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Issue #1821 Reshape grib data arrays in place to improve performance.

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Former-commit-id: 5d01725fea [formerly 4621133ff1] [formerly 75c8d46901 [formerly 30354883c5dff0fdbf196e7f405525451df1e81e]]
Former-commit-id: 75c8d46901
Former-commit-id: 04028b0136
This commit is contained in:
Ben Steffensmeier 2013-03-25 15:09:02 -05:00
parent 53b0411753
commit e722fa0723
1 changed files with 5 additions and 3 deletions
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8
edexOsgi/com.raytheon.edex.plugin.grib/GribDecoder.py
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@ -129,6 +129,8 @@ THINNED_GRID_VALUES = THINNED_GRID_PT_MAP.values()
# Date Ticket# Engineer Description
# ------------ ---------- ----------- --------------------------
# 04/7/09 #1994 bphillip Initial Creation.
# Mar 25, 2013 1821 bsteffen Reshape grib data arrays in
# place to improve performance.
#
class GribDecoder():
@ -327,7 +329,7 @@ class GribDecoder():
if scanMode is not None:
if not thinnedGrid:
numpyDataArray = numpy.resize(data, (ny, nx))
numpyDataArray = numpy.reshape(data, (ny, nx))
# Check if rows are scanned in opposite direction. If so, we need to flip them around
if scanMode & 16 == 16:
@ -373,7 +375,7 @@ class GribDecoder():
if subCoverage is not None:
subGrid = spatialCache.getSubGrid(modelName, gridCoverage)
# resize the data array
numpyDataArray = numpy.resize(numpyDataArray, (ny, nx))
numpyDataArray = numpy.reshape(numpyDataArray, (ny, nx))
startx = subGrid.getUpperLeftX()
starty = subGrid.getUpperLeftY()
subnx = subGrid.getNX()
@ -399,7 +401,7 @@ class GribDecoder():
# set the new coverage
gdsSectionValues['coverage'] = subCoverage
numpyDataArray = numpy.resize(numpyDataArray, (1, metadata[4]))
numpyDataArray = numpy.reshape(numpyDataArray, (1, metadata[4]))
newAbbr = GribParamTranslator.getInstance().translateParameter(2, pdsSectionValues['parameterAbbreviation'], pdsSectionValues['centerid'], pdsSectionValues['subcenterid'], pdsSectionValues['genprocess'], dataTime, gridCoverage)