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/*=========================================================================
Program: Visualization Toolkit
Module: TestDistancePolyDataFilter.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.
=========================================================================*/
#include <vtkSmartPointer.h>
#include <vtkActor.h>
#include <vtkDistancePolyDataFilter.h>
#include <vtkPolyDataMapper.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkSphereSource.h>
#include <vtkPointData.h>
#include <vtkScalarBarActor.h>
int TestDistancePolyDataFilter(int, char*[])
{
vtkSmartPointer<vtkSphereSource> model1 =
vtkSmartPointer<vtkSphereSource>::New();
model1->SetPhiResolution(11);
model1->SetThetaResolution(11);
model1->SetCenter (0.0, 0.0, 0.0);
vtkSmartPointer<vtkSphereSource> model2 =
vtkSmartPointer<vtkSphereSource>::New();
model2->SetPhiResolution(11);
model2->SetThetaResolution(11);
model2->SetCenter (0.2, 0.3, 0.0);
vtkSmartPointer<vtkDistancePolyDataFilter> distanceFilter =
vtkSmartPointer<vtkDistancePolyDataFilter>::New();
distanceFilter->SetInputConnection( 0, model1->GetOutputPort() );
distanceFilter->SetInputConnection( 1, model2->GetOutputPort() );
distanceFilter->Update();
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection( distanceFilter->GetOutputPort() );
mapper->SetScalarRange(
distanceFilter->GetOutput()->GetPointData()->GetScalars()->GetRange()[0],
distanceFilter->GetOutput()->GetPointData()->GetScalars()->GetRange()[1]);
vtkSmartPointer<vtkActor> actor =
vtkSmartPointer<vtkActor>::New();
actor->SetMapper( mapper );
vtkSmartPointer<vtkPolyDataMapper> mapper2 =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper2->SetInputConnection( distanceFilter->GetOutputPort(1) );
mapper2->SetScalarRange(
distanceFilter->GetSecondDistanceOutput()->GetPointData()->GetScalars()->GetRange()[0],
distanceFilter->GetSecondDistanceOutput()->GetPointData()->GetScalars()->GetRange()[1]);
vtkSmartPointer<vtkActor> actor2 =
vtkSmartPointer<vtkActor>::New();
actor2->SetMapper( mapper2 );
vtkSmartPointer<vtkScalarBarActor> scalarBar =
vtkSmartPointer<vtkScalarBarActor>::New();
scalarBar->SetLookupTable(mapper->GetLookupTable());
scalarBar->SetTitle("Distance");
scalarBar->SetNumberOfLabels(5);
scalarBar->SetTextPad(4);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renWin =
vtkSmartPointer<vtkRenderWindow>::New();
renWin->AddRenderer( renderer );
vtkSmartPointer<vtkRenderWindowInteractor> renWinInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renWinInteractor->SetRenderWindow( renWin );
renderer->AddActor( actor );
renderer->AddActor( actor2 );
renderer->AddActor2D(scalarBar);
renWin->Render();
distanceFilter->Print(std::cout);
renWinInteractor->Start();
return EXIT_SUCCESS;
}
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