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/*=========================================================================
Program: Visualization Toolkit
Module: TestGPURayCastFourComponentsComposite.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.
=========================================================================*/
// This test volume renders the vase dataset with 4 dependent components the
// composite method with no shading.
#include "vtkGPUVolumeRayCastMapper.h"
#include "vtkTestUtilities.h"
#include "vtkXMLImageDataReader.h"
#include "vtkImageShiftScale.h"
#include "vtkColorTransferFunction.h"
#include "vtkPiecewiseFunction.h"
#include "vtkTransform.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkVolumeProperty.h"
#include "vtkCamera.h"
#include "vtkRegressionTestImage.h"
int TestGPURayCastFourComponentsComposite(int argc,
char *argv[])
{
cout << "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)" << endl;
char *cfname=
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/vase_4comp.vti");
vtkXMLImageDataReader *reader=vtkXMLImageDataReader::New();
reader->SetFileName(cfname);
delete [] cfname;
vtkRenderer *ren1=vtkRenderer::New();
vtkRenderWindow *renWin=vtkRenderWindow::New();
renWin->AddRenderer(ren1);
renWin->SetSize(301,300);
vtkRenderWindowInteractor *iren=vtkRenderWindowInteractor::New();
iren->SetRenderWindow(renWin);
renWin->Render();
vtkGPUVolumeRayCastMapper *volumeMapper;
vtkVolumeProperty *volumeProperty;
vtkVolume *volume;
volumeMapper=vtkGPUVolumeRayCastMapper::New();
volumeMapper->SetBlendModeToComposite();
volumeMapper->SetInputConnection(
reader->GetOutputPort());
vtkPiecewiseFunction *opacity=vtkPiecewiseFunction::New();
opacity->AddPoint(0,0);
opacity->AddPoint(255,1);
volumeProperty=vtkVolumeProperty::New();
volumeProperty->IndependentComponentsOff();
volumeProperty->ShadeOff();
volumeProperty->SetScalarOpacity(opacity);
volume=vtkVolume::New();
volume->SetMapper(volumeMapper);
volume->SetProperty(volumeProperty);
ren1->AddViewProp(volume);
int valid=volumeMapper->IsRenderSupported(renWin,volumeProperty);
int retVal;
if(valid)
{
iren->Initialize();
ren1->SetBackground(0.1,0.4,0.2);
ren1->ResetCamera();
renWin->Render();
retVal = vtkTesting::Test(argc, argv, renWin, 75);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
}
else
{
retVal=vtkTesting::PASSED;
cout << "Required extensions not supported." << endl;
}
iren->Delete();
renWin->Delete();
ren1->Delete();
volumeMapper->Delete();
volumeProperty->Delete();
volume->Delete();
opacity->Delete();
reader->Delete();
if ((retVal == vtkTesting::PASSED) || (retVal == vtkTesting::DO_INTERACTOR))
{
return 0;
}
else
{
return 1;
}
}
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