[vtkusers] generate 3D images from 2D bmp files in java

[Jonathan Ruiz Peinado]

mmm

try this to refresh it , it works for me

VtkPanel().Render()

also

you can try

vtkPanel.repaint();

2012/6/14 Rémi DUCCESCHI <remi.ducceschi at gmail.com>

> Hello again!
>
> To answer myself (it will maybe help someone later): it's much easier to
> use vtk 5.10 to do what I want thanks to this :
> http://www.cmake.org/Wiki/VTK/Image_Rendering_Classes
>
> I still have a problem for updating the vtkRenderWindowPanel: I change the
> slice by changing the position of the actor
>                 actor.SetPosition(pos); // pos is a double[]
>                 panel.Render();
> it does exactly what I want, but the Panel isn't updated until I create an
> event with my mouse.
> if you know what I can do, you would be welcome!!!
>
> from the beginning to the end, we have the following source code to create
> and display a 3D image (see bellow)
>
>
> ------------------------------------- SOURCE CODE
> ----------------------------------
> public class PrintPix extends JFrame
> {
>     public PrintPix (File[] paths)
>     {
>         int size = paths.length;
>         vtkStringArray array = new vtkStringArray();
>
>         array.SetNumberOfValues(size);
>         for (int i = 0; i < size; i++)
>         {
>             array.SetValue(i, paths[i].getAbsolutePath());
>         }
>
>         reader = new vtkBMPReader();
>         actor = new vtkImageSlice();
>         int numberOfFile = paths.GetNumberOfValues() - 1; // number of
> open pictures - 1
>
>         // open pictures and create a 3D picture
>         // reader.SetFileNames(paths);
>         reader.SetDataExtent(0, numberOfFile, 0, numberOfFile, 0,
> numberOfFile);
>         reader.SetDataSpacing(1, 1, 40);
>         reader.SetFileNames(array);
>         reader.Update();
>
>         // put it in a mapper
>         vtkImageResliceMapper mapper = new vtkImageResliceMapper();
>         mapper.SetInputConnection(reader.GetOutputPort());
>         mapper.SliceFacesCameraOn();
>         mapper.SliceAtFocalPointOn();
>
>         // on créél les propriétés de l'image
>         vtkImageProperty props = new vtkImageProperty();
>         props.SetInterpolationTypeToLinear();
>
>         // put all in an actor
>         actor.SetMapper(mapper);
>         actor.SetProperty(props);
>         mapper.UpdateInformation();
>
>         panel = new vtkRenderWindowPanel();
>         vtkInteractorStyleImage it = new vtkInteractorStyleImage();
>         it.SetInteractionModeToImage3D();
>         panel.GetRenderer().AddActor(actor);
>         panel.setInteractorStyle(it);
>
>         panel.setPreferredSize(new Dimension(728, 728));
>         panel.Render();
>
>         add(panel, BorderLayout.CENTER);
>
>         setTitle("image");
>         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
>         pack();
>         setVisible(true);
>
>         panel.Render();
>     }
> }
>
> public static void main (String[] args)
>     {
>         File paths[];
>         // we initialize "paths" with all the pictures we want to open
> (with a JFileChooser for instance)
>
>         PrintPix principal = new PrintPix(paths);
>     }
>
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