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 int width = originalGridRange.getSpan(0);
        return width;
    }


    public int getImageHeight() {
        final GridEnvelope originalGridRange = getOriginalGridRange();
        final int height = originalGridRange.getSpan(1);
        return height;
    }

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    }


    public MathTransform getRasterToModel(final int rasterIndex, final int pyramidLevel) {


        GeneralEnvelope levelEnvelope = getGridEnvelope(rasterIndex, pyramidLevel);
        GridEnvelope levelGridRange = getGridRange(rasterIndex, pyramidLevel);


        // create a raster to model transform, from this tile pixel space to the tile's geographic
        // extent
        GridToEnvelopeMapper geMapper = new GridToEnvelopeMapper(levelGridRange, levelEnvelope);
        geMapper.setPixelAnchor(PixelInCell.CELL_CORNER);

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        return level.getSpatialExtent();
    }


    public GridEnvelope getGridRange(final int rasterIndex, final int pyramidLevel) {
        PyramidLevelInfo level = getLevel(rasterIndex, pyramidLevel);
        GridEnvelope levelRange = level.getGridEnvelope();
        return levelRange;
    }

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        return matchingTiles;
    }


    private static GridEnvelope getTargetGridRange(final MathTransform modelToRaster,
            final Envelope requestedEnvelope) {
        GridEnvelope levelOverlappingPixels;
        int levelMinPixelX;
        int levelMaxPixelX;
        int levelMinPixelY;
        int levelMaxPixelY;
        {

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        }


        for (RasterQueryInfo rasterResultInfo : results) {
            final GeneralEnvelope rasterResultEnvelope = rasterResultInfo.getResultEnvelope();


            final GridEnvelope targetRasterGridRange;
            targetRasterGridRange = getTargetGridRange(modelToRaster, rasterResultEnvelope);


            rasterResultInfo.setMosaicLocation(targetRasterGridRange);


            minx = Math.min(minx, targetRasterGridRange.getLow(0));
            miny = Math.min(miny, targetRasterGridRange.getLow(1));
            maxx = Math.max(maxx, targetRasterGridRange.getHigh(0));
            maxy = Math.max(maxy, targetRasterGridRange.getHigh(1));
        }


        final GridEnvelope2D mosaicDimension;
        mosaicDimension = new GridEnvelope2D(minx, miny, 1 + (maxx - minx), 1 + (maxy - miny));
        return mosaicDimension;

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    }


    public static void fitRequestToRaster(final GeneralEnvelope requestedEnvelope,
            final RasterDatasetInfo rasterInfo, final RasterQueryInfo query) {


        GridEnvelope resultGridRange;
        GeneralEnvelope resultEnvelope;
        // GridEnvelope resultDimensionInsideTiledImage;
        GridEnvelope tiledImageGridRange;
        // GridEnvelope levelTileRange;
        GridEnvelope matchingTiles;


        int rasterIndex = query.getRasterIndex();
        int pyramidLevel = query.getPyramidLevel();
        MathTransform2D rasterToModel = (MathTransform2D) rasterInfo.getRasterToModel(rasterIndex,
                pyramidLevel);
        MathTransform2D modelToRaster;


        try {
            modelToRaster = (MathTransform2D) rasterToModel.inverse();
            final GeneralEnvelope adjustedGRange = CRS.transform(modelToRaster, requestedEnvelope);


            int xmin = (int) Math.floor(adjustedGRange.getMinimum(0));
            int ymin = (int) Math.floor(adjustedGRange.getMinimum(1));
            int xmax = (int) Math.ceil(adjustedGRange.getMaximum(0));
            int ymax = (int) Math.ceil(adjustedGRange.getMaximum(1));


            final GridEnvelope levelRange = rasterInfo.getGridRange(rasterIndex, pyramidLevel);


            xmin = Math.max(xmin, levelRange.getLow(0));
            ymin = Math.max(ymin, levelRange.getLow(1));
            xmax = Math.min(xmax, levelRange.getHigh(0) + 1);// 1+ because getHigh is inclusive
            ymax = Math.min(ymax, levelRange.getHigh(1) + 1);// 1+ because getHigh is inclusive


            int width = xmax - xmin;
            int height = ymax - ymin;


            resultGridRange = new GridEnvelope2D(xmin, ymin, width, height);

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    private static GridEnvelope findMatchingTiles(RasterDatasetInfo rasterInfo, int rasterIndex,
            int pyramidLevel, GridEnvelope resultGridRange) {
        final Dimension tileSize = rasterInfo.getTileDimension(rasterIndex);
        final int numTilesWide = rasterInfo.getNumTilesWide(rasterIndex, pyramidLevel);
        final int numTilesHigh = rasterInfo.getNumTilesHigh(rasterIndex, pyramidLevel);
        GridEnvelope matchingTiles;
        matchingTiles = findMatchingTiles(tileSize, numTilesWide, numTilesHigh, resultGridRange);
        return matchingTiles;
    }

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   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public void setLimits(GridEnvelope newLimits) {
    GridEnvelope oldLimits = limits;
    limits = newLimits;
    if (eNotificationRequired())
      eNotify(new ENotificationImpl(this, Notification.SET, GmlPackage.GRID_TYPE__LIMITS, oldLimits, limits));
  }

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             * with that envelope. The grid range of that grid geometry is the new image size.
             * Note that failure to transform the envelope is non-fatal (we will assume that the
             * target image should have the same size). Then create again a new grid geometry,
             * this time with the target envelope.
             */
            GridEnvelope gridRange;
            try {
                final GeneralEnvelope transformed;
                transformed = CRS.transform(CRS.getCoordinateOperationFactory(true)
                        .createOperation(targetCRS, reducedCRS), target);
                final Envelope reduced;

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    // Check that we got everything correctly after the crop.
    //
    // /////////////////////////////////////////////////////////////////////
    // checking the ranges of the output image.
    final GridGeometry2D croppedGG = (GridGeometry2D) cropped.getGridGeometry();
    final GridEnvelope croppedGR = croppedGG.getGridRange();
    final MathTransform croppedG2W = croppedGG.getGridToCRS(PixelInCell.CELL_CENTER);
    final GeneralEnvelope croppedEnvelope = (GeneralEnvelope) cropped.getEnvelope();
    assertTrue("min x do not match after crop", 29 == croppedGR.getLow(0));
    assertTrue("min y do not match after crop", 30 == croppedGR.getLow(1));
    assertTrue("max x do not match after crop", 90 == croppedGR.getHigh(0)+1);
    assertTrue("max y do not match after crop", 91 == croppedGR.getHigh(1)+1);
    // check that the affine transform are the same thing
    assertTrue(
        "The Grdi2World tranformations of the original and the cropped covearage do not match",
        sourceG2W.equals(croppedG2W));
    // check that the envelope is correct

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