VTK/Examples/Java/Imaging/ImageTest

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ImageTest.java

<source lang="Java">

import java.awt.FileDialog; import java.awt.Frame; import vtk.*;

public class ImageTest {

/** * ImageTest provides a means to test the ImageReader2Factory * Image files understood by vtk are displayed, * all others are reported with a message. */ vtkRenderWindow renWin; vtkRenderWindowInteractor iren; vtkRenderer ren1; vtkImageReader2Factory imageReaderFactory; vtkImageReader2 imageReader; vtkImageActor ImageActor; vtkInteractorObserver imageStyle;

static { System.loadLibrary("vtkCommonJava"); System.loadLibrary("vtkFilteringJava"); System.loadLibrary("vtkIOJava"); System.loadLibrary("vtkImagingJava"); System.loadLibrary("vtkGraphicsJava"); System.loadLibrary("vtkRenderingJava"); System.loadLibrary("vtkWidgetsJava"); }

public static void main(String[] args) {

ImageTest me = new ImageTest(); me.doit();

}


public void doit() { /* * Use a file dialog to allow selection of any file for * test of the imagereaderfactory. * only does one file per exection. */ System.out.println("init in ImageTest"); ren1 = new vtkRenderer(); renWin = new vtkRenderWindow(); iren = new vtkRenderWindowInteractor(); imageStyle = new vtkInteractorStyleImage();

FileDialog fd = new FileDialog( new Frame(),"File name to load", FileDialog.LOAD); fd.setFile("*.*"); fd.setVisible(true); String selected = fd.getFile(); fd.setVisible(false); if (selected != null) { String outname = fd.getDirectory() + selected;

imageReaderFactory = new vtkImageReader2Factory(); imageReader = imageReaderFactory.CreateImageReader2(outname); if (imageReader != null) { imageReader.SetFileName(outname); imageReader.SetDataOrigin(0, 0, 0); imageReader.Update();

ImageActor = new vtkImageActor(); ImageActor.SetInput(imageReader.GetOutput()); renWin.AddRenderer(ren1); iren.SetRenderWindow(renWin);

iren.SetInteractorStyle(imageStyle);

ren1.AddActor(ImageActor); renWin.AddRenderer(ren1);

iren.Initialize(); iren.Start(); System.out.println("Return from interactor"); renWin.Finalize(); } else { System.out.println("No reader found for " + outname); }

} else { System.out.println("No file name selected"); }

} }