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/*=========================================================================
Program: Visualization Toolkit
Module: TestAssemblyBounds.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 <vtkAssembly.h>
#include <vtkClipPolyData.h>
#include <vtkDataSetMapper.h>
#include <vtkPlane.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkSphereSource.h>
int TestAssemblyBounds (int , char *[])
{
vtkSmartPointer<vtkSphereSource> source1 =
vtkSmartPointer<vtkSphereSource>::New();
source1->SetCenter(4,4,4);
source1->SetRadius(2);
vtkSmartPointer<vtkPlane> plane =
vtkSmartPointer<vtkPlane>::New();
plane->SetOrigin(6, 6, 6);
plane->SetNormal(1, 1, 1);
vtkSmartPointer<vtkClipPolyData> clipper1 =
vtkSmartPointer<vtkClipPolyData>::New();
clipper1->SetInputConnection(source1->GetOutputPort());
clipper1->SetClipFunction(plane);
clipper1->SetValue(0);
vtkSmartPointer<vtkDataSetMapper> mapper1 =
vtkSmartPointer<vtkDataSetMapper>::New();
mapper1->SetInputConnection(clipper1->GetOutputPort());
vtkSmartPointer<vtkActor> actor1 =
vtkSmartPointer<vtkActor>::New();
actor1->SetMapper(mapper1);
vtkSmartPointer<vtkSphereSource> source2 =
vtkSmartPointer<vtkSphereSource>::New();
source2->SetCenter(8,8,8);
source2->SetRadius(2);
vtkSmartPointer<vtkClipPolyData> clipper2 =
vtkSmartPointer<vtkClipPolyData>::New();
clipper2->SetInputConnection(source2->GetOutputPort());
clipper2->SetClipFunction(plane);
clipper2->SetValue(0);
vtkSmartPointer<vtkDataSetMapper> mapper2 =
vtkSmartPointer<vtkDataSetMapper>::New();
mapper2->SetInputConnection(clipper2->GetOutputPort());
vtkSmartPointer<vtkActor> actor2 =
vtkSmartPointer<vtkActor>::New();
actor2->SetMapper(mapper2);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renWin =
vtkSmartPointer<vtkRenderWindow>::New();
renWin->AddRenderer(renderer);
// Create an assembly
vtkSmartPointer<vtkAssembly> assembly =
vtkSmartPointer<vtkAssembly>::New();
assembly->AddPart(actor1);
assembly->AddPart(actor2);
renderer->AddActor(assembly);
double clipActorBounds[6];
actor1->GetBounds(clipActorBounds);
std::cout << "First actor is entirely clipped, so its bounds are not valid"
<< std::endl;
std::cout << "[" << clipActorBounds[0]
<< ", " << clipActorBounds[1] << " ]"
<< "[" << clipActorBounds[2]
<< ", " << clipActorBounds[3] << " ]"
<< "[" << clipActorBounds[4]
<< ", " << clipActorBounds[5] << "] " << std::endl;
double clipActor2Bounds[6];
actor2->GetBounds(clipActor2Bounds);
std::cout << "Only the second sphere is visible with these bounds"
<< std::endl;
std::cout << "[" << clipActor2Bounds[0]
<< ", " << clipActor2Bounds[1] << "] "
<< "[" << clipActor2Bounds[2]
<< ", " << clipActor2Bounds[3] << "] "
<< "[" << clipActor2Bounds[4]
<< ", " << clipActor2Bounds[5] << "] " << std::endl;
double sceneBounds[6];
renderer->ComputeVisiblePropBounds(sceneBounds);
// Scene bounds should match the bounds of the second actor
for (int i = 0; i < 6; ++i)
{
if (sceneBounds[i] != clipActor2Bounds[i])
{
std::cout << "Wrong visible bounds!" << std::endl;
std::cout << "[" << sceneBounds[0]
<< ", " << sceneBounds[1] << "] "
<< "[" << sceneBounds[2]
<< ", " << sceneBounds[3] << "] "
<< "[" << sceneBounds[4]
<< ", " << sceneBounds[5] << "] " << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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