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284 lines
8.2 KiB
HTML
284 lines
8.2 KiB
HTML
<html>
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<title>GFESuite Documentation - </title>
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<body>
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<h1><a name="Sounding"></a>Sounding Methods</h1>
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<a href="#makeNumericSounding">makeNumericSounding
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(numeric only)</a>
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<br>
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<a href="#interpolateValues">interpolateValues</a>
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<br>
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<a href="#linear">linear</a>
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<br>
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<a href="#extrapolate">extrapolate</a>
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<br>
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<a href="#interpolateScalarValues">interpolateScalarValues</a>
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<br>
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<a href="#interpolateVectorValues">interpolateVectorValues</a>
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<br>
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<a href="#getLevels">getLevels</a>
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<br>
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<a href="#getSoundingValue">getSoundingValue
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(point-based
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only)</a>
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<br>
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<a href="#getValueFromSounding">getValueFromSounding
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(point-based only)</a>
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<br>
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<a href="#makeSounding">makeSounding (point-based
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only)</a>
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<br>
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<a href="#getNumericMeanValue">getNumericMeanValue
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(numeric only)</a>
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<br>
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<a href="#getMeanValue">getMeanValue (point-based
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only)</a>
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<br>
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<hr width="100%">
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<h2>
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<a name="makeNumericSounding"></a>makeNumericSounding (numeric only)</h2>
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def makeNumericSounding(self, model, element, levels, timeRange,
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noDataError=1,
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mostRecentModel=0):
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<br>
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# Make a numeric sounding for the given
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model, element, and levels
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<br>
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# Example:
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<br>
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# levels =
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["MB850","MB800","MB750","MB700","MB650","MB600"]
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<br>
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# gh_Cube, rh_Cube =
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self.makeNumericSounding(
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<br>
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# model, "rh", levels, GridTimeRange)
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<br>
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#
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<br>
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# Arguments:
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<br>
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#
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<br>
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# The "levels" argument is a Python
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list of levels INCREASING
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<br>
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# in height.
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<br>
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# This method returns two numeric cubes:
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<br>
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# ghCube of geopotential heights for
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the given levels
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<br>
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# valueCube of values for the given
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levels
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<h2><a name="interpolateValues"></a>interpolateValues</h2>
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def interpolateValues(self, height, (h1, v1), (h2, v2)):
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<br>
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# Interpolate between the height and
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values
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<h2><a name="linear"></a>linear</h2>
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def linear(self, xmin, xmax, ymin, ymax, we):
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<h2><a name="extrapolate"></a>extrapolate</h2>
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def extrapolate(self, height, (h1, v1),(h2, v2)):
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<br>
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# Extrapolate from the height and values
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<h2><a name="interpolateScalarValues"></a>interpolateScalarValues</h2>
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def interpolateScalarValues(self, height, (h1, v1), (h2, v2)):
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<br>
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# Interpolate between the height and
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values
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<h2><a name="interpolateVectorValues"></a>interpolateVectorValues</h2>
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def interpolateVectorValues(self, height, (h1, v1), (h2, v2)):
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<br>
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# Interpolate between the height and
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values
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<h2><a name="getLevels"></a>getLevels</h2>
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def getLevels(self, level1, level2, noDataError=1):
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<br>
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# Return a list of levels between and
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including level1 and level2
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<br>
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# Will do ascending or descending
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depending
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on order of arguments
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<br>
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# levels = self.getLevels("MB900",
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"MB500")
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# descending
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<br>
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# levels = self.getLevels("MB600",
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"MB1000")
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# ascending
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<h2><a name="getSoundingValue"></a>getSoundingValue (point-based only)</h2>
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def getSoundingValue(self, model, element, levels, x, y, timeRange,
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height,
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method=None, noDataError=1, mostRecentModel=0):
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<br>
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# Make a sounding for the given model,
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element, and levels at
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<br>
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# the x,y coordinates for the given
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timeRange.
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<br>
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# Then get the value of the sounding
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for the given height.
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<br>
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# Use the given method for calculating
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a value between two heights
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<br>
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# in the sounding.
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<br>
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# The levels MUST be increasing in
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height.
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<br>
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# Height needs to be in the same units
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as the sounding.
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<br>
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# The default method if None is
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specified,
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is "interpolateValues"
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<br>
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#
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<br>
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# Example:
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<br>
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# topo_M = convertFtToM(Topo)
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<br>
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# levels =
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["MB850","MB800","MB750","MB700","MB650","MB600"]
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<br>
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# surfaceRH =
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self.getSoundingValue(model,
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"rh", levels, x, y,
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<br>
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# GridTimeRange, topo_M)
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<br>
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# Arguments:
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<br>
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#
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<br>
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# The "levels" argument is a Python
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list of levels INCREASING
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<br>
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# in height.
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<br>
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# The other argument descriptions are
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the same as for
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<br>
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# "getValue" (see above)
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<br>
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# Find bounding levels (lowerLevel and
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upperLevel)
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<br>
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# for the given height
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<h2><a name="makeSounding"></a>makeSounding (point-based only)</h2>
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def makeSounding(self, model, element, levels, x, y, timeRange,
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noDataError=1,
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mostRecentModel=0):
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<br>
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# Make a sounding for the given model,
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element, and levels
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<br>
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# Example:
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<br>
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# levels =
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["MB850","MB800","MB750","MB700","MB650","MB600"]
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<br>
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# sounding = self.makeSounding(model,
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"rh", levels, x, y,
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<br>
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# GridTimeRange)
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<br>
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#
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<br>
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# Arguments:
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<br>
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#
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<br>
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# The "levels" argument is a Python
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list of levels INCREASING
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<br>
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# in height.
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<br>
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# The other argument descriptions are
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the same as for
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<br>
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# "getValue" (see above)
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<br>
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# This method returns a tuple of height,
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value tuples.
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<br>
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# In general, you will not need to
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access
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the sounding directly,
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<br>
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# but will simply pass it to the
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"getValueFromSounding"
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method
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<br>
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# (see below)
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<h2><a name="getValueFromSounding"></a>getValueFromSounding
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(point-based only)</h2>
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def getValueFromSounding(self, sounding, height, method=None):
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<br>
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# Get the value of the sounding for
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the given
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<br>
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# height. Use the given method for
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calculating
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a value
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<br>
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# between two heights in the sounding.
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<br>
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# The default method if None is
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specified,
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is "interpolateValues"
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<br>
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#
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<br>
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# Example:
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<br>
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# levels =
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["MB850","MB800","MB750","MB700","MB650","MB600"]
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<br>
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# sounding = self.makeSounding(model,
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"rh", levels, x, y,
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<br>
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# GridTimeRange)
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<br>
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# topo_M = convertFtToM(Topo)
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<br>
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# surfaceRH =
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self.getValueFromSounding(sounding,
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topo_M)
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<br>
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#
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<br>
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#
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<br>
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# Height needs to be in the same units
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as the sounding
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<br>
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# The sounding is assumed to be
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increasing
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in height
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<h2><a name="getNumericMeanValue"></a>getNumericMeanValue (numeric only)</h2>
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def getNumericMeanValue(self, model, element, levels, timeRange,
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noDataError=1):
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<br>
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# Return a numeric array of mean values
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for the given element between and including
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<br>
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# the given levels
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<h2><a name="getMeanValue"></a>getMeanValue (point-based only)</h2>
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def getMeanValue(self, model, element, levels, x, y, timeRange,
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noDataError=1):
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<br>
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# Get a mean value for the given element
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between and including
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<br>
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# the given levels
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