awips2/cave/com.raytheon.uf.viz.derivparam.python/localization/derivedParameters/functions/Slice.py
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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 gridslice
from numpy import ndarray
def execute(*args):
#defineNumpySlice(vc, param, targetLevel, sense)
# vc - cube/list for output parameter
# param - cube of data that is the same as targetLevel
# targetLevel - constant value level
# sense - corresponds to vc for vertical coordinate and whether to search for highest/lowest occurence
#
#createNumpySlice(vc, s3d, targetLevel, sense, hyb-optional)
# vc - cube/list of data that is the same as targetLevel
# s3d - cube for output parameter
# targetLevel - 2d grid of data values to find in vc to interpolate s3d
# sense - corresponds to vc for vertical coordinate and whether to search for highest/lowest occurence
if len(args) == 3:
# cube, target level, sense
if type(args[1]) == ndarray:
# target level is 2d grid
rval = gridslice.createNumpySlice(args[0][1], args[0][0], args[1], int(args[2]))
return rval
else:
# target level is single value
rval = gridslice.defineNumpySlice(args[0][1], args[0][0], args[1], int(args[2]))
return rval
else:
if type(args[2]) == ndarray:
# cube, cube, grid, sense
rval = gridslice.createNumpySlice(args[0][0], args[1][0], args[2], int(args[3]))
return rval
else:
# cube, cube, level, sense
# need to make 2 slice calls, one to create the common level slice
# and a second to make the output slice
levelSense = -1
if abs(int(args[3])) > 1:
levelSense = -2
# create slice at common cube level
rval = gridslice.defineNumpySlice(args[0][1], args[0][0], args[2], levelSense)
rval = gridslice.createNumpySlice(args[1][1], args[1][0], rval, int(args[3]))
return rval