VTK/Examples/Java/Imaging/ImageTest
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"); }
} }
