Examples with ImageCoverageReader org.geotoolkit.coverage.io.ImageCoverageReader used on opensource projects

Example 11 with ImageCoverageReader

use of org.geotoolkit.coverage.io.ImageCoverageReader in project geotoolkit by Geomatys.

the class LandsatResource method getSampleDimensions.

/**
 * {@inheritDoc }
 *
 * @param index 0, 1 or 2 for respectively ({@link LandsatConstants#REFLECTIVE_LABEL},
 * {@link LandsatConstants#PANCHROMATIC_LABEL}, {@link LandsatConstants#THERMAL_LABEL}).
 */
@Override
public List<SampleDimension> getSampleDimensions() throws DataStoreException, CancellationException {
    if (gsdLandsat != null) {
        return gsdLandsat;
    }
    final int[] bandId = group.bands;
    final List<SampleDimension> gList = new ArrayList<>();
    for (int i : bandId) {
        final String bandName = metadataParser.getValue(true, BAND_NAME_LABEL + i);
        final Path resolve = parentDirectory.resolve(bandName);
        final ImageCoverageReader imageCoverageReader = new ImageCoverageReader();
        try {
            final ImageReader tiffReader = TIFF_SPI.createReaderInstance();
            tiffReader.setInput(resolve);
            imageCoverageReader.setInput(tiffReader);
            final List<SampleDimension> candidates = imageCoverageReader.getSampleDimensions();
            if (candidates != null)
                gList.addAll(candidates);
        } catch (IOException ex) {
            throw new DataStoreException(ex);
        } finally {
            imageCoverageReader.dispose();
        }
    }
    gsdLandsat = gList;
    return gsdLandsat;
}