e2ecdcfe33
Former-commit-id:a02aeb236c[formerly9f19e3f712] [formerlya02aeb236c[formerly9f19e3f712] [formerly06a8b51d6d[formerly 64fa9254b946eae7e61bbc3f513b7c3696c4f54f]]] Former-commit-id:06a8b51d6dFormer-commit-id:8e80217e59[formerly3360eb6c5f] Former-commit-id:377dcd10b9
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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import numpy
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def execute(SFEXC):
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#linear mapping 0->0 through 60->19.68, y = 0.328x
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#61->252 goes to pixel 229, data point is 19.7728
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#253 goes to pixel 0, data point is -1.48528
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#254 goes to pixel 240, data point is 20.7939
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#if data < 61 multiply by .328
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#if data is > 60 and < 253 set to 19.7728
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#if data is 253 set to -1.48528
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#if data is 254 set to 20.7939
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#mask values above 60
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result = numpy.ma.masked_greater(SFEXC, 60)
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#transform unmasked values
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result *= 0.328
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#remove mask
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result.mask = numpy.ma.nomask
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#mask all values below 61 and above 252
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result = numpy.ma.masked_less(result, 61)
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result = numpy.ma.masked_greater(result, 252)
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result *= 0
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result += 19.7728
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result.mask = numpy.ma.nomask
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#mask all but 253
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result = numpy.ma.masked_not_equal(result, 253)
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result *= 0
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result += -1.48528
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result.mask = numpy.ma.nomask
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#mask all but 254
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result = numpy.ma.masked_not_equal(result, 254)
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result *= 0
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result += 20.7939
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result.mask = numpy.ma.nomask
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return result
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def main():
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testin = numpy.array([[12.0,36,253,64,53,24,33],[253,254,112,29,42,1,55],[12,123,253,18,254,22,212]])
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testout = execute(testin)
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print(testout)
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if __name__ == "__main__":
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main()
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