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/*==================================================================
Program: Visualization Toolkit
Module: TestHyperTreeGridTernary3DContour.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.
===================================================================*/
// .SECTION Thanks
// This test was written by Philippe Pebay, Kitware 2012
// This work was supported in part by Commissariat a l'Energie Atomique (CEA/DIF)
#include "vtkHyperTreeGridSource.h"
#include "vtkCamera.h"
#include "vtkPointData.h"
#include "vtkContourFilter.h"
#include "vtkNew.h"
#include "vtkOutlineFilter.h"
#include "vtkProperty.h"
#include "vtkPolyDataMapper.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
int TestHyperTreeGridTernary3DContour( int argc, char* argv[] )
{
// Hyper tree grid
vtkNew<vtkHyperTreeGridSource> htGrid;
int maxLevel = 5;
htGrid->SetMaximumLevel( maxLevel );
htGrid->SetGridSize( 3, 3, 2 );
htGrid->SetGridScale( 1.5, 1., .7 );
htGrid->SetDimension( 3 );
htGrid->SetBranchFactor( 3 );
htGrid->SetDescriptor( "RRR .R. .RR ..R ..R .R.|R.......................... ........................... ........................... .............R............. ....RR.RR........R......... .....RRRR.....R.RR......... ........................... ........................... ...........................|........................... ........................... ........................... ...RR.RR.......RR.......... ........................... RR......................... ........................... ........................... ........................... ........................... ........................... ........................... ........................... ............RRR............|........................... ........................... .......RR.................. ........................... ........................... ........................... ........................... ........................... ........................... ........................... ...........................|........................... ..........................." );
// Outline
vtkNew<vtkOutlineFilter> outline;
outline->SetInputConnection( htGrid->GetOutputPort() );
// Contour
vtkNew<vtkContourFilter> contour;
int nContours = 4;
contour->SetNumberOfContours( nContours );
contour->SetInputConnection( htGrid->GetOutputPort() );
contour->GenerateTrianglesOn();
double resolution = ( maxLevel - 1 ) / ( nContours + 1. );
double isovalue = resolution;
for ( int i = 0; i < nContours; ++ i, isovalue += resolution )
{
contour->SetValue( i, isovalue );
}
contour->Update();
vtkPolyData* pd = contour->GetOutput();
// Mappers
vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
vtkNew<vtkPolyDataMapper> mapper1;
mapper1->SetInputConnection( contour->GetOutputPort() );
mapper1->SetScalarRange( pd->GetPointData()->GetScalars()->GetRange() );
vtkNew<vtkPolyDataMapper> mapper2;
mapper2->SetInputConnection( contour->GetOutputPort() );
mapper2->ScalarVisibilityOff();
vtkNew<vtkPolyDataMapper> mapper3;
mapper3->SetInputConnection( outline->GetOutputPort() );
mapper3->ScalarVisibilityOff();
// Actors
vtkNew<vtkActor> actor1;
actor1->SetMapper( mapper1.GetPointer() );
vtkNew<vtkActor> actor2;
actor2->SetMapper( mapper2.GetPointer() );
actor2->GetProperty()->SetRepresentationToWireframe();
actor2->GetProperty()->SetColor( .7, .7, .7 );
vtkNew<vtkActor> actor3;
actor3->SetMapper( mapper3.GetPointer() );
actor3->GetProperty()->SetColor( .1, .1, .1 );
actor3->GetProperty()->SetLineWidth( 1 );
// Camera
double bd[6];
pd->GetBounds( bd );
vtkNew<vtkCamera> camera;
camera->SetClippingRange( 1., 100. );
camera->SetFocalPoint( pd->GetCenter() );
camera->SetPosition( -.8 * bd[1], 2.1 * bd[3], -4.8 * bd[5] );
// Renderer
vtkNew<vtkRenderer> renderer;
renderer->SetActiveCamera( camera.GetPointer() );
renderer->SetBackground( 1., 1., 1. );
renderer->AddActor( actor1.GetPointer() );
renderer->AddActor( actor2.GetPointer() );
renderer->AddActor( actor3.GetPointer() );
// Render window
vtkNew<vtkRenderWindow> renWin;
renWin->AddRenderer( renderer.GetPointer() );
renWin->SetSize( 400, 400 );
renWin->SetMultiSamples( 0 );
// Interactor
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow( renWin.GetPointer() );
// Render and test
renWin->Render();
int retVal = vtkRegressionTestImageThreshold( renWin.GetPointer(), 30 );
if ( retVal == vtkRegressionTester::DO_INTERACTOR )
{
iren->Start();
}
return !retVal;
}
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