TexturedSphere
VTKExamples/Cxx/Texture/TexturedSphere
Code¶
TexturedSphere.cxx
#include <vtkSmartPointer.h> #include <vtkRenderWindowInteractor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkActor.h> #include <vtkPolyDataMapper.h> #include <vtkTransformTextureCoords.h> #include <vtkTexture.h> #include <vtkTextureMapToSphere.h> #include <vtkImageReader2Factory.h> #include <vtkImageReader.h> #include <vtkTexturedSphereSource.h> int main (int argc, char *argv[]) { if (argc < 2) { std::cout << "Usage: " << argv[0] << " texture(.png)" << " [translate]" <<std::endl; return EXIT_FAILURE; } double translate[3]; if (argc > 2) { translate[0] = atof(argv[2]); } else { translate[0] = 0.0; } translate[1] = 0.0; translate[2] = 0.0; std::cout << translate[0] << ", " << translate[1] << ", " << translate[2] << "\n"; // Create a sphere with texture coordinates vtkSmartPointer<vtkTexturedSphereSource> source = vtkSmartPointer<vtkTexturedSphereSource>::New(); // Read texture file vtkSmartPointer<vtkImageReader2Factory> readerFactory = vtkSmartPointer<vtkImageReader2Factory>::New(); vtkImageReader2 *imageReader = readerFactory->CreateImageReader2(argv[1]); imageReader->SetFileName(argv[1]); // Create texture vtkSmartPointer<vtkTexture> texture = vtkSmartPointer<vtkTexture>::New(); texture->SetInputConnection(imageReader->GetOutputPort()); vtkSmartPointer<vtkTransformTextureCoords> transformTexture = vtkSmartPointer<vtkTransformTextureCoords>::New(); transformTexture->SetInputConnection(source->GetOutputPort()); transformTexture->SetPosition(translate); vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(transformTexture->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper( mapper ); actor->SetTexture( texture ); vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); renderer->AddActor(actor); renderer->SetBackground(.1, .2, .3); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer( renderer ); vtkSmartPointer<vtkRenderWindowInteractor> renWinInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renWinInteractor->SetRenderWindow( renderWindow ); renderWindow->Render(); renWinInteractor->Start(); imageReader->Delete(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(TexturedSphere) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(TexturedSphere MACOSX_BUNDLE TexturedSphere.cxx) target_link_libraries(TexturedSphere ${VTK_LIBRARIES})
Download and Build TexturedSphere¶
Danger
The generation of tar files has not been ported to the new VTKExamples. Some tarballs may be missing or out-of-date.
Click here to download TexturedSphere and its CMakeLists.txt file. Once the tarball TexturedSphere.tar has been downloaded and extracted,
cd TexturedSphere/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:
./TexturedSphere
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.