AxisActor
VTKExamples/Cxx/Visualization/AxisActor
Code¶
AxisActor.cxx
#include "vtkSphereSource.h" #include "vtkPolyDataMapper.h" #include "vtkActor.h" #include "vtkAxisActor.h" #include "vtkRenderer.h" #include "vtkRenderWindow.h" #include "vtkRenderWindowInteractor.h" #include "vtkCamera.h" #include "vtkStringArray.h" #include "vtkSmartPointer.h" #include <vtkNamedColors.h> //---------------------------------------------------------------------------- int main( int, char *[] ) { vtkSmartPointer<vtkNamedColors> colors = vtkSmartPointer<vtkNamedColors>::New(); // Create the axis actor vtkSmartPointer<vtkAxisActor> axis = vtkSmartPointer<vtkAxisActor>::New(); axis->SetPoint1(.5,0,0); axis->SetPoint2(1.5,0,0); axis->SetBounds(-2, 2, -2, 2, -2, 2); axis->SetTickLocationToBoth(); axis->SetAxisTypeToX(); axis->SetTitle("A Sphere"); axis->SetTitleScale(0.5); axis->TitleVisibilityOn(); axis->SetMajorTickSize(0.01); axis->SetRange(0,1); axis->DrawGridlinesOn(); vtkSmartPointer<vtkStringArray> labels = vtkSmartPointer<vtkStringArray>::New(); labels->SetNumberOfTuples(1); labels->SetValue(0,"x Axis"); axis->SetLabels(labels); axis->SetLabelScale(.5); axis->MinorTicksVisibleOn(); axis->SetDeltaMajor(0,.1); axis->SetCalculateTitleOffset(0); axis->SetCalculateLabelOffset(0); axis->Print(std::cout); vtkSmartPointer<vtkSphereSource> source = vtkSmartPointer<vtkSphereSource>::New(); source->SetCenter(1,1,1); vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(source->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); // Create the RenderWindow, Renderer and both Actors vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); interactor->SetRenderWindow(renderWindow); axis->SetCamera(renderer->GetActiveCamera()); renderer->AddActor(actor); renderer->AddActor(axis); renderer->SetBackground(.3, .4, .5); renderWindow->SetSize(640, 480); renderer->ResetCamera(); renderer->ResetCameraClippingRange(); // render the image renderWindow->Render(); interactor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(AxisActor) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(AxisActor MACOSX_BUNDLE AxisActor.cxx ) target_link_libraries(AxisActor ${VTK_LIBRARIES})
Download and Build AxisActor¶
Click here to download AxisActor and its CMakeLists.txt file. Once the tarball AxisActor.tar has been downloaded and extracted,
cd AxisActor/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:
./AxisActor
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.