[geotk] Re: applet to display raster

Ramzi Oueslati ramzi at oueslati.org
Tue Jan 11 10:43:59 EST 2011 

Here is the code:

public class RasterApplet extends JApplet {

    private static final MutableStyleFactory SF =
(MutableStyleFactory) FactoryFinder
            .getStyleFactory(new Hints(Hints.STYLE_FACTORY,
                    MutableStyleFactory.class));

    public void init() {
        GeoTiffImageReader.Spi.registerDefaults(null);
        WorldFileImageReader.Spi.registerDefaults(null);
        Registry.setDefaultCodecPreferences();

        final MapContext context = MapBuilder.createContext();

        final JMap2D j2dmap = new JMap2D();
        j2dmap.getContainer().setContext(context);

        final JNavigationBar nav = new JNavigationBar(j2dmap);

        final JTextField textField = new JTextField();
        textField.setEnabled(false);
        JButton b = new JButton("Browse");
        b.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                JFileChooser fc = new JFileChooser();
                int returnVal = fc.showOpenDialog(RasterApplet.this);
                if (returnVal == JFileChooser.APPROVE_OPTION) {
                    File file = fc.getSelectedFile();
                    textField.setText(file.getAbsolutePath());
                    try {
                        GridCoverageReader reader = GridCoverageReaders
                                .createSimpleReader(file);
                        MutableStyle coverageStyle = SF

.style(StyleConstants.DEFAULT_RASTER_SYMBOLIZER);
                        CoverageMapLayer coverageLayer = MapBuilder
                                .createCoverageLayer(reader, coverageStyle,
                                        "background");
                        context.layers().add(coverageLayer);
                        j2dmap.getCanvas().getController().setVisibleArea(
                                context.getBounds());
                    } catch (Exception e) {
                        e.printStackTrace(System.err);
                    }
                }
            }
        });
        JPanel filePanel = new JPanel(new BorderLayout());
        filePanel.add(BorderLayout.WEST, new JLabel("Coverage File"));
        filePanel.add(BorderLayout.CENTER, textField);
        filePanel.add(BorderLayout.EAST, b);

        JPanel mainPanel = new JPanel(new BorderLayout());
        mainPanel.add(BorderLayout.NORTH, nav);
        mainPanel.add(BorderLayout.CENTER, j2dmap);
        mainPanel.add(BorderLayout.SOUTH, filePanel);

        getContentPane().add(mainPanel);
        setSize(new Dimension(750, 400));
    }
}

2011/1/11 Ramzi Oueslati <geotoolkit.org at oueslati.org>:
> Hello list,
>
> I'm trying to make an applet display a geotiff coverage. I first tried
> to make the code run as a java application. So far so good. Then I
> changed the code to make it an applet.
> The applet runs fine through appletviewer but fails through the web
> browser. There are 2 errors: one is related to jpeg and the other is
> related to tiff. Here they are:
>
> # display tiff coverage #
>
> org.geotoolkit.coverage.io.CoverageStoreException: Can't read file "world.tiff".
> No suitable image reader for this input.
>        at org.geotoolkit.coverage.io.ImageCoverageReader.setInput(ImageCoverageReader.java:398)
>        at org.geotoolkit.coverage.io.GridCoverageReaders.createSimpleReader(GridCoverageReaders.java:136)
>        at com.spotimage.sdi.applet.OOApplet$1.actionPerformed(OOApplet.java:69)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
> Caused by: org.geotoolkit.image.io.UnsupportedImageFormatException: No
> suitable image reader for this input.
>        at org.geotoolkit.image.io.XImageIO.getReader(XImageIO.java:355)
>        at org.geotoolkit.image.io.XImageIO.getReaderBySuffix(XImageIO.java:493)
>        at org.geotoolkit.image.io.XImageIO.getReaderBySuffix(XImageIO.java:468)
>        at org.geotoolkit.coverage.io.ImageCoverageReader.createImageReader(ImageCoverageReader.java:455)
>        at org.geotoolkit.coverage.io.ImageCoverageReader.setInput(ImageCoverageReader.java:332)
>        ... 26 more
>
> # display jpeg coverage #
>
> org.opengis.referencing.operation.TransformException: Can't transform envelope.
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1456)
>        at org.geotoolkit.display.primitive.AbstractReferencedGraphic2D.setEnvelope(AbstractReferencedGraphic2D.java:174)
>        at org.geotoolkit.display2d.container.stateless.AbstractLayerJ2D.<init>(AbstractLayerJ2D.java:70)
>        at org.geotoolkit.display2d.container.statefull.StatefullCoverageLayerJ2D.<init>(StatefullCoverageLayerJ2D.java:65)
>        at org.geotoolkit.display2d.container.stateless.StatelessContextJ2D.parseLayer(StatelessContextJ2D.java:127)
>        at org.geotoolkit.display2d.container.stateless.StatelessContextJ2D.layerChange(StatelessContextJ2D.java:200)
>        at org.geotoolkit.map.ContextListener$Weak.layerChange(ContextListener.java:100)
>        at org.geotoolkit.map.DefaultMapContext.fireLayerChange(DefaultMapContext.java:231)
>        at org.geotoolkit.map.DefaultMapContext$AdapterList.add(DefaultMapContext.java:390)
>        at org.geotoolkit.map.DefaultMapContext$AdapterList.add(DefaultMapContext.java:360)
>        at java.util.AbstractList.add(Unknown Source)
>        at com.spotimage.sdi.applet.OOApplet$1.actionPerformed(OOApplet.java:73)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
> Caused by: org.opengis.referencing.operation.OperationNotFoundException:
> No transformation available from system "ImageCRS[Grid]" to
> "GeographicCRS[WGS84(DD)]".
>        at org.geotoolkit.referencing.operation.DefaultCoordinateOperationFactory.createOperation(DefaultCoordinateOperationFactory.java:339)
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1454)
>        ... 35 more
> Jan 11, 2011 4:26:47 PM org.geotoolkit.map.DefaultMapContext getBounds
> WARNING: Data source and map context coordinate system differ, yet it
> was not possible to get a projected bounds estimate...
> org.opengis.referencing.operation.TransformException: Can't transform envelope.
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1456)
>        at org.geotoolkit.map.DefaultMapContext.getBounds(DefaultMapContext.java:136)
>        at com.spotimage.sdi.applet.OOApplet$1.actionPerformed(OOApplet.java:74)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
> Caused by: org.opengis.referencing.operation.OperationNotFoundException:
> No transformation available from system "ImageCRS[Grid]" to
> "GeographicCRS[WGS84(DD)]".
>        at org.geotoolkit.referencing.operation.DefaultCoordinateOperationFactory.createOperation(DefaultCoordinateOperationFactory.java:339)
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1454)
>        ... 26 more
> Jan 11, 2011 4:26:47 PM org.geotoolkit.map.DefaultMapContext getBounds
> WARNING: Data source and map context coordinate system differ, yet it
> was not possible to get a projected bounds estimate...
> org.opengis.referencing.operation.TransformException: Can't transform envelope.
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1456)
>        at org.geotoolkit.map.DefaultMapContext.getBounds(DefaultMapContext.java:136)
>        at com.spotimage.sdi.applet.OOApplet$1.actionPerformed(OOApplet.java:74)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
> Caused by: org.opengis.referencing.operation.OperationNotFoundException:
> No transformation available from system "ImageCRS[Grid]" to
> "GeographicCRS[WGS84(DD)]".
>        at org.geotoolkit.referencing.operation.DefaultCoordinateOperationFactory.createOperation(DefaultCoordinateOperationFactory.java:339)
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1454)
>        ... 26 more
> org.opengis.referencing.operation.TransformException: Can't transform envelope.
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1456)
>        at org.geotoolkit.display.canvas.DefaultCanvasController2D.setVisibleArea(DefaultCanvasController2D.java:272)
>        at org.geotoolkit.display2d.canvas.J2DCanvasVolatile$DelayedController.setVisibleArea(J2DCanvasVolatile.java:299)
>        at com.spotimage.sdi.applet.OOApplet$1.actionPerformed(OOApplet.java:74)
>        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
>        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
>        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
>        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
>        at java.awt.Component.processMouseEvent(Unknown Source)
>        at javax.swing.JComponent.processMouseEvent(Unknown Source)
>        at java.awt.Component.processEvent(Unknown Source)
>        at java.awt.Container.processEvent(Unknown Source)
>        at java.awt.Component.dispatchEventImpl(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
>        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
>        at java.awt.Container.dispatchEventImpl(Unknown Source)
>        at java.awt.Component.dispatchEvent(Unknown Source)
>        at java.awt.EventQueue.dispatchEvent(Unknown Source)
>        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
>        at java.awt.EventDispatchThread.run(Unknown Source)
> Caused by: org.opengis.referencing.operation.OperationNotFoundException:
> No transformation available from system "ImageCRS[Grid]" to
> "GeographicCRS[WGS84(DD)]".
>        at org.geotoolkit.referencing.operation.DefaultCoordinateOperationFactory.createOperation(DefaultCoordinateOperationFactory.java:339)
>        at org.geotoolkit.referencing.CRS.transform(CRS.java:1454)
>        ... 27 more
>
>
> I understand that the first issue seems to be related to the
> imagereader and the second seems to be a transformation issue. But it
> works fine through the appletviewer which makes me think that it is
> probably a missing library issue. Could you please help me ?
>
> Basically the applet allows the user to select a file in the local
> file system (jpeg or tiff). Then it shows the coverage image.
> The applet's jar is signed in order to run outside the security
> sandbox to allow local file system access. I checked that every
> required jar (geotk + extra) is provided with the applet. Every
> dependent jar had to be signed as well. Please let me know if you want
> me to provide the code.
>
> Kind regards,
> Ramzi
>

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