SceneBounds
VTKExamples/Cxx/Visualization/SceneBounds
Code
SceneBounds.cxx
#include <vtkSmartPointer.h>
#include <vtkTransform.h>
#include <vtkCubeSource.h>
#include <vtkProperty.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkAssembly.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkOrientationMarkerWidget.h>
#include <vtkAxesActor.h>
#include <vtkPropAssembly.h>
int main(int, char *[])
{
// Create a sphere
vtkSmartPointer<vtkSphereSource> sphereSource =
vtkSmartPointer<vtkSphereSource>::New();
sphereSource->Update();
vtkSmartPointer<vtkPolyDataMapper> sphereMapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
sphereMapper->SetInputConnection(sphereSource->GetOutputPort());
vtkSmartPointer<vtkActor> sphereActor =
vtkSmartPointer<vtkActor>::New();
sphereActor->SetMapper(sphereMapper);
// Create a cube
vtkSmartPointer<vtkCubeSource> cubeSource =
vtkSmartPointer<vtkCubeSource>::New();
cubeSource->SetCenter(5.0, 0.0, 0.0);
cubeSource->Update();
vtkSmartPointer<vtkPolyDataMapper> cubeMapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
cubeMapper->SetInputConnection(cubeSource->GetOutputPort());
vtkSmartPointer<vtkActor> cubeActor =
vtkSmartPointer<vtkActor>::New();
cubeActor->SetMapper(cubeMapper);
// Visualization
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(sphereActor);
renderer->AddActor(cubeActor);
renderer->SetBackground(.3, .4, .5);
renderer->ResetCamera();
double bounds[6];
renderer->ComputeVisiblePropBounds(bounds);
std::cout << bounds[0] << " "
<< bounds[1] << " "
<< bounds[2] << " "
<< bounds[3] << " "
<< bounds[4] << " "
<< bounds[5] << std::endl;
renderWindow->Render();
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(SceneBounds)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(SceneBounds MACOSX_BUNDLE SceneBounds.cxx)
target_link_libraries(SceneBounds ${VTK_LIBRARIES})
Download and Build SceneBounds
Click here to download SceneBounds and its CMakeLists.txt file. Once the tarball SceneBounds.tar has been downloaded and extracted,
cd SceneBounds/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:
./SceneBounds
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.