VTK/Examples/Cxx/Broken/FrustumCoverageCuller

From KitwarePublic
Jump to navigationJump to search

Need to demonstrate when one would want to use this.

FrustumCoverageCuller.cxx

#include <vtkSphereSource.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>

#include <vtkCullerCollection.h>
#include <vtkFrustumCoverageCuller.h>
 
int main(int argc, char *argv[])
{
  //Create a sphere
  vtkSmartPointer<vtkSphereSource> sphereSource = 
      vtkSmartPointer<vtkSphereSource>::New();
  sphereSource->SetCenter(0.0, 0.0, 0.0);
  sphereSource->SetRadius(5.0);
  sphereSource->Update();
 
  //Create a mapper and actor
  vtkSmartPointer<vtkPolyDataMapper> mapper = 
      vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(sphereSource->GetOutputPort());
  vtkSmartPointer<vtkActor> actor = 
      vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);
 
  //Create a renderer, render window, and interactor
  vtkSmartPointer<vtkRenderer> renderer = 
      vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renderWindow = 
      vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 
      vtkSmartPointer<vtkRenderWindowInteractor>::New();
  renderWindowInteractor->SetRenderWindow(renderWindow);
 
  static_cast<vtkFrustumCoverageCuller*>(renderer->GetCullers()->GetLastItem())->SetSortingStyleToBackToFront();
  
  //Add the actor to the scene
  renderer->AddActor(actor);
  renderer->SetBackground(1,1,1); // Background color white
 
  //Render and interact
  renderWindow->Render();
  renderWindowInteractor->Start();
 
  return EXIT_SUCCESS;
}

Please try the new VTKExamples website.

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(FrustumCoverageCuller)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(FrustumCoverageCuller MACOSX_BUNDLE FrustumCoverageCuller.cxx)

if(VTK_LIBRARIES)
  target_link_libraries(FrustumCoverageCuller ${VTK_LIBRARIES})
else()
  target_link_libraries(FrustumCoverageCuller vtkHybrid vtkWidgets)
endif()

Download and Build FrustumCoverageCuller

Click here to download FrustumCoverageCuller. and its CMakeLists.txt file.

Once the tarball FrustumCoverageCuller.tar has been downloaded and extracted,

cd FrustumCoverageCuller/build 
  • If VTK is installed:
cmake ..
  • If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

make

and run it:

./FrustumCoverageCuller

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.