RubberBand3D
VTKExamples/Cxx/Interaction/RubberBand3D
Code
RubberBand3D.cxx
#include <vtkSmartPointer.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkInteractorStyleRubberBand3D.h>
#include <vtkObjectFactory.h>
class MyRubberBand3D : public vtkInteractorStyleRubberBand3D
{
public:
static MyRubberBand3D* New();
vtkTypeMacro(MyRubberBand3D, vtkInteractorStyleRubberBand3D);
virtual void OnLeftButtonUp()
{
// Forward events
vtkInteractorStyleRubberBand3D::OnLeftButtonUp();
std::cout << "Start position: " << this->StartPosition[0] << " " << this->StartPosition[1] << std::endl;
std::cout << "End position: " << this->EndPosition[0] << " " << this->EndPosition[1] << std::endl;
}
};
vtkStandardNewMacro(MyRubberBand3D);
int main(int, char *[])
{
vtkSmartPointer<vtkSphereSource> sphereSource =
vtkSmartPointer<vtkSphereSource>::New();
// Create a mapper and actor
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(sphereSource->GetOutputPort());
vtkSmartPointer<vtkActor> actor =
vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
// A renderer and render window
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
// An interactor
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
// Add the actors to the scene
renderer->AddActor(actor);
renderer->SetBackground(1,1,1); // Background color white
renderWindow->Render();
vtkSmartPointer<MyRubberBand3D> style =
vtkSmartPointer<MyRubberBand3D>::New();
renderWindowInteractor->SetInteractorStyle( style );
// Begin mouse interaction
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(RubberBand3D)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(RubberBand3D MACOSX_BUNDLE RubberBand3D.cxx)
target_link_libraries(RubberBand3D ${VTK_LIBRARIES})
Download and Build RubberBand3D
Click here to download RubberBand3D and its CMakeLists.txt file. Once the tarball RubberBand3D.tar has been downloaded and extracted,
cd RubberBand3D/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:
./RubberBand3D
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.