How to use

getTile

method

in

java.awt.image.WritableRenderedImage

if (renderedImage.getTile(rimtx, rimty).getDataBuffer().getDataType() != writableRI.getTile(wrimtx, wrimty).getDataBuffer().getDataType())
  throw new IllegalArgumentException("rendered image and writable rendered image haven't got same datas type");

  /**
   * Test result obtained from biLinear interpolation and a resampling.
   *
   * @throws NoninvertibleTransformException
   * @throws FactoryException
   * @throws TransformException
   */
  @Test
//    @Ignore
  public void jaiBiLinearTest() throws NoninvertibleTransformException, FactoryException, TransformException {

    setTargetImage(9, 9, DataBuffer.TYPE_DOUBLE,  -1000);
    setAffineMathTransform(MathTransforms.concatenate(pixelInCellCenter, new AffineTransform2D(3, 0, 0, 3, 0, 0), pixelInCellCenter.inverse()));

    /*
     * Resampling
     */
    final Resample resample = new Resample(mathTransform.inverse(), targetImage, sourceImg,
        InterpolationCase.BILINEAR, ResampleBorderComportement.FILL_VALUE, new double[]{0});
    resample.fillImage();
    final Raster coverageRaster = targetImage.getTile(0, 0);
    java.awt.image.DataBufferDouble datadouble = (java.awt.image.DataBufferDouble) coverageRaster.getDataBuffer();
    assertArrayEquals(BILINEAR_RESULT, datadouble.getData(0), 1E-9);
  }

final int tileX = XToTileX(x, tileXOff, tileWidth);
final int tileY = YToTileY(y, tileYOff, tileHeight);
final Raster top    = (tileY != minTileY) ? image.getTile(tileX, tileY-1) : null;
final Raster bottom = (tileY != maxTileY) ? image.getTile(tileX, tileY+1) : null;
final WritableRaster raster = image.getWritableTile(tileX, tileY);
try {

  /**
   * Test result obtained from neighBor interpolation and a resampling.
   *
   * @throws NoninvertibleTransformException
   * @throws FactoryException
   * @throws TransformException
   */
  @Test
//    @Ignore
  public void jaiNeighBorTest() throws NoninvertibleTransformException, FactoryException, TransformException {

    setTargetImage(9, 9, DataBuffer.TYPE_DOUBLE, -1000);
    setAffineMathTransform(MathTransforms.concatenate(pixelInCellCenter, new AffineTransform2D(3, 0, 0, 3, 0, 0), pixelInCellCenter.inverse()));

    /*
     * Resampling
     */
    Resample resample = new Resample(mathTransform.inverse(), targetImage, sourceImg,
        InterpolationCase.NEIGHBOR, ResampleBorderComportement.FILL_VALUE, new double[]{0});
    resample.fillImage();
    Raster coverageRaster = targetImage.getTile(0, 0);

    java.awt.image.DataBufferDouble datadouble = (java.awt.image.DataBufferDouble) coverageRaster.getDataBuffer();
    assertArrayEquals(NEIGHBOR_RESULT, datadouble.getData(0), 1E-9);
  }

if (renderedImage.getTile(rimtx, rimty).getDataBuffer().getDataType() != writableRI.getTile(wrimtx, wrimty).getDataBuffer().getDataType())
  throw new IllegalArgumentException("rendered image and writable rendered image haven't got same datas type");

  /**
   * Test result obtained from biLinear interpolation and a resampling and without any fillvalue.
   *
   * @throws NoninvertibleTransformException
   * @throws FactoryException
   * @throws TransformException
   */
  @Test
//    @Ignore
  public void withoutFillValueBiLinearTest() throws NoninvertibleTransformException, FactoryException, TransformException {

    setTargetImage(9, 9, DataBuffer.TYPE_DOUBLE,  -1000);
    setAffineMathTransform(MathTransforms.concatenate(pixelInCellCenter, new AffineTransform2D(3, 0, 0, 3, 0, 0), pixelInCellCenter.inverse()));

    /*
     * Resampling
     */
    final Resample resample = new Resample(mathTransform.inverse(), targetImage, sourceImg,
        InterpolationCase.BILINEAR, ResampleBorderComportement.FILL_VALUE, null);
    resample.fillImage();
    final Raster coverageRaster = targetImage.getTile(0, 0);
    java.awt.image.DataBufferDouble datadouble = (java.awt.image.DataBufferDouble) coverageRaster.getDataBuffer();
    assertArrayEquals(BILINEAR_RESULT_W_F, datadouble.getData(0), 1E-9);
  }

    InterpolationCase.BICUBIC, ResampleBorderComportement.FILL_VALUE, new double[]{0});
resample.fillImage();
final Raster coverageRaster = targetImage.getTile(0, 0);

final Raster coverageRaster = targetImage.getTile(0, 0);