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Issue #1871 add default values for times so they don't need to be sent in from

Browse source 
Python, move getLatLonCoords()

Change-Id: Ic37728e269a9899adaf8be1c6d86cd644f417ba1

Former-commit-id: 01971b490beee0cc87df4ed478c3a66bbad2158f
This commit is contained in:
Matt Nash 2013-04-10 08:21:27 -05:00 • committed by Gerrit Code Review
parent 4ac6480f52
commit b44ee44664
4 changed files with 252 additions and 21 deletions
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23
edexOsgi/build.edex/esb/data/utility/common_static/base/python/dataaccess/JGridData.py
View file

@ -1,4 +1,4 @@
##
# #
# This software was developed and / or modified by Raytheon Company,
# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
#
@ -16,7 +16,7 @@
#
# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
# further licensing information.
##
# #
#
@ -37,6 +37,7 @@ import JData
from com.raytheon.uf.common.geospatial.interpolation.data import FloatArrayWrapper, UnitConvertingDataDestination
from com.raytheon.uf.common.python import PythonNumpyFloatArray
from com.raytheon.uf.common.geospatial import LatLonReprojection
from javax.measure.unit import UnitFormat
class JGridData(IGridData, JData.JData):
@ -79,4 +80,22 @@ class JGridData(IGridData, JData.JData):
ny = self.jobj.getGridGeometry().getGridRange().getSpan(1);
pnfa = PythonNumpyFloatArray(dest.getArray(), nx, ny)
return pnfa.__numpy__[0]
def getLatLonCoords(self):
"""
Gets the lat/lon coordinates of the grid data.
Returns:
a tuple where the first element is a numpy array of lons, and the
second element is a numpy array of lats
"""
gridGeometry = self.jobj.getGridGeometry()
if gridGeometry is None :
return None
latlons = LatLonReprojection.getLatLons(gridGeometry)
nx = gridGeometry.getGridRange().getSpan(0)
ny = gridGeometry.getGridRange().getSpan(1)
latndarray = PythonNumpyFloatArray(latlons.getLats(), nx, ny).__numpy__[0]
lonndarray = PythonNumpyFloatArray(latlons.getLons(), nx, ny).__numpy__[0]
return (lonndarray, latndarray)

14
edexOsgi/build.edex/esb/data/utility/common_static/base/python/dataaccess/JepRouter.py
View file

@ -87,20 +87,6 @@ def getGeometryData(request, times):
data.append(JGeometryData.JGeometryData(jd))
return data
def getLatLonCoords(gridData):
'''
@return: a tuple where the first element is a numpy array of lons, and the second element is a numpy array of lats
'''
gridGeometry = gridData.toJavaObj().getGridGeometry()
if gridGeometry is None :
return None
latlons = LatLonReprojection.getLatLons(gridGeometry)
nx = gridGeometry.getGridRange().getSpan(0)
ny = gridGeometry.getGridRange().getSpan(1)
latndarray = PythonNumpyFloatArray(latlons.getLats(), nx, ny).__numpy__[0]
lonndarray = PythonNumpyFloatArray(latlons.getLons(), nx, ny).__numpy__[0]
return (lonndarray, latndarray)
def getAvailableLocationNames(request):
return JavaDataAccessLayer.getAvailableLocationNames(request.toJavaObj())

59
pythonPackages/ufpy/dataaccess/DataAccessLayer.py
View file

@ -30,6 +30,7 @@
# 12/10/12 njensen Initial Creation.
# Feb 14, 2013 1614 bsteffen refactor data access framework
# to use single request.
# 4/10/13 1871 mnash move getLatLonCoords to JGridData and add default args
#
#
#
@ -47,21 +48,69 @@ else:
def getAvailableTimes(request):
"""
Get the times of available data to the request.
Args:
request: the IDataRequest to get data for
Returns:
a list of DataTimes
"""
return router.getAvailableTimes(request)
def getGridData(request, times):
def getGridData(request, times=[]):
"""
Gets the grid data that matches the request at the specified times. Each
combination of parameter, level, and dataTime will be returned as a
separate IGridData.
Args:
request: the IDataRequest to get data for
times: a list of DataTimes, a TimeRange, or None if the data is time
agnostic
Returns:
a list of IGridData
"""
return router.getGridData(request, times)
def getGeometryData(request, times):
def getGeometryData(request, times=[]):
"""
Gets the geometry data that matches the request at the specified times.
Each combination of geometry, level, and dataTime will be returned as a
separate IGeometryData.
Args:
request: the IDataRequest to get data for
times: a list of DataTimes, a TimeRange, or None if the data is time
agnostic
Returns:
a list of IGeometryData
"""
return router.getGeometryData(request, times)
def getLatLonCoords(gridData):
return router.getLatLonCoords(gridData)
def getAvailableLocationNames(request):
"""
Gets the available location names that match the request without actually
requesting the data.
Args:
request: the request to find matching location names for
Returns:
a list of strings of available location names.
"""
return router.getAvailableLocationNames(request)
def newDataRequest():
""""
Creates a new instance of IDataRequest suitable for the runtime environment.
Returns:
a new IDataRequest
"""
return router.newDataRequest()

177
pythonPackages/ufpy/dataaccess/__init__.py
View file

@ -30,6 +30,7 @@
# 12/10/12 njensen Initial Creation.
# Feb 14, 2013 1614 bsteffen refactor data access framework
# to use single request.
# Apr 09, 2013 1871 njensen Add doc strings
#
#
#
@ -41,114 +42,290 @@ __all__ = [
import abc
class IDataRequest(object):
"""
An IDataRequest to be submitted to the DataAccessLayer to retrieve data.
"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def setDatatype(self, datatype):
"""
Sets the datatype of the request.
Args:
datatype: A string of the datatype, such as "grid", "radar", "gfe", "obs"
"""
return
@abc.abstractmethod
def addIdentifier(self, key, value):
"""
Adds an identifier to the request. Identifiers are specific to the
datatype being requested.
Args:
key: the string key of the identifier
value: the value of the identifier
"""
return
@abc.abstractmethod
def setParameters(self, params):
"""
Sets the parameters of data to request.
Args:
params: a list of strings of parameters to request
"""
return
@abc.abstractmethod
def setLevels(self, levels):
"""
Sets the levels of data to request. Not all datatypes support levels.
Args:
levels: a list of strings of level abbreviations to request
"""
return
@abc.abstractmethod
def setEnvelope(self, env):
"""
Sets the envelope of the request. If supported by the datatype factory,
the data returned for the request will be constrained to only the data
within the envelope.
Args:
env: a shapely geometry
"""
return
@abc.abstractmethod
def setLocationNames(self, locationNames):
"""
Sets the location names of the request.
Args:
locationNames: a list of strings of location names to request
"""
return
@abc.abstractmethod
def getDatatype(self):
"""
Gets the datatype of the request
Returns:
the datatype set on the request
"""
return
@abc.abstractmethod
def getIdentifiers(self):
"""
Gets the identifiers on the request
Returns:
a dictionary of the identifiers
"""
return
@abc.abstractmethod
def getLevels(self):
"""
Gets the levels on the request
Returns:
a list of strings of the levels
"""
return
@abc.abstractmethod
def getLocationNames(self):
"""
Gets the location names on the request
Returns:
a list of strings of the location names
"""
return
@abc.abstractmethod
def getEnvelope(self):
"""
Gets the envelope on the request
Returns:
a rectangular shapely geometry
"""
return
class IData(object):
"""
An IData representing data returned from the DataAccessLayer.
"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def getAttribute(self, key):
"""
Gets an attribute of the data.
Args:
key: the key of the attribute
Returns:
the value of the attribute
"""
return
@abc.abstractmethod
def getDataTime(self):
"""
Gets the data time of the data.
Returns:
the data time of the data, or None if no time is associated
"""
return
@abc.abstractmethod
def getLevel(self):
"""
Gets the level of the data.
Returns:
the level of the data, or None if no level is associated
"""
return
@abc.abstractmethod
def getLocationName(self, param):
"""
Gets the location name of the data.
Returns:
the location name of the data, or None if no location name is
associated
"""
return
class IGridData(IData):
"""
An IData representing grid data that is returned by the DataAccessLayer.
"""
@abc.abstractmethod
def getParameter(self):
"""
Gets the parameter of the data.
Returns:
the parameter of the data
"""
return
@abc.abstractmethod
def getUnit(self):
"""
Gets the unit of the data.
Returns:
the string abbreviation of the unit, or None if no unit is associated
"""
return
@abc.abstractmethod
def getRawData(self):
"""
Gets the grid data as a numpy array.
Returns:
a numpy array of the data
"""
return
class IGeometryData(IData):
"""
An IData representing geometry data that is returned by the DataAccessLayer.
"""
@abc.abstractmethod
def getGeometry(self):
"""
Gets the geometry of the data.
Returns:
a shapely geometry
"""
return
@abc.abstractmethod
def getParameters(self):
"""Gets the parameters of the data.
Returns:
a list of strings of the parameter names
"""
return
@abc.abstractmethod
def getString(self, param):
"""
Gets the string value of the specified param.
Args:
param: the string name of the param
Returns:
the string value of the param
"""
return
@abc.abstractmethod
def getNumber(self, param):
"""
Gets the number value of the specified param.
Args:
param: the string name of the param
Returns:
the number value of the param
"""
return
@abc.abstractmethod
def getUnit(self, param):
"""
Gets the unit of the specified param.
Args:
param: the string name of the param
Returns:
the string abbreviation of the unit of the param
"""
return
@abc.abstractmethod
def getType(self, param):
"""
Gets the type of the param.
Args:
param: the string name of the param
Returns:
a string of the type of the parameter, such as
"STRING", "INT", "LONG", "FLOAT", or "DOUBLE"
"""
return