final CoordinateReferenceSystem crs2 = maxDP.getCoordinateReferenceSystem();
if (crs1 == null) {
return crs2;
} else {
if (crs2!=null && !crs1.equals(crs2)) {
throw new MismatchedReferenceSystemException(
Errors.format(ErrorKeys.MISMATCHED_COORDINATE_REFERENCE_SYSTEM));
}
return crs1;
}
}