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92 lines
3.1 KiB
92 lines
3.1 KiB
2 years ago
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//
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// This example creates a polygonal model of a cone, and then renders it to
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// the screen. It will rotate the cone 360 degrees and then exit. The basic
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// setup of source -> mapper -> actor -> renderer -> renderwindow is
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// typical of most VTK programs.
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//
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// We import the vtk wrapped classes first.
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import vtk.*;
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// Then we define our class.
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public class Cone {
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// In the static contructor we load in the native code.
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// The libraries must be in your path to work.
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static {
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System.loadLibrary("vtkCommonJava");
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System.loadLibrary("vtkFilteringJava");
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System.loadLibrary("vtkIOJava");
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System.loadLibrary("vtkImagingJava");
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System.loadLibrary("vtkGraphicsJava");
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System.loadLibrary("vtkRenderingJava");
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}
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// now the main program
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public static void main (String []args) {
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//
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// Next we create an instance of vtkConeSource and set some of its
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// properties. The instance of vtkConeSource "cone" is part of a
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// visualization pipeline (it is a source process object); it produces data
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// (output type is vtkPolyData) which other filters may process.
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//
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vtkConeSource cone = new vtkConeSource();
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cone.SetHeight( 3.0 );
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cone.SetRadius( 1.0 );
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cone.SetResolution( 10 );
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//
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// In this example we terminate the pipeline with a mapper process object.
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// (Intermediate filters such as vtkShrinkPolyData could be inserted in
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// between the source and the mapper.) We create an instance of
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// vtkPolyDataMapper to map the polygonal data into graphics primitives. We
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// connect the output of the cone souece to the input of this mapper.
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//
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vtkPolyDataMapper coneMapper = new vtkPolyDataMapper();
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coneMapper.SetInputConnection( cone.GetOutputPort() );
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//
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// Create an actor to represent the cone. The actor orchestrates rendering
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// of the mapper's graphics primitives. An actor also refers to properties
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// via a vtkProperty instance, and includes an internal transformation
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// matrix. We set this actor's mapper to be coneMapper which we created
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// above.
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//
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vtkActor coneActor = new vtkActor();
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coneActor.SetMapper( coneMapper );
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//
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// Create the Renderer and assign actors to it. A renderer is like a
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// viewport. It is part or all of a window on the screen and it is
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// responsible for drawing the actors it has. We also set the background
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// color here
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//
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vtkRenderer ren1 = new vtkRenderer();
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ren1.AddActor( coneActor );
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ren1.SetBackground( 0.1, 0.2, 0.4 );
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//
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// Finally we create the render window which will show up on the screen
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// We put our renderer into the render window using AddRenderer. We also
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// set the size to be 300 pixels by 300
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//
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vtkRenderWindow renWin = new vtkRenderWindow();
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renWin.AddRenderer( ren1 );
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renWin.SetSize( 300, 300 );
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//
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// now we loop over 360 degreeees and render the cone each time
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//
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int i;
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for (i = 0; i < 360; ++i)
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{
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// render the image
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renWin.Render();
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// rotate the active camera by one degree
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ren1.GetActiveCamera().Azimuth( 1 );
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}
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}
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}
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