25933215b4
Change-Id: I1458eccb026d7ccace1b52406d05105de928018c Former-commit-id: 7f04ad56bfefc4aa1e3c04228481ab2cb444b618
96 lines
4 KiB
Python
96 lines
4 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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from Init import *
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##--------------------------------------------------------------------------
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## Module that calculates surface weather elements from WW3 model
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## output.
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##
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##--------------------------------------------------------------------------
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class WW3Forecaster(Forecaster):
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def __init__(self, srcdb, destdb):
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Forecaster.__init__(self, srcdb, destdb)
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##--------------------------------------------------------------------------
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## Calculates wave height from the WW3 model. Converts to feet from meters
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##--------------------------------------------------------------------------
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def calcWaveHeight(self, htsgw_SFC):
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# Convert meters to feet
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grid = htsgw_SFC * 3.281
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# Return the new value
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return grid
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##--------------------------------------------------------------------------
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## Calculates wind wave height from the WW3 model. Converts to feet from meters
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##--------------------------------------------------------------------------
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def calcWindWaveHgt(self, wvhgt_SFC):
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# Convert meters to feet
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grid = wvhgt_SFC * 3.281
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# Return the new value
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return grid
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##--------------------------------------------------------------------------
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## Calculates wind from the WW3 model. Convert from meters/sec to knots.
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##--------------------------------------------------------------------------
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def calcWind(self, wind_SFC):
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# extract the wind speed and direction
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mag = wind_SFC[0].copy()
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mag[greater(wind_SFC[0], 100)] = 0
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mag *= 1.94 # convert
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dir = wind_SFC[1].copy()
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dir[greater(wind_SFC[0], 100)] = 0
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dir.clip(0, 359.5, dir)
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return (mag, dir)
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##--------------------------------------------------------------------------
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## Calculates Primary Swell from WW3 model.
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# Note: have to use wave height for magnitude since that info not available.
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##--------------------------------------------------------------------------
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def calcSwell(self, swell_OSEQD1, swdir_OSEQD1):
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# extract the wind speed and direction
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mag = swell_OSEQD1
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dir = clip(swdir_OSEQD1, 0, 359.5)
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return (mag, dir)
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##--------------------------------------------------------------------------
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## Calculates Secondary Swell from WW3 model.
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# Note: have to use wave height for magnitude since that info not available.
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##--------------------------------------------------------------------------
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def calcSwell2(self, swell_OSEQD2, swdir_OSEQD2):
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# extract the wind speed and direction
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mag = swell_OSEQD2
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dir = clip(swdir_OSEQD2, 0, 359.5)
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return (mag, dir)
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##--------------------------------------------------------------------------
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## Calculates Primary Period from WW3 model.
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##--------------------------------------------------------------------------
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def calcPeriod(self, swper_OSEQD1):
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return clip(swper_OSEQD1, 0, 60)
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##--------------------------------------------------------------------------
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## Calculates Secondary Period from WW3 model.
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##--------------------------------------------------------------------------
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def calcPeriod2(self, swper_OSEQD2):
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return clip(swper_OSEQD2, 0, 60)
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def main():
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WW3Forecaster().run()
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