35 lines
1.1 KiB
Python
35 lines
1.1 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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# ----------------------------------------------------------------
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# Calculate Direction
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# ----------------------------------------------------------------
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from numpy import arctan2
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from numpy import any
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def execute(uW, vW, copy=False):
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# 180.0 / pi = 57.2957
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dir = 57.2957 * arctan2(-uW,-vW)
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dirN = dir < 0
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if any(dirN):
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dir[dirN] += 360.0
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return dir
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