFilter::ResetCache()
{
Superclass::ResetCache();
this->It.Reset();
}
void vtkParticlePathFilter::PrintSelf(ostream& os, vtkIndent indent)
{
Superclass::PrintSelf(os,indent);
}
int vtkParticlePathFilter::OutputParticles(vtkPolyData* particles)
{
return this->It.OutputParticles(particles);
}
void vtkParticlePathFilter::InitializeExtraPointDataArrays(vtkPointData* outputPD)
{
if(this->SimulationTime == NULL)
{
this->SimulationTime = vtkDoubleArray::New();
this->SimulationTime->SetName("SimulationTime");
}
if(outputPD->GetArray("SimulationTime"))
{
outputPD->RemoveArray("SimulationTime");
}
this->SimulationTime->SetNumberOfTuples(0);
outputPD->AddArray(this->SimulationTime);
if(this->SimulationTimeStep == NULL)
{
this->SimulationTimeStep = vtkIntArray::New();
this->SimulationTimeStep->SetName("SimulationTimeStep");
}
if(outputPD->GetArray("SimulationTimeStep"))
{
outputPD->RemoveArray("SimulationTimeStep");
}
this->SimulationTimeStep->SetNumberOfTuples(0);
outputPD->AddArray(this->SimulationTimeStep);
}
void vtkParticlePathFilter::AppendToExtraPointDataArrays(
vtkParticleTracerBaseNamespace::ParticleInformation &info)
{
this->SimulationTime->InsertNextValue(info.SimulationTime);
this->SimulationTimeStep->InsertNextValue(info.InjectedStepId+info.TimeStepAge);
}
void vtkParticlePathFilter::Finalize()
{
this->It.Finalize();
}
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