awips2/cave/com.raytheon.uf.viz.derivparam.python/localization/derivedParameters/functions/Add.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.
##
from numpy import add
from numpy import array
from Vector import execute as Vector
def execute(*args):
""" Perform scalar or vector addition
"""
if len(args) == 1 and isinstance(args[0], list):
return execute(*args[0])
elif isinstance(args[0], tuple):
return vectorAddition(args)
else:
return scalarAddition(args)
def scalarAddition(args):
return reduce(add, args)
def vectorAddition(args):
from numpy import zeros
targetShape = args[0][2].shape
targetType = args[0][2].dtype
uResult = zeros(shape=(targetShape), dtype=targetType)
vResult = zeros(shape=(targetShape), dtype=targetType)
for arg in args:
uResult = scalarAddition((uResult, arg[2]))
vResult = scalarAddition((vResult, arg[3]))
return Vector(uResult, vResult)
def test():
if not( all(execute(array([1., 2.]), array([3., 4.])) == array([4., 6.]))):
raise Exception
Vector1 = Vector(array([1.,2.]),array([0.,270.]),True)
Vector2 = Vector(array([3.,4.]),array([180.,90.]),True)
(mag, dir, u, v) = execute(Vector1,Vector2)
if not( all(mag == array([2., 2.])) and all(dir.round(0) == array([180., 90.]))):
raise Exception
if not( all(execute(array([1., 2.]), 3.) == array([4., 5.]))):
raise Exception
print "Add Test Complete"