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| − | <div class="floatright">[[File:VTK_Examples_Baseline_Geovis_TestCompassWidget.png]]</div>
| + | = '''See [https://lorensen.github.io/VTKExamples/site/Cxx/Geovis/CompassWidget CompassWidget] on the new [https://lorensen.github.io/VTKExamples/site/ VTKExamples website].''' = |
| − | This example creates a compass in the top right corner of the window.
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| − | ==CompassWidget.cxx==
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| − | <source lang="cpp">
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| − | #include <vtkPolyDataMapper.h>
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| − | #include <vtkActor.h>
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| − | #include <vtkRenderWindow.h>
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| − | #include <vtkRenderer.h>
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| − | #include <vtkRenderWindowInteractor.h>
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| − | #include <vtkPolyData.h>
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| − | #include <vtkSmartPointer.h>
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| − | #include <vtkSphereSource.h>
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| − | #include <vtkCompassWidget.h>
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| − | #include <vtkCompassRepresentation.h>
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| − | #include <vtkInteractorStyleTrackballCamera.h>
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| − | #include <vtkInteractorStyleTrackball.h>
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| − | | |
| − | int main (int, char *[])
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| − | {
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| − | | |
| − | //sphere 1
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| − | vtkSmartPointer<vtkSphereSource> sphereSource =
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| − | vtkSmartPointer<vtkSphereSource>::New();
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| − | sphereSource->SetCenter(0.0, 0.0, 0.0);
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| − | sphereSource->SetRadius(4.0);
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| − | vtkSmartPointer<vtkPolyDataMapper> mapper =
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| − | vtkSmartPointer<vtkPolyDataMapper>::New();
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| − | mapper->SetInputConnection(sphereSource->GetOutputPort());
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| − | | |
| − | vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
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| − | actor->SetMapper(mapper);
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| − | // a renderer and render window
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| − | vtkSmartPointer<vtkRenderer> renderer =
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| − | vtkSmartPointer<vtkRenderer>::New();
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| − | vtkSmartPointer<vtkRenderWindow> renderWindow =
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| − | vtkSmartPointer<vtkRenderWindow>::New();
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| − | renderWindow->AddRenderer(renderer);
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| − | | |
| − | // an interactor
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| − | vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
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| − | renderWindowInteractor->SetRenderWindow(renderWindow);
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| − |
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| − | // Create the widget and its representation
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| − | vtkSmartPointer<vtkCompassRepresentation> compassRepresentation = vtkSmartPointer<vtkCompassRepresentation>::New();
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| − |
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| − | vtkSmartPointer<vtkCompassWidget> compassWidget =
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| − | vtkSmartPointer<vtkCompassWidget>::New();
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| − | compassWidget->SetInteractor(renderWindowInteractor);
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| − | compassWidget->SetRepresentation(compassRepresentation);
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| − |
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| − | // add the actors to the scene
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| − | renderer->AddActor(actor);
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| − | renderer->SetBackground(1,1,1); // Background color white
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| − | renderWindow->Render();
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| − | compassWidget->EnabledOn();
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| − | vtkSmartPointer<vtkInteractorStyleTrackballCamera> style =
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| − | vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New();
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| − | renderWindowInteractor->SetInteractorStyle( style );
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| − |
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| − | // begin interaction
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| − | renderWindowInteractor->Start();
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| − | return EXIT_SUCCESS;
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| − | }
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| − | </source>
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| − | {{VTKCMakeLists|{{SUBPAGENAME}}}}
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