How to use

create

method

in

javax.media.jai.operator.NullDescriptor

/**
 * Returns the {@linkplain #getRenderedImage rendered image} as a rendered operation.
 *
 * @see #getRenderedImage
 * @see #getPlanarImage
 * @see #getImageAsROI
 */
public final RenderedOp getRenderedOperation() {
  final RenderedImage image = getRenderedImage();
  if (image instanceof RenderedOp) {
    return (RenderedOp) image;
  }
  return NullDescriptor.create(image, getRenderingHints());
}

/**
 * Returns the {@linkplain #getRenderedImage rendered image} as a rendered operation.
 *
 * @return The rendered operation.
 *
 * @see #getRenderedImage
 * @see #getPlanarImage
 * @see #getImageAsROI
 */
public final RenderedOp getRenderedOperation() {
  final RenderedImage image = getRenderedImage();
  if (image instanceof RenderedOp) {
    return (RenderedOp) image;
  }
  return NullDescriptor.create(image, getRenderingHints());
}

classificationRaster = NullDescriptor.create(classificationRaster, hints);

    DEFAULT_HEIGHT, imageValue, false);
RenderedOp testIMG = NullDescriptor.create(testImg, null);

    DEFAULT_HEIGHT, imageValue, false);
RenderedOp testIMG = NullDescriptor.create(testImg, null);

    imageValue, false);
RenderedOp testIMG = NullDescriptor.create(testImg, null);