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

Example 76 with RenderedOp

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

the class ArcBinaryGridReadTest method testReadJAI.

/**
 * Simple test read through JAI - ImageIO
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
public void testReadJAI() throws IOException {
    if (!isGDALAvailable) {
        return;
    }
    final ParameterBlockJAI pbjImageRead;
    File file = null;
    try {
        file = TestData.file(this, fileName);
    } catch (FileNotFoundException fnfe) {
        LOGGER.warning(warningMessage.toString());
        return;
    }
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    ImageReadParam rp = new ImageReadParam();
    rp.setSourceSubsampling(8, 8, 0, 0);
    pbjImageRead.setParameter("readParam", rp);
    pbjImageRead.setParameter("Input", file);
    RenderedOp image = JAI.create("ImageRead", pbjImageRead);
    if (TestData.isInteractiveTest())
        ImageIOUtilities.visualize(image, fileName, true);
    else
        image.getTiles();
    Assert.assertEquals(251, image.getWidth());
    Assert.assertEquals(369, image.getHeight());
    ImageIOUtilities.disposeImage(image);
}

Example 77 with RenderedOp

use of javax.media.jai.RenderedOp 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 78 with RenderedOp

use of javax.media.jai.RenderedOp 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 79 with RenderedOp

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

Example 80 with RenderedOp

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

the class JP2KReadTest method testJaiOperations.

/**
 * Test read exploiting common JAI operations (Crop-Translate-Rotate)
 *
 * @throws FileNotFoundException
 * @throws IOException
 */
@org.junit.Test
public void testJaiOperations() throws IOException {
    if (!isJP2ECWAvailable) {
        return;
    }
    final File inputFile = TestData.file(this, fileName);
    // ////////////////////////////////////////////////////////////////
    // preparing to read
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjImageRead;
    final ImageReadParam irp = new ImageReadParam();
    Integer xSubSampling = new Integer(2);
    Integer ySubSampling = new Integer(2);
    Integer xSubSamplingOffset = new Integer(0);
    Integer ySubSamplingOffset = new Integer(0);
    irp.setSourceSubsampling(xSubSampling.intValue(), ySubSampling.intValue(), xSubSamplingOffset.intValue(), ySubSamplingOffset.intValue());
    pbjImageRead = new ParameterBlockJAI("ImageRead");
    pbjImageRead.setParameter("Input", inputFile);
    pbjImageRead.setParameter("readParam", irp);
    pbjImageRead.setParameter("Reader", new JP2GDALEcwImageReaderSpi().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())
        ImageIOUtilities.visualize(image, "subsampled");
    // ////////////////////////////////////////////////////////////////
    // preparing to crop
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjCrop = new ParameterBlockJAI("Crop");
    pbjCrop.addSource(image);
    // Setting a square crop to avoid blanks zone when rotating.
    Float xCrop = new Float(image.getMinX() + image.getWidth() / 4);
    Float yCrop = new Float(image.getMinX() + image.getWidth() / 4);
    Float cropWidth = new Float(image.getWidth() / 4);
    Float cropHeigth = new Float(image.getWidth() / 4);
    pbjCrop.setParameter("x", xCrop);
    pbjCrop.setParameter("y", yCrop);
    pbjCrop.setParameter("width", cropWidth);
    pbjCrop.setParameter("height", cropHeigth);
    final RenderedOp croppedImage = JAI.create("Crop", pbjCrop);
    if (TestData.isInteractiveTest())
        ImageIOUtilities.visualize(croppedImage, "cropped");
    // ////////////////////////////////////////////////////////////////
    // preparing to translate
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjTranslate = new ParameterBlockJAI("Translate");
    pbjTranslate.addSource(croppedImage);
    Float xTrans = new Float(xCrop.floatValue() * (-1));
    Float yTrans = new Float(yCrop.floatValue() * (-1));
    pbjTranslate.setParameter("xTrans", xTrans);
    pbjTranslate.setParameter("yTrans", yTrans);
    final RenderedOp translatedImage = JAI.create("Translate", pbjTranslate);
    if (TestData.isInteractiveTest())
        ImageIOUtilities.visualize(translatedImage, "translated");
    // ////////////////////////////////////////////////////////////////
    // preparing to rotate
    // ////////////////////////////////////////////////////////////////
    final ParameterBlockJAI pbjRotate = new ParameterBlockJAI("Rotate");
    pbjRotate.addSource(translatedImage);
    Float xOrigin = new Float(cropWidth.floatValue() / 2);
    Float yOrigin = new Float(cropHeigth.floatValue() / 2);
    Float angle = new Float(java.lang.Math.PI / 2);
    pbjRotate.setParameter("xOrigin", xOrigin);
    pbjRotate.setParameter("yOrigin", yOrigin);
    pbjRotate.setParameter("angle", angle);
    final RenderedOp rotatedImage = JAI.create("Rotate", pbjRotate);
    StringBuilder title = new StringBuilder("SUBSAMP:").append("X[").append(xSubSampling.toString()).append("]-Y[").append(ySubSampling.toString()).append("]-Xof[").append(xSubSamplingOffset.toString()).append("]-Yof[").append(ySubSamplingOffset).append("]CROP:X[").append(xCrop.toString()).append("]-Y[").append(yCrop.toString()).append("]-W[").append(cropWidth.toString()).append("]-H[").append(cropHeigth.toString()).append("]TRANS:X[").append(xTrans.toString()).append("]-Y[").append(yTrans.toString()).append("]ROTATE:xOrig[").append(xOrigin.toString()).append("]-yOrig[").append(yOrigin.toString()).append("]-ang[").append(angle.toString()).append("]");
    if (TestData.isInteractiveTest())
        Viewer.visualizeAllInformation(rotatedImage, title.toString());
    else
        Assert.assertNotNull(rotatedImage.getTiles());
    ImageIOUtilities.disposeImage(rotatedImage);
}