awips2/cave/com.raytheon.uf.viz.derivparam.python/localization/derivedParameters/functions/satDifference.py
root e2ecdcfe33 Initial revision of AWIPS2 11.9.0-7p5
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Python

##
# This software was developed and / or modified by Raytheon Company,
# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
#
# U.S. EXPORT CONTROLLED TECHNICAL DATA
# This software product contains export-restricted data whose
# export/transfer/disclosure is restricted by U.S. law. Dissemination
# to non-U.S. persons whether in the United States or abroad requires
# an export license or other authorization.
#
# Contractor Name: Raytheon Company
# Contractor Address: 6825 Pine Street, Suite 340
# Mail Stop B8
# Omaha, NE 68106
# 402.291.0100
#
# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
# further licensing information.
##
# ----------------------------------------------------------------
#
#
# ----------------------------------------------------------------
import numpy
##
# Calculate the difference between the 11u and 12u IR.
# This function accepts numpy arrays of the appropriate values.
#
# @param physicalElement1
# @param physicalElement2
# @return: The difference of the two sat imagers
# @rtype: numpy array or scalar
#
def execute(physicalElement1, physicalElement2):
result = physicalElement2 - physicalElement1
result = numpy.where(result < 0, physicalElement1 - physicalElement2, result)
return result