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/*=========================================================================
Program: Visualization Toolkit
Module: TestPOVExporter.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.
=========================================================================*/
// .NAME TestPOVExpoter - Tests vtkPOVExporter.
// .SECTION Description
// Creates a scene and uses POVExporter to generate a pov file. Test passes
// if the file exists and has non zero length.
#include "vtkSphereSource.h"
#include "vtkConeSource.h"
#include "vtkGlyph3D.h"
#include "vtkPolyDataMapper.h"
#include "vtkLODActor.h"
#include "vtkTextMapper.h"
#include "vtkProperty.h"
#include "vtkActor2D.h"
#include "vtkCellPicker.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkTextProperty.h"
#include "vtkCamera.h"
#include "vtkPOVExporter.h"
#include "vtksys/SystemTools.hxx"
int TestPOVExporter(int vtkNotUsed(argc), char *vtkNotUsed(argv)[])
{
int err = 0;
int exists = 0;
unsigned long length = 0;
// create a sphere source, mapper, and actor
vtkSphereSource *sphere = vtkSphereSource::New();
vtkPolyDataMapper *sphereMapper = vtkPolyDataMapper::New();
sphereMapper->SetInputConnection(sphere->GetOutputPort());
sphereMapper->GlobalImmediateModeRenderingOn();
vtkActor *sphereActor = vtkLODActor::New();
sphereActor->SetMapper(sphereMapper);
sphereActor->GetProperty()->SetDiffuseColor(0.8900, 0.8100, 0.3400);
sphereActor->GetProperty()->SetSpecular(0.4);
sphereActor->GetProperty()->SetSpecularPower(20);
// create the spikes by glyphing the sphere with a cone. Create the
// mapper and actor for the glyphs.
vtkConeSource *cone = vtkConeSource::New();
cone->SetResolution(20);
vtkGlyph3D *glyph = vtkGlyph3D::New();
glyph->SetInputConnection(sphere->GetOutputPort());
glyph->SetSourceConnection(cone->GetOutputPort());
glyph->SetVectorModeToUseNormal();
glyph->SetScaleModeToScaleByVector();
glyph->SetScaleFactor(0.25);
vtkPolyDataMapper *spikeMapper = vtkPolyDataMapper::New();
spikeMapper->SetInputConnection(glyph->GetOutputPort());
vtkLODActor *spikeActor = vtkLODActor::New();
spikeActor->SetMapper(spikeMapper);
spikeActor->GetProperty()->SetDiffuseColor(1.0000, 0.3882, 0.2784);
spikeActor->GetProperty()->SetSpecular(0.4);
spikeActor->GetProperty()->SetSpecularPower(20);
// Create the Renderer, RenderWindow, etc. and set the Picker.
vtkRenderer *ren = vtkRenderer::New();
vtkRenderWindow *renWin = vtkRenderWindow::New();
renWin->AddRenderer(ren);
ren->AddActor(sphereActor);
ren->AddActor(spikeActor);
ren->SetBackground(0.1, 0.2, 0.4);
renWin->SetSize(300,300);
ren->ResetCamera();
vtkCamera *cam1 = ren->GetActiveCamera();
cam1->Zoom(1.4);
renWin->Render();
// Instead of letting renderer to render the scene, we use
// an exportor to save it to a file.
vtkPOVExporter *povexp = vtkPOVExporter::New();
povexp->SetRenderWindow(renWin);
povexp->SetFileName("TestPOVExporter.pov");
cout << "Writing file TestPOVExporter.pov..." << endl;
povexp->Write();
cout << "Done writing file TestPOVExporter.pov..." << endl;
povexp->Delete();
exists =
static_cast<int>(vtksys::SystemTools::FileExists("TestPOVExporter.pov"));
length = vtksys::SystemTools::FileLength("TestPOVExporter.pov");
cout << "TestPOVExporter.pov file exists: " << exists << endl;
cout << "TestPOVExporter.pov file length: " << length << endl;
if (!exists)
{
err = 1;
cerr << "ERROR: 1 - Test failing because TestPOVExporter.pov file doesn't exist..." << endl;
}
else
{
vtksys::SystemTools::RemoveFile("TestPOVExporter.pov");
}
if (0==length)
{
err = 2;
cerr << "ERROR: 2 - Test failing because TestPOVExporter.pov file has zero length..." << endl;
}
renWin->Delete();
ren->Delete();
spikeActor->Delete();
spikeMapper->Delete();
glyph->Delete();
cone->Delete();
sphereActor->Delete();
sphereMapper->Delete();
sphere->Delete();
return err;
}
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