Examples with ExportBestFlatImage mpicbg.trakem2.transform.ExportBestFlatImage used on opensource projects

Example 1 with ExportBestFlatImage

use of mpicbg.trakem2.transform.ExportBestFlatImage in project TrakEM2 by trakem2.

the class BlockMatchPairCallable method makeFlatImage.

/**
 * Use different methods depending on the dimensions of the target image and the availability of mipmaps.
 * The goal is to obtain the best possible image.
 *
 * The alpha channel is returned with values between [0..1]
 *
 * @param layer
 * @param patches
 * @param box
 * @param scale
 * @return
 */
private Pair<FloatProcessor, FloatProcessor> makeFlatImage(final Layer layer, final List<Patch> patches, final Rectangle box, final double scale) {
    final Pair<FloatProcessor, FloatProcessor> pair = new ExportBestFlatImage(patches, box, 0, scale).makeFlatFloatGrayImageAndAlpha();
    // Map alpha from 8-bit to the range [0..1]
    final float[] alpha = (float[]) pair.b.getPixels();
    for (int i = 0; i < alpha.length; ++i) {
        alpha[i] = alpha[i] / 255f;
    }
    return pair;
}