DisplayCoordinateAxes
Repository source: DisplayCoordinateAxes
Description¶
This example shows how to display the coordinate axes in the render window.
Question
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Code¶
DisplayCoordinateAxes.java
import vtk.vtkActor;
import vtk.vtkAxesActor;
import vtk.vtkNamedColors;
import vtk.vtkNativeLibrary;
import vtk.vtkPolyDataMapper;
import vtk.vtkRenderWindow;
import vtk.vtkRenderWindowInteractor;
import vtk.vtkRenderer;
import vtk.vtkOrientationMarkerWidget;
import vtk.vtkSphereSource;
public class DisplayCoordinateAxes
{
// -----------------------------------------------------------------
// Load VTK library and print which library was not properly loaded
static
{
if (!vtkNativeLibrary.LoadAllNativeLibraries())
{
for (vtkNativeLibrary lib : vtkNativeLibrary.values())
{
if (!lib.IsLoaded())
{
System.out.println(lib.GetLibraryName() + " not loaded");
}
}
}
vtkNativeLibrary.DisableOutputWindow(null);
}
// -----------------------------------------------------------------
public static void main(String args[])
{
vtkNamedColors colors = new vtkNamedColors();
//Renderer Background Color
double Bgcolor[] = new double[4];
colors.GetColor("SlateGray", Bgcolor);
//Sphere1
vtkSphereSource sphereSource = new vtkSphereSource();
sphereSource.SetCenter(0.0, 0.0, 0.0 );
sphereSource.SetRadius(1.0);
sphereSource.Update();
vtkPolyDataMapper sphereMapper = new vtkPolyDataMapper();
sphereMapper.SetInputData (sphereSource.GetOutput());
vtkActor sphereActor = new vtkActor();
sphereActor.SetMapper(sphereMapper);
// Create the renderer, render window and interactor.
vtkRenderer ren = new vtkRenderer();
vtkRenderWindow renWin = new vtkRenderWindow();
renWin.AddRenderer(ren);
renWin.SetWindowName("Display Coordinate Axes");
vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
iren.SetRenderWindow(renWin);
// Visualize
ren.AddActor(sphereActor);
ren.SetBackground(Bgcolor);
vtkAxesActor axes = new vtkAxesActor();
vtkOrientationMarkerWidget widget = new vtkOrientationMarkerWidget();
double rgba[] = new double[] {0.0, 0.0, 0.0, 0.0};
colors.GetColor("Carrot",rgba);
widget.SetOutlineColor(rgba[0], rgba[1], rgba[2]);
widget.SetOrientationMarker(axes);
widget.SetInteractor(iren);
widget.SetViewport( 0.0, 0.0, 0.4, 0.4 );
widget.SetEnabled(1);
widget.InteractiveOn();
ren.GetActiveCamera().Azimuth(50);
ren.GetActiveCamera().Elevation(-30);
ren.ResetCamera();
renWin.SetSize(640, 480);
renWin.Render();
iren.Initialize();
iren.Start();
}
}