Examples with RenderedOp javax.media.jai.RenderedOp used on opensource projects

Example 71 with RenderedOp

use of javax.media.jai.RenderedOp in project imageio-ext by geosolutions-it.

the class GeoTiffTest method write.

/**
 * Test Writing capabilities.
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@Test
public void write() throws IOException, FileNotFoundException {
    if (!isGDALAvailable) {
        return;
    }
    final File outputFile = TestData.temp(this, "writetest.tif", false);
    outputFile.deleteOnExit();
    final File inputFile = TestData.file(this, "utmByte.tif");
    ImageReadParam rparam = new ImageReadParam();
    rparam.setSourceRegion(new Rectangle(1, 1, 300, 500));
    rparam.setSourceSubsampling(1, 2, 0, 0);
    ImageReader reader = new GeoTiffImageReaderSpi().createReaderInstance();
    reader.setInput(inputFile);
    final IIOMetadata metadata = reader.getImageMetadata(0);
    final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", inputFile);
    pbjImageRead.setParameter("reader", reader);
    pbjImageRead.setParameter("readParam", rparam);
    final ImageLayout l = new ImageLayout();
    l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(256).setTileWidth(256);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image, "geotiff");
    // ////////////////////////////////////////////////////////////////
    // preparing to write
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageWrite = new ParameterBlockJAI("ImageWrite");
    ImageWriter writer = new GeoTiffImageWriterSpi().createWriterInstance();
    pbjImageWrite.setParameter("Output", outputFile);
    pbjImageWrite.setParameter("writer", writer);
    pbjImageWrite.setParameter("ImageMetadata", metadata);
    pbjImageWrite.setParameter("Transcode", false);
    ImageWriteParam param = new ImageWriteParam(Locale.getDefault());
    param.setSourceRegion(new Rectangle(10, 10, 100, 100));
    param.setSourceSubsampling(2, 1, 0, 0);
    pbjImageWrite.setParameter("writeParam", param);
    pbjImageWrite.addSource(image);
    final RenderedOp op = JAI.create("ImageWrite", pbjImageWrite);
    final ImageWriter writer2 = (ImageWriter) op.getProperty(ImageWriteDescriptor.PROPERTY_NAME_IMAGE_WRITER);
    writer2.dispose();
    // ////////////////////////////////////////////////////////////////
    // preparing to read again
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageReRead = new ParameterBlockJAI("ImageRead");
    pbjImageReRead.setParameter("Input", outputFile);
    pbjImageReRead.setParameter("Reader", new GeoTiffImageReaderSpi().createReaderInstance());
    final RenderedOp image2 = JAI.create("ImageRead", pbjImageReRead);
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image2, "geotif2");
    else
        Assert.assertNotNull(image2.getTiles());
}

Example 72 with RenderedOp

use of javax.media.jai.RenderedOp in project imageio-ext by geosolutions-it.

the class GeoTiffTest method palette.

/**
 * Test Read on a Paletted Image
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@Test
public void palette() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    final File outputFile = TestData.temp(this, "writetest.tif", false);
    outputFile.deleteOnExit();
    final File inputFile = TestData.file(this, "paletted.tif");
    ImageReader reader = new GeoTiffImageReaderSpi().createReaderInstance();
    reader.setInput(inputFile);
    final IIOMetadata metadata = reader.getImageMetadata(0);
    final ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", inputFile);
    pbjImageRead.setParameter("reader", reader);
    final ImageLayout l = new ImageLayout();
    l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(256).setTileWidth(256);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image, "Paletted image read");
    // ////////////////////////////////////////////////////////////////
    // preparing to write
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageWrite = new ParameterBlockJAI("ImageWrite");
    ImageWriter writer = new GeoTiffImageWriterSpi().createWriterInstance();
    pbjImageWrite.setParameter("Output", outputFile);
    pbjImageWrite.setParameter("writer", writer);
    pbjImageWrite.setParameter("ImageMetadata", metadata);
    pbjImageWrite.setParameter("Transcode", false);
    pbjImageWrite.addSource(image);
    final RenderedOp op = JAI.create("ImageWrite", pbjImageWrite);
    final ImageWriter writer2 = (ImageWriter) op.getProperty(ImageWriteDescriptor.PROPERTY_NAME_IMAGE_WRITER);
    writer2.dispose();
    // ////////////////////////////////////////////////////////////////
    // preparing to read again
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageReRead = new ParameterBlockJAI("ImageRead");
    pbjImageReRead.setParameter("Input", outputFile);
    pbjImageReRead.setParameter("Reader", new GeoTiffImageReaderSpi().createReaderInstance());
    final RenderedOp image2 = JAI.create("ImageRead", pbjImageReRead);
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image2, "Paletted image read back after writing");
    else
        Assert.assertNotNull(image2.getTiles());
    ImageIOUtilities.disposeImage(image2);
    ImageIOUtilities.disposeImage(image);
}

Example 73 with RenderedOp

use of javax.media.jai.RenderedOp in project imageio-ext by geosolutions-it.

the class GeoTiffTest method readWithWarp.

/**
 * Test Read exploiting JAI-ImageIO tools capabilities
 * and GDAL warp.
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@Test
public void readWithWarp() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    final ParameterBlockJAI pbjImageRead;
    String fileName = "utmByte.tif";
    final File file = TestData.file(this, fileName);
    SpatialReference destinationReference = new SpatialReference();
    destinationReference.SetProjCS("UTM 17 (WGS84) in northern hemisphere.");
    destinationReference.SetWellKnownGeogCS("WGS84");
    destinationReference.SetUTM(17, 1);
    GDALImageReadParam readParam = new GDALImageReadParam();
    readParam.setDestinationWkt(destinationReference.ExportToWkt());
    readParam.setResampleAlgorithm(ResampleAlgorithm.CUBIC);
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", new FileImageInputStreamExtImpl(file));
    pbjImageRead.setParameter("Reader", new GeoTiffImageReaderSpi().createReaderInstance());
    pbjImageRead.setParameter("ReadParam", readParam);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image, "", true);
    else
        Assert.assertNotNull(image.getTiles());
}

Example 74 with RenderedOp

use of javax.media.jai.RenderedOp in project imageio-ext by geosolutions-it.

the class IdrisiReadTest method readJAI.

/**
 * Simple test read through JAI - ImageIO
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@org.junit.Test
public void readJAI() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    final ParameterBlockJAI pbjImageRead;
    final String fileName = "idrisi.rst";
    TestData.unzipFile(this, "idrisi.zip");
    final File file = TestData.file(this, fileName);
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", file);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image, fileName);
    else
        image.getTiles();
    Assert.assertEquals(86, image.getWidth());
    Assert.assertEquals(43, image.getHeight());
    ImageIOUtilities.disposeImage(image);
}

Example 75 with RenderedOp

use of javax.media.jai.RenderedOp in project imageio-ext by geosolutions-it.

the class DOQ1Test method imageRead.

/**
 * Test read exploiting common JAI operations (Crop-Translate-Rotate)
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@Test
public void imageRead() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    File file;
    try {
        file = TestData.file(this, fileName);
    } catch (FileNotFoundException fnfe) {
        LOGGER.info("Test file not available");
        return;
    }
    // ////////////////////////////////////////////////////////////////
    // preparing to read
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageRead;
    final ImageReadParam irp = new ImageReadParam();
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", file);
    pbjImageRead.setParameter("readParam", irp);
    // NOTE that the actual sample data (fakedoq1.doq) only contains a row.
    // Therefore, we need to force the read on that reduced area.
    // Requesting a bigger image height will result in a GDAL ReadBlock error.
    irp.setSourceRegion(new Rectangle(0, 0, 500, 1));
    final ImageLayout l = new ImageLayout();
    l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(32).setTileWidth(32);
    // get a RenderedImage
    RenderedOp image = JAI.create("ImageRead", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
    if (TestData.isInteractiveTest()) {
        Viewer.visualizeAllInformation(image, "test");
    } else {
        Assert.assertNotNull(image.getTiles());
    }
    Assert.assertEquals(500, image.getWidth());
    Assert.assertEquals(1, image.getHeight());
    ImageIOUtilities.disposeImage(image);
}