private static void setSubsetSRGRCoefficients(
final Product sourceProduct,
final Product targetProduct,
final ProductSubsetDef subsetDef,
final MetadataElement absRoot,
final boolean nearRangeOnLeft) {
final MetadataElement SRGRCoefficientsElem = absRoot.getElement("SRGR_Coefficients");
if (SRGRCoefficientsElem != null) {
final double rangeSpacing = absRoot.getAttributeDouble("RANGE_SPACING", 0);
final double colIndex = subsetDef.getRegion() == null ? 0 : subsetDef.getRegion().getX();
for (MetadataElement srgrList : SRGRCoefficientsElem.getElements()) {
final double grO = srgrList.getAttributeDouble("ground_range_origin", 0);
double ground_range_origin_subset;
if (nearRangeOnLeft) {
ground_range_origin_subset = grO + colIndex * rangeSpacing;
} else {
final double colIndexFromRight =
sourceProduct.getSceneRasterWidth() - colIndex - targetProduct.getSceneRasterWidth();
ground_range_origin_subset = grO + colIndexFromRight * rangeSpacing;
}
srgrList.setAttributeDouble("ground_range_origin", ground_range_origin_subset);
}
}
}
