Examples of org.opengis.coverage.grid.GridEnvelope

org.opengis.coverage.grid.GridEnvelope
Provides the {@linkplain GridCoordinates grid coordinate} values for the diametrically opposedcorners of the {@linkplain Grid grid}.
Remark that both corners are inclusive. Thus the number of elements in the direction of the first axis is {@linkplain #getHigh(int) getHigh}(0) - {@linkplain #getLow(int) getLow}(0) + 1. This is the opposite of Java2D usage where maximal values in {@link Rectangle} (as computed by{@linkplain Rectangle#getMaxX getMaxX()} and {@linkplain Rectangle#getMinY getMaxY()}) are exclusive. @source $URL$ @version ISO 19123:2004 @author Wim Koolhoven @author Martin Schouwenburg @since GeoAPI 2.1 @see org.opengis.geometry.Envelope


        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0) / 2;
        final int reqHeight = originalGridRange.getSpan(1) / 2;


        Envelope reqEnvelope = originalEnvelope;


        final GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnvelope);
        assertNotNull("read coverage returned null", coverage);


        GridGeometry2D gg = coverage.getGridGeometry();
        Envelope2D envelope2D = gg.getEnvelope2D();
        GridEnvelope gridRange = gg.getGridRange();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnvelope);


        System.out.println("result envelope   : " + envelope2D);

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        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0);
        final int reqHeight = originalGridRange.getSpan(1);


        GeneralEnvelope reqEnvelope = originalEnvelope;
        reqEnvelope.setCoordinateReferenceSystem(originalEnvelope.getCoordinateReferenceSystem());


        final GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnvelope);
        assertNotNull("read coverage returned null", coverage);


        GridGeometry2D gg = coverage.getGridGeometry();
        Envelope2D envelope2D = gg.getEnvelope2D();
        GridEnvelope gridRange = gg.getGridRange();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnvelope);


        System.out.println("result envelope   : " + envelope2D);

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        final GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnvelope);
        assertNotNull("read coverage returned null", coverage);


        GridGeometry2D gg = coverage.getGridGeometry();
        Envelope2D envelope2D = gg.getEnvelope2D();
        GridEnvelope gridRange = gg.getGridRange();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnvelope);


        System.out.println("result envelope   : " + envelope2D);

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        tableName = "SDE.RASTER.IMG_COQ2001_CLIP_BOS_1";
        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0) / 4;
        final int reqHeight = originalGridRange.getSpan(1) / 4;


        Envelope reqEnvelope = originalEnvelope;
        // GeneralEnvelope reqEnvelope = new GeneralEnvelope(originalEnvelope
        // .getCoordinateReferenceSystem());
        //
        // final double reqMinx = 235901.26048201;
        // final double reqMiny = 901552.0880242661;
        // final double reqMaxx = 236781.26048201;
        // final double reqMaxy = 902253.0880242661;
        //
        // reqEnvelope.setEnvelope(reqMinx, reqMiny, reqMaxx, reqMaxy);


        final GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnvelope);
        assertNotNull("read coverage returned null", coverage);


        GridGeometry2D gg = coverage.getGridGeometry();
        Envelope2D envelope2D = gg.getEnvelope2D();
        GridEnvelope gridRange = gg.getGridRange();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnvelope);


        System.out.println("result envelope   : " + envelope2D);

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        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0) / 8;
        final int reqHeight = originalGridRange.getSpan(1) / 8;


        Envelope reqEnvelope = originalEnvelope;


        final GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnvelope);
        assertNotNull("read coverage returned null", coverage);


        GridGeometry2D gg = coverage.getGridGeometry();
        Envelope2D envelope2D = gg.getEnvelope2D();
        GridEnvelope gridRange = gg.getGridRange();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnvelope);


        System.out.println("result envelope   : " + envelope2D);

View Full Code Here


        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        GridEnvelope originalGridRange = reader.getOriginalGridRange();
        LOGGER.info("original envelope  : " + originalEnvelope);
        LOGGER.info("original grid range: " + originalGridRange);


        int reqWidth = 294;
        int reqHeight = 184;
        GeneralEnvelope reqEnv = new GeneralEnvelope(
                originalEnvelope.getCoordinateReferenceSystem());
        // reqEnv.setEnvelope(236534.9499999986, 901973.4499999813, 236718.8499999986,
        // 902163.0499999814);
        //
        // reqEnv.setEnvelope(32680.0,774232.0,333736.0,962648.0);
        reqEnv.setEnvelope(33192.0, 774244.0, 333224.0, 962136.0);
        GridCoverage2D coverage = readCoverage(reader, reqWidth, reqHeight, reqEnv);


        GridGeometry2D gridGeometry = coverage.getGridGeometry();
        GridEnvelope gridRange = gridGeometry.getGridRange();
        Envelope2D envelope2d = gridGeometry.getEnvelope2D();


        System.out.println("requested size: " + reqWidth + "x" + reqHeight);
        System.out.println("result size   : " + gridRange.getSpan(0) + "x" + gridRange.getSpan(1));


        System.out.println("requested envelope: " + reqEnv);
        System.out.println("result envelope   : " + envelope2d);


        writeToDisk(coverage.getRenderedImage(), tableName);

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        //
        // Initializing read request
        //
        // //
        final GeneralEnvelope envelope = reader.getOriginalEnvelope();
        final GridEnvelope originalRange = reader.getOriginalGridRange();
        final Rectangle rasterArea = new Rectangle(0, 0, (int) Math.ceil(originalRange.getSpan(0) / 9.0), (int) Math.ceil(originalRange.getSpan(1) / 9.0));
        final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
        final GridToEnvelopeMapper geMapper = new GridToEnvelopeMapper(range, envelope);
        geMapper.setPixelAnchor(PixelInCell.CELL_CENTER);
        final AffineTransform gridToWorld = geMapper.createAffineTransform();
        final double requestedResolution[] = new double[]{XAffineTransform.getScaleX0(gridToWorld), XAffineTransform.getScaleY0(gridToWorld)};

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        tableName = rasterTestData.loadRasterCatalog();
        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        final GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0) / 2;
        final int reqHeight = originalGridRange.getSpan(1) / 2;


        GeneralEnvelope reqEnvelope = new GeneralEnvelope(
                originalEnvelope.getCoordinateReferenceSystem());
        double deltaX = originalEnvelope.getSpan(0) / 6;
        double deltaY = originalEnvelope.getSpan(1) / 6;

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        tableName = rasterTestData.loadRasterCatalog();
        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + tableName, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        final GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int reqWidth = originalGridRange.getSpan(0) / 10;
        final int reqHeight = originalGridRange.getSpan(1) / 10;


        GeneralEnvelope reqEnvelope = new GeneralEnvelope(
                originalEnvelope.getCoordinateReferenceSystem());
        double minx = originalEnvelope.getMinimum(0);
        double miny = originalEnvelope.getMinimum(1);

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        final AbstractGridCoverage2DReader reader = getReader();
        assertNotNull("Couldn't obtain a reader for " + fileNamePostFix, reader);


        final GeneralEnvelope originalEnvelope = reader.getOriginalEnvelope();
        final GridEnvelope originalGridRange = reader.getOriginalGridRange();


        final int origWidth = originalGridRange.getSpan(0);
        final int origHeight = originalGridRange.getSpan(1);


        final GridCoverage2D coverage = readCoverage(reader, origWidth, origHeight,
                originalEnvelope);
        assertNotNull("read coverage returned null", coverage);

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