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

Example 31 with ImageLayout

use of javax.media.jai.ImageLayout 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);
}

Example 32 with ImageLayout

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

the class DTEDTest method imageRead.

/**
 * Test read exploiting common JAI operations (Crop-Translate-Rotate)
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@org.junit.Test
public void imageRead() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    File file;
    try {
        file = TestData.file(this, fileName);
    } catch (FileNotFoundException fnfe) {
        warningMessage();
        return;
    }
    // ////////////////////////////////////////////////////////////////
    // preparing to read
    // ////////////////////////////////////////////////////////////////
    final ImageLayout l = new ImageLayout();
    l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(32).setTileWidth(32);
    // get a RenderedImage
    ImageReader reader = new DTEDImageReaderSpi().createReaderInstance();
    reader.setInput(file);
    RenderedImage image = reader.read(0);
    if (TestData.isInteractiveTest()) {
        ImageIOUtilities.visualize(image, "test", true);
    } else {
        Assert.assertNotNull(image.getData());
    }
    Assert.assertEquals(121, image.getWidth());
    Assert.assertEquals(121, image.getHeight());
    reader.dispose();
}

Example 33 with ImageLayout

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

the class BSBTest method imageRead.

/**
 * Test read exploiting common JAI operations (Crop-Translate-Rotate)
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@org.junit.Test
public void imageRead() throws FileNotFoundException, IOException {
    if (!isGDALAvailable) {
        return;
    }
    File file;
    try {
        file = TestData.file(this, fileName);
    } catch (FileNotFoundException fnfe) {
        super.warningMessage();
        return;
    }
    // ////////////////////////////////////////////////////////////////
    // preparing to read
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageRead;
    final ImageReadParam irp = new ImageReadParam();
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", file);
    pbjImageRead.setParameter("readParam", irp);
    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()) {
        ImageIOUtilities.visualize(image, "test", true);
    } else {
        Assert.assertNotNull(image.getData());
    }
    Assert.assertEquals(50, image.getWidth());
    Assert.assertEquals(50, image.getHeight());
    ImageIOUtilities.disposeImage(image);
}

Example 34 with ImageLayout

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

the class HDF4Test method subDatasets.

/**
 * This test method uses an HDF4 file containing several subdatasets
 */
@Test
public void subDatasets() throws FileNotFoundException, IOException {
    if (!isLinux && isDriverAvailable)
        return;
    try {
        final int startIndex = 0;
        final int loopLength = 5;
        for (int i = startIndex; i < startIndex + loopLength; i++) {
            final ImageReadParam irp = new ImageReadParam();
            irp.setSourceSubsampling(1, 1, 0, 0);
            final String fileName = "TOVS_DAILY_AM_870330_NG.HDF";
            final File file = TestData.file(this, fileName);
            ParameterBlockJAI pbjImageRead = new ParameterBlockJAI("ImageRead");
            final ImageReader mReader = new HDF4ImageReaderSpi().createReaderInstance();
            pbjImageRead.setParameter("Input", file);
            pbjImageRead.setParameter("Reader", mReader);
            pbjImageRead.setParameter("readParam", irp);
            pbjImageRead.setParameter("ImageChoice", new Integer(i));
            final ImageLayout l = new ImageLayout();
            l.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(256).setTileWidth(256);
            // get a RenderedImage
            RenderedOp image = JAI.create("ImageRead", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, l));
            image.getTiles();
            if (TestData.isInteractiveTest())
                Viewer.visualizeAllInformation(image, fileName);
            mReader.dispose();
        }
    } catch (FileNotFoundException fnfe) {
        warningMessage();
    }
}

Example 35 with ImageLayout

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

the class JP2KReadTest method read.

/**
 * Simple test read
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@Test
public void read() throws FileNotFoundException, IOException {
    if (!isJp2MrSidDriverAvailable) {
        return;
    }
    final ParameterBlockJAI pbjImageRead;
    final File file = TestData.file(this, fileName);
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", file);
    pbjImageRead.setParameter("Reader", new JP2GDALMrSidImageReaderSpi().createReaderInstance());
    final ImageLayout layout = new ImageLayout();
    layout.setTileGridXOffset(0).setTileGridYOffset(0).setTileHeight(256).setTileWidth(256);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead, new RenderingHints(JAI.KEY_IMAGE_LAYOUT, layout));
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(image, fileName);
    else
        Assert.assertNotNull(image.getTiles());
    ImageIOUtilities.disposeImage(image);
}