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//
// This example demonstrates the creation of multiple actors and the
// manipulation of their properties and transformations. It is a
// derivative of Cone.py, see that example for more information.
//
import java.lang.Thread;
// we import the vtk wrapped classes forst
import vtk.*;
// then we define our class
public class Cone4 {
// in the static contructor we load in the native code
// The libraries must be in your path to work
static {
System.loadLibrary("vtkCommonJava");
System.loadLibrary("vtkFilteringJava");
System.loadLibrary("vtkIOJava");
System.loadLibrary("vtkImagingJava");
System.loadLibrary("vtkGraphicsJava");
System.loadLibrary("vtkRenderingJava");
}
// now the main program
public static void main (String []args) throws Exception {
//
// Next we create an instance of vtkConeSource and set some of its
// properties. The instance of vtkConeSource "cone" is part of a
// visualization pipeline (it is a source process object); it produces
// data (output type is vtkPolyData) which other filters may process.
//
vtkConeSource cone = new vtkConeSource();
cone.SetHeight( 3.0 );
cone.SetRadius( 1.0 );
cone.SetResolution( 10 );
//
// In this example we terminate the pipeline with a mapper process object.
// (Intermediate filters such as vtkShrinkPolyData could be inserted in
// between the source and the mapper.) We create an instance of
// vtkPolyDataMapper to map the polygonal data into graphics primitives. We
// connect the output of the cone souece to the input of this mapper.
//
vtkPolyDataMapper coneMapper = new vtkPolyDataMapper();
coneMapper.SetInputConnection(cone.GetOutputPort());
//
// Create an actor to represent the first cone. The actor's properties are
// modified to give it different surface properties. By default, an actor
// is create with a property so the GetProperty() method can be used.
//
vtkActor coneActor = new vtkActor();
coneActor.SetMapper(coneMapper);
coneActor.GetProperty().SetColor(0.2, 0.63, 0.79);
coneActor.GetProperty().SetDiffuse(0.7);
coneActor.GetProperty().SetSpecular(0.4);
coneActor.GetProperty().SetSpecularPower(20);
//
// Create a property and directly manipulate it. Assign it to the
// second actor.
//
vtkProperty property = new vtkProperty();
property.SetColor(1.0, 0.3882, 0.2784);
property.SetDiffuse(0.7);
property.SetSpecular(0.4);
property.SetSpecularPower(20);
//
// Create a second actor and a property. The property is directly
// manipulated and then assigned to the actor. In this way, a single
// property can be shared among many actors. Note also that we use the
// same mapper as the first actor did. This way we avoid duplicating
// geometry, which may save lots of memory if the geoemtry is large.
vtkActor coneActor2 = new vtkActor();
coneActor2.SetMapper(coneMapper);
coneActor2.GetProperty().SetColor(0.2, 0.63, 0.79);
coneActor2.SetProperty(property);
coneActor2.SetPosition(0, 2, 0);
//
// Create the Renderer and assign actors to it. A renderer is like a
// viewport. It is part or all of a window on the screen and it is
// responsible for drawing the actors it has. We also set the
// background color here.
//
vtkRenderer ren1 = new vtkRenderer();
ren1.AddActor(coneActor);
ren1.AddActor(coneActor2);
ren1.SetBackground(0.1, 0.2, 0.4);
//
// Finally we create the render window which will show up on the screen.
// We add our two renderers into the render window using AddRenderer. We also
// set the size to be 600 pixels by 300.
//
vtkRenderWindow renWin = new vtkRenderWindow();
renWin.AddRenderer( ren1 );
renWin.SetSize(300, 300);
//
// Make one camera view 90 degrees from other.
//
ren1.ResetCamera();
ren1.GetActiveCamera().Azimuth(90);
//
// now we loop over 360 degreeees and render the cone each time
//
int i;
for (i = 0; i < 360; ++i)
{
Thread.sleep(10);
// render the image
renWin.Render();
// rotate the active camera by one degree
ren1.GetActiveCamera().Azimuth( 1 );
}
}
}
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