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// -*- c++ -*-
/*=========================================================================
Program: Visualization Toolkit
Module: SLACParticleReader.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.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2009 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkCompositeDataGeometryFilter.h"
#include "vtkInformation.h"
#include "vtkLookupTable.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSLACParticleReader.h"
#include "vtkSLACReader.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkTestUtilities.h"
#include "vtkSmartPointer.h"
#define VTK_CREATE(type, name) \
vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
#include <sstream>
int SLACParticleReader(int argc, char *argv[])
{
char *meshFileName = vtkTestUtilities::ExpandDataFileName(argc, argv,
"Data/SLAC/pic-example/mesh.ncdf");
char *modeFileNamePattern = vtkTestUtilities::ExpandDataFileName(argc, argv,
"Data/SLAC/pic-example/fields_%d.mod");
char *particleFileName = vtkTestUtilities::ExpandDataFileName(argc, argv,
"Data/SLAC/pic-example/particles_5.ncdf");
// Set up mesh reader.
VTK_CREATE(vtkSLACReader, meshReader);
meshReader->SetMeshFileName(meshFileName);
delete[] meshFileName;
char *modeFileName = new char[strlen(modeFileNamePattern) + 10];
for (int i = 0; i < 9; i++)
{
sprintf(modeFileName, modeFileNamePattern, i);
meshReader->AddModeFileName(modeFileName);
}
delete[] modeFileName;
delete[] modeFileNamePattern;
meshReader->ReadInternalVolumeOn();
meshReader->ReadExternalSurfaceOff();
meshReader->ReadMidpointsOff();
// Extract geometry that we can render.
VTK_CREATE(vtkCompositeDataGeometryFilter, geometry);
geometry->SetInputConnection(
meshReader->GetOutputPort(vtkSLACReader::VOLUME_OUTPUT));
// Set up particle reader.
VTK_CREATE(vtkSLACParticleReader, particleReader);
particleReader->SetFileName(particleFileName);
delete[] particleFileName;
// Set up rendering stuff.
VTK_CREATE(vtkPolyDataMapper, meshMapper);
meshMapper->SetInputConnection(geometry->GetOutputPort());
meshMapper->SetScalarModeToUsePointFieldData();
meshMapper->ColorByArrayComponent("efield", 2);
meshMapper->UseLookupTableScalarRangeOff();
meshMapper->SetScalarRange(1.0, 1e+05);
VTK_CREATE(vtkLookupTable, lut);
lut->SetHueRange(0.66667, 0.0);
lut->SetScaleToLog10();
meshMapper->SetLookupTable(lut);
VTK_CREATE(vtkActor, meshActor);
meshActor->SetMapper(meshMapper);
meshActor->GetProperty()->FrontfaceCullingOn();
VTK_CREATE(vtkPolyDataMapper, particleMapper);
particleMapper->SetInputConnection(particleReader->GetOutputPort());
particleMapper->ScalarVisibilityOff();
VTK_CREATE(vtkActor, particleActor);
particleActor->SetMapper(particleMapper);
VTK_CREATE(vtkRenderer, renderer);
renderer->AddActor(meshActor);
renderer->AddActor(particleActor);
vtkCamera *camera = renderer->GetActiveCamera();
camera->SetPosition(-0.2, 0.05, 0.0);
camera->SetFocalPoint(0.0, 0.05, 0.0);
camera->SetViewUp(0.0, 1.0, 0.0);
VTK_CREATE(vtkRenderWindow, renwin);
renwin->SetSize(300, 200);
renwin->AddRenderer(renderer);
VTK_CREATE(vtkRenderWindowInteractor, iren);
iren->SetRenderWindow(renwin);
renwin->Render();
double time
= particleReader->GetOutput()->GetInformation()->Get(vtkDataObject::DATA_TIME_STEP());
cout << "Time in particle reader: " << time << endl;
// Change the time to test the time step field load and to have the field
// match the particles in time.
geometry->UpdateInformation();
geometry->GetOutputInformation(0)->Set(
vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP(),
time);
renwin->Render();
// Do the test comparison.
int retVal = vtkRegressionTestImage(renwin);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
retVal = vtkRegressionTester::PASSED;
}
return (retVal == vtkRegressionTester::PASSED) ? 0 : 1;
}
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