@Test public void testMissingNullValuesInCoverageDimensions() throws IOException { CoverageInfo ci = getCatalog().getCoverageByName(getLayerId(MockData.TASMANIA_DEM)); List<CoverageDimensionInfo> dimensions = ci.getDimensions(); // legacy layers have no null value list dimensions.get(0).getNullValues().clear(); getCatalog().save(ci); // and now go back and ask for the reader ci = getCatalog().getCoverageByName(getLayerId(MockData.TASMANIA_DEM)); GridCoverageReader reader = ci.getGridCoverageReader(null, null); GridCoverage2D gc = null; try { // check that we maintain the native info if we don't have any gc = (GridCoverage2D) reader.read(null); assertEquals(-9999d, (Double) gc.getProperty("GC_NODATA"), 0d); } finally { if (gc != null) { RenderedImage ri = gc.getRenderedImage(); if (gc instanceof GridCoverage2D) { ((GridCoverage2D) gc).dispose(true); } if (ri instanceof PlanarImage) { ImageUtilities.disposePlanarImageChain((PlanarImage) ri); } } } }
/** * Dispose the provided coverage for good. * * @param coverage */ private void disposeCoverage(GridCoverage2D coverage) { if (coverage == null) { return; } final RenderedImage im = coverage.getRenderedImage(); ImageUtilities.disposePlanarImageChain(PlanarImage.wrapRenderedImage(im)); coverage.dispose(true); }
private byte[] getROIData(ROI roi, Rectangle rectIMG) { byte[] dataROI; PlanarImage roiIMG = roi.getAsImage(); Rectangle rectROI = roiIMG.getBounds(); // Forcing to component colormodel in order to avoid packed bits ImageWorker w = new ImageWorker(); w.setImage(roiIMG); w.forceComponentColorModel(); RenderedImage img = w.getRenderedImage(); // BufferedImage test = new BufferedImage(rectIMG.width, rectIMG.height, BufferedImage.TYPE_BYTE_GRAY); ImageLayout2 layout = new ImageLayout2(test); layout.setMinX(img.getMinX()); layout.setMinY(img.getMinY()); layout.setWidth(img.getWidth()); layout.setHeight(img.getHeight()); // Lookup byte[] lut = new byte[256]; lut[255] = 1; lut[1] = 1; LookupTableJAI table = new LookupTableJAI(lut); RenderingHints hints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout); RenderedOp transformed = LookupDescriptor.create(img, table, hints); Graphics2D gc2d = null; // Translation parameters in order to position the ROI data correctly in the Raster Space int trX = -rectIMG.x + rectROI.x - rectIMG.x; int trY = -rectIMG.y + rectROI.y - rectIMG.y; try { gc2d = test.createGraphics(); gc2d.drawRenderedImage(transformed, AffineTransform.getTranslateInstance(trX, trY)); } finally { gc2d.dispose(); } Rectangle testRect = new Rectangle(rectIMG.width, rectIMG.height); DataBufferByte dbRoi = (DataBufferByte) test.getData(testRect).getDataBuffer(); dataROI = dbRoi.getData(); // BufferedImage is stored in memory so the planarImage chain before can be disposed ImageUtilities.disposePlanarImageChain(transformed); // Flush of the BufferedImage test.flush(); return dataROI; }
/** * This method reads in the TIFF image, constructs an appropriate CRS, determines the math * transform from raster to the CRS model, and constructs a GridCoverage. * * @param params currently ignored, potentially may be used for hints. * @return grid coverage represented by the image * @throws IOException on any IO related troubles */ public GridCoverage2D read(GeneralParameterValue[] params) throws IOException { GeneralEnvelope requestedEnvelope = null; Rectangle dim = null; Color inputTransparentColor = null; OverviewPolicy overviewPolicy = null; int[] suggestedTileSize = null; if (params != null) { // // Checking params // if (params != null) { for (int i = 0; i < params.length; i++) { final ParameterValue param = (ParameterValue) params[i]; final ReferenceIdentifier name = param.getDescriptor().getName(); if (name.equals(AbstractGridFormat.READ_GRIDGEOMETRY2D.getName())) { final GridGeometry2D gg = (GridGeometry2D) param.getValue(); requestedEnvelope = new GeneralEnvelope((Envelope) gg.getEnvelope2D()); dim = gg.getGridRange2D().getBounds(); continue; } if (name.equals(AbstractGridFormat.OVERVIEW_POLICY.getName())) { overviewPolicy = (OverviewPolicy) param.getValue(); continue; } if (name.equals(AbstractGridFormat.INPUT_TRANSPARENT_COLOR.getName())) { inputTransparentColor = (Color) param.getValue(); continue; } if (name.equals(AbstractGridFormat.SUGGESTED_TILE_SIZE.getName())) { String suggestedTileSize_ = (String) param.getValue(); if (suggestedTileSize_ != null && suggestedTileSize_.length() > 0) { suggestedTileSize_ = suggestedTileSize_.trim(); int commaPosition = suggestedTileSize_.indexOf(","); if (commaPosition < 0) { int tileDim = Integer.parseInt(suggestedTileSize_); suggestedTileSize = new int[] {tileDim, tileDim}; } else { int tileW = Integer.parseInt(suggestedTileSize_.substring(0, commaPosition)); int tileH = Integer.parseInt(suggestedTileSize_.substring(commaPosition + 1)); suggestedTileSize = new int[] {tileW, tileH}; } } continue; } } } } // // set params // Integer imageChoice = new Integer(0); final ImageReadParam readP = new ImageReadParam(); try { imageChoice = setReadParams(overviewPolicy, readP, requestedEnvelope, dim); } catch (TransformException e) { new DataSourceException(e); } // // IMAGE READ OPERATION // Hints newHints = null; if (suggestedTileSize != null) { newHints = hints.clone(); final ImageLayout layout = new ImageLayout(); layout.setTileGridXOffset(0); layout.setTileGridYOffset(0); layout.setTileHeight(suggestedTileSize[1]); layout.setTileWidth(suggestedTileSize[0]); newHints.add(new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout)); } final ParameterBlock pbjRead = new ParameterBlock(); if (extOvrImgChoice >= 0 && imageChoice >= extOvrImgChoice) { pbjRead.add( ovrInStreamSPI.createInputStreamInstance( ovrSource, ImageIO.getUseCache(), ImageIO.getCacheDirectory())); pbjRead.add(imageChoice - extOvrImgChoice); } else { pbjRead.add( inStreamSPI != null ? inStreamSPI.createInputStreamInstance( source, ImageIO.getUseCache(), ImageIO.getCacheDirectory()) : ImageIO.createImageInputStream(source)); pbjRead.add(imageChoice); } pbjRead.add(Boolean.FALSE); pbjRead.add(Boolean.FALSE); pbjRead.add(Boolean.FALSE); pbjRead.add(null); pbjRead.add(null); pbjRead.add(readP); pbjRead.add(READER_SPI.createReaderInstance()); RenderedOp coverageRaster = JAI.create("ImageRead", pbjRead, newHints != null ? (RenderingHints) newHints : null); // // MASKING INPUT COLOR as indicated // if (inputTransparentColor != null) { coverageRaster = new ImageWorker(coverageRaster) .setRenderingHints(newHints) .makeColorTransparent(inputTransparentColor) .getRenderedOperation(); } AffineTransform rasterToModel = getRescaledRasterToModel(coverageRaster); try { return createCoverage(coverageRaster, ProjectiveTransform.create(rasterToModel)); } catch (Exception e) { // dispose and close file ImageUtilities.disposePlanarImageChain(coverageRaster); // rethrow if (e instanceof DataSourceException) { throw (DataSourceException) e; } throw new DataSourceException(e); } }