LegendScaleActor
VTKExamples/Cxx/Visualization/LegendScaleActor
Code
LegendScaleActor.cxx
#include <vtkSmartPointer.h>
#include <vtkLegendScaleActor.h>
#include <vtkPolyData.h>
#include <vtkSphereSource.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkLegendScaleActor.h>
int main(int, char *[])
{
vtkSmartPointer<vtkSphereSource> sphereSource =
vtkSmartPointer<vtkSphereSource>::New();
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);
vtkSmartPointer<vtkLegendScaleActor> legendScaleActor =
vtkSmartPointer<vtkLegendScaleActor>::New();
// Add the actor to the scene
renderer->AddActor(actor);
renderer->AddActor(legendScaleActor);
renderer->SetBackground(.3, .2, .3);
// Render and interact
renderWindow->Render();
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(LegendScaleActor)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(LegendScaleActor MACOSX_BUNDLE LegendScaleActor.cxx)
target_link_libraries(LegendScaleActor ${VTK_LIBRARIES})
Download and Build LegendScaleActor
Click here to download LegendScaleActor and its CMakeLists.txt file. Once the tarball LegendScaleActor.tar has been downloaded and extracted,
cd LegendScaleActor/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:
./LegendScaleActor
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.