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/*=========================================================================
Program: Visualization Toolkit
Module: TestMultiblockDisplayProperties.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 tests setting up of display properties of individual blocks in
// composite datasets.
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkCompositeDataDisplayAttributes.h"
#include "vtkCompositePolyDataMapper2.h"
#include "vtkDataObject.h"
#include "vtkNew.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkTestUtilities.h"
#include "vtkXMLMultiBlockDataReader.h"
int TestMultiblockDisplayProperties(int argc, char* argv[])
{
vtkNew<vtkXMLMultiBlockDataReader> reader;
char * fname = vtkTestUtilities::ExpandDataFileName(
argc, argv, "Data/many_blocks/many_blocks.vtm");
reader->SetFileName(fname);
delete[] fname;
vtkNew<vtkRenderWindow> renWin;
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin.GetPointer());
vtkNew<vtkRenderer> renderer;
renWin->AddRenderer(renderer.GetPointer());
vtkNew<vtkActor> actor;
renderer->AddActor(actor.GetPointer());
vtkNew<vtkCompositePolyDataMapper2> mapper;
mapper->SetInputConnection(reader->GetOutputPort());
actor->SetMapper(mapper.GetPointer());
renWin->SetSize(400,400);
renderer->GetActiveCamera()->SetViewUp(0, 0, 1);
renderer->GetActiveCamera()->SetPosition(-1.3, 0, 1.7);
renderer->GetActiveCamera()->SetFocalPoint(0, 0, 1.6);
renderer->SetBackground(0.1,0.2,0.4);
renderer->ResetCamera();
renWin->Render();
vtkNew<vtkCompositeDataDisplayAttributes> attributes;
mapper->SetCompositeDataDisplayAttributes(attributes.GetPointer());
mapper->SetBlockVisibility(1, 0);
mapper->SetBlockVisibility(23, 1);
mapper->SetBlockVisibility(27, 0);
mapper->SetBlockVisibility(29, 0);
renWin->Render();
mapper->RemoveBlockVisibility(29);
renWin->Render();
// Color "Group B" green.
mapper->SetBlockColor(67, 0, 0.33, 0.0);
renWin->Render();
// Show "Group ACAA" and color it yellow.
mapper->SetBlockVisibility(46, true);
mapper->SetBlockColor(46, 1, 1, 0.5);
renWin->Render();
// Set opacity on "Group AC" to 0.5
mapper->SetBlockOpacity(34, 0.5);
renWin->Render();
// Change solid color.
actor->GetProperty()->SetColor(0.5, 0.1, 0.1);
renWin->Render();
// Remove all opacity overrides.
mapper->RemoveBlockOpacities();
renWin->Render();
int retVal = vtkRegressionTestImage(renWin.GetPointer());
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
return !retVal;
}
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