2d6737f52c
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101 lines
3.7 KiB
Python
101 lines
3.7 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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# Implements IGridData and wraps around a Java IGridData.
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#
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#
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# SOFTWARE HISTORY
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#
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# Date Ticket# Engineer Description
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# ------------ ---------- ----------- --------------------------
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# 12/10/12 njensen Initial Creation.
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#
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#
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#
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from ufpy.dataaccess import IGridData
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import JData
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from com.raytheon.uf.common.geospatial.interpolation.data import FloatArrayWrapper, UnitConvertingDataDestination
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from com.raytheon.uf.common.python import PythonNumpyFloatArray
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from com.raytheon.uf.common.geospatial import LatLonReprojection
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from javax.measure.unit import UnitFormat
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class JGridData(IGridData, JData.JData):
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def __init__(self, wrappedObject):
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JData.JData.__init__(self, wrappedObject)
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def __getitem__(self, key):
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if key == 'parameter':
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return self.getParameter()
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elif key == 'unit':
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return self.getUnit()
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elif key == 'rawData':
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return self.getRawData()
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elif key == 'time':
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return self.getDataTime()
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elif key == 'level':
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return self.getLevel()
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def getParameter(self):
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return self.jobj.getParameter()
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def getUnit(self):
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return str(self.jobj.getUnit())
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def getRawData(self, unit=None):
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dest = FloatArrayWrapper(self.jobj.getGridGeometry())
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pnfa = None
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if unit:
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unitObj = UnitFormat.getUCUMInstance().parseObject(unit)
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converter = self.jobj.getUnit().getConverterTo(unitObj)
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unitDest = UnitConvertingDataDestination(converter, dest)
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filledDest = self.jobj.populateData(unitDest)
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nx = self.jobj.getGridGeometry().getGridRange().getSpan(0)
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ny = self.jobj.getGridGeometry().getGridRange().getSpan(1)
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pnfa = PythonNumpyFloatArray(filledDest.getWrappedDestination().getArray(), nx, ny)
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else:
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filledDest = self.jobj.populateData(dest)
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nx = self.jobj.getGridGeometry().getGridRange().getSpan(0);
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ny = self.jobj.getGridGeometry().getGridRange().getSpan(1);
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pnfa = PythonNumpyFloatArray(dest.getArray(), nx, ny)
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return pnfa.__numpy__[0]
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def getLatLonCoords(self):
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"""
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Gets the lat/lon coordinates of the grid data.
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Returns:
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a tuple where the first element is a numpy array of lons, and the
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second element is a numpy array of lats
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"""
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gridGeometry = self.jobj.getGridGeometry()
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if gridGeometry is None :
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return None
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latlons = LatLonReprojection.getLatLons(gridGeometry)
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nx = gridGeometry.getGridRange().getSpan(0)
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ny = gridGeometry.getGridRange().getSpan(1)
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latndarray = PythonNumpyFloatArray(latlons.getLats(), nx, ny).__numpy__[0]
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lonndarray = PythonNumpyFloatArray(latlons.getLons(), nx, ny).__numpy__[0]
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return (lonndarray, latndarray)
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