Examples of org.geotools.geometry.Envelope2D

org.geotools.geometry.Envelope2D
A two-dimensional envelope on top of {@link Rectangle2D}. This implementation is provided for interoperability between Java2D and GeoAPI.
Note: This class inherits {@linkplain #x x} and {@linkplain #y y} fields. Butdespite their names, they don't need to be oriented toward {@linkplain AxisDirection#EAST East}and {@linkplain AxisDirection#NORTH North} respectively. The (x,y) axiscan have any orientation and should be understood as "ordinate 0" and "ordinate 1" values instead. This is not specific to this implementation; in Java2D too, the visual axis orientation depend on the {@linkplain java.awt.Graphics2D#getTransform affine transform in the graphicscontext}. @since 2.1 @version 8.0 @source $URL$ @version $Id$ @author Martin Desruisseaux (IRD) @see GeneralEnvelope @see org.geotools.geometry.jts.ReferencedEnvelope @see org.opengis.metadata.extent.GeographicBoundingBox

        return new int[]{tileSizeX, tileSizeY};
    }


    public static JGrassRegion getJGrassRegionFromGridCoverage( GridCoverage2D gridCoverage2D )
            throws InvalidGridGeometryException, TransformException {
        Envelope2D env = gridCoverage2D.getEnvelope2D();
        GridEnvelope2D worldToGrid = gridCoverage2D.getGridGeometry().worldToGrid(env);


        double xRes = env.getWidth() / worldToGrid.getWidth();
        double yRes = env.getHeight() / worldToGrid.getHeight();


        JGrassRegion region = new JGrassRegion(env.getMinX(), env.getMaxX(), env.getMinY(), env.getMaxY(), xRes, yRes);


        return region;
    }

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     */
    public static GridCoverage2D buildCoverage( String name, double[][] dataMatrix, double n, double s, double w, double e,
            CoordinateReferenceSystem crs, boolean matrixIsRowCol ) {
        WritableRaster writableRaster = createWritableRasterFromMatrix(dataMatrix, matrixIsRowCol);


        Envelope2D writeEnvelope = new Envelope2D(crs, w, s, e - w, n - s);
        GridCoverageFactory factory = CoverageFactoryFinder.getGridCoverageFactory(GeoTools.getDefaultHints());


        GridCoverage2D coverage2D = factory.create(name, writableRaster, writeEnvelope);
        return coverage2D;
    }

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     * @param gridCoverage2D the coverage to write.
     * @throws IOException
     */
    public void writeRaster( GridCoverage2D gridCoverage2D ) throws IOException {
        try {
            Envelope2D env = gridCoverage2D.getEnvelope2D();
            GridEnvelope2D worldToGrid = gridCoverage2D.getGridGeometry().worldToGrid(env);


            double xRes = env.getWidth() / worldToGrid.getWidth();
            double yRes = env.getHeight() / worldToGrid.getHeight();


            JGrassRegion region = new JGrassRegion(env.getMinX(), env.getMaxX(), env.getMinY(), env
                    .getMaxY(), xRes, yRes);


            GrassBinaryImageWriterSpi writerSpi = new GrassBinaryImageWriterSpi();
            GrassBinaryImageWriter writer = new GrassBinaryImageWriter(writerSpi, monitor);
            RenderedImage renderedImage = gridCoverage2D.view(ViewType.GEOPHYSICS)

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    // //
    //
    // Convert the JTS envelope and get the transform
    //
    // //
    final Envelope2D genvelope = new Envelope2D(mapExtent);


    // //
    //
    // Get the transform
    //

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     * @return layer bounds generated from the grid coverage.
     */
    public ReferencedEnvelope getBounds() {
        if (coverage != null) {
            CoordinateReferenceSystem crs = coverage.getCoordinateReferenceSystem();
            Envelope2D bounds = coverage.getEnvelope2D();
            if (bounds != null) {
                return new ReferencedEnvelope(bounds);
            } else if (crs != null) {
                return new ReferencedEnvelope(crs);
            }

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     * @return a {@link Query} object with the BBOX {@link Filter} in it.
     * @throws IOException in case something bad happens
     */
    private Query initQuery() throws Exception {
        final GeneralEnvelope levelRasterArea_ = CRS.transform(finalWorldToGridCorner, rasterManager.spatialDomainManager.coverageBBox);
        final GridEnvelope2D levelRasterArea = new GridEnvelope2D(new Envelope2D(levelRasterArea_), PixelInCell.CELL_CORNER);
        XRectangle2D.intersect(levelRasterArea, rasterBounds, rasterBounds);
        final String typeName = rasterManager.getTypeName();
        Filter bbox = null;
        if (typeName != null){
            Query query = new Query(typeName);

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        assertTrue(CRS.getMapProjection(nad27Tennessee) instanceof LambertConformal1SP);
    }


    public void testTransformWgs84PolarStereographic() throws Exception {
        CoordinateReferenceSystem crs = CRS.decode("EPSG:3031", true);
        Envelope2D envelope = new Envelope2D(DefaultGeographicCRS.WGS84);
        envelope.add(-180, -90);
        envelope.add(180, 0);
        Envelope transformed = CRS.transform(envelope, crs);
        // the result is a square
        assertEquals(transformed.getMaximum(0), transformed.getMaximum(1), 1d);
        assertEquals(transformed.getMinimum(0), transformed.getMinimum(1), 1d);
        assertEquals(Math.abs(transformed.getMinimum(0)), transformed.getMaximum(0), 1d);

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        assertEquals(transformed.getMaximum(0), 1.236739621845986E7, 1d);
    }


    public void testTransformPolarStereographicWgs84() throws Exception {
        CoordinateReferenceSystem crs = CRS.decode("EPSG:3031", true);
        Envelope2D envelope = new Envelope2D(crs);
        // random bbox that does include the pole
        envelope.add(-4223632.8125, -559082.03125);
        envelope.add(5053710.9375, 3347167.96875);
        Envelope transformed = CRS.transform(envelope, DefaultGeographicCRS.WGS84);
        // check we got the whole range of longitudes, since the original bbox contains the pole
        assertEquals(-180d, transformed.getMinimum(0), 0d);
        assertEquals(180d, transformed.getMaximum(0), 0d);
        // another bbox
        envelope = new Envelope2D(crs);
        // random bbox that does not include the pole, but it's really just slightly off it
        envelope.add(-10718812.640513, -10006238.053703);
        envelope.add(12228504.561708, -344209.75803081);
        transformed = CRS.transform(envelope, DefaultGeographicCRS.WGS84);
        assertEquals(-90, transformed.getMinimum(1), 0.1d);
    }

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    }


    public void testTransformPolarStereographicWgs84FalseOrigin() throws Exception {
        // this one has false origins at 6000000/6000000
        CoordinateReferenceSystem crs = CRS.decode("EPSG:3032", true);
        Envelope2D envelope = new Envelope2D(crs);
        envelope.add(5900000, 5900000);
        envelope.add(6100000, 6100000);
        Envelope transformed = CRS.transform(envelope, DefaultGeographicCRS.WGS84);
        // check we got the whole range of longitudes, since the original bbox contains the pole
        assertEquals(-180d, transformed.getMinimum(0), 0d);
        assertEquals(180d, transformed.getMaximum(0), 0d);
    }

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    }


    public void testTransformPolarStereographicToOther() throws Exception {
        CoordinateReferenceSystem antarcticPs = CRS.decode("EPSG:3031", true);
        CoordinateReferenceSystem australianPs = CRS.decode("EPSG:3032", true);
        Envelope2D envelope = new Envelope2D(antarcticPs);
        envelope.add(-4223632.8125, -559082.03125);
        envelope.add(5053710.9375, 3347167.96875);
        Envelope transformed = CRS.transform(envelope, australianPs);
        // has a false easting and northing, we can only check the spans are equal
        assertEquals(transformed.getSpan(0), transformed.getSpan(1), 1d);


        assertEquals(transformed.getMaximum(0), 1.2309982175378662E7, 1d);

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