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[processing] add multithreading option to warp (fix #15340)

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This commit is contained in:
Alexander Bruy 2017-04-29 15:38:05 +03:00
parent 4377f20891
commit 3450a9ff89
1 changed files with 11 additions and 1 deletions
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12
python/plugins/processing/algs/gdal/warp.py
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@ -36,7 +36,8 @@ from processing.core.parameters import (ParameterRaster,
ParameterSelection,
ParameterCrs,
ParameterNumber,
ParameterString)
ParameterString,
ParameterBoolean)
from processing.core.outputs import OutputRaster
from processing.algs.gdal.GdalUtils import GdalUtils
@ -56,6 +57,7 @@ class warp(GdalAlgorithm):
EXT_CRS = 'EXT_CRS'
RTYPE = 'RTYPE'
OPTIONS = 'OPTIONS'
MULTITHREADING = 'MULTITHREADING'
METHOD_OPTIONS = ['near', 'bilinear', 'cubic', 'cubicspline', 'lanczos']
TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64']
@ -105,6 +107,10 @@ class warp(GdalAlgorithm):
self.tr('Additional creation options'),
optional=True,
metadata={'widget_wrapper': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}))
self.addParameter(ParameterBoolean(self.MULTITHREADING,
self.tr('Use multithreaded warping implementation'),
False
))
self.addParameter(ParameterSelection(self.RTYPE,
self.tr('Output raster type'),
self.TYPE, 5))
@ -118,6 +124,7 @@ class warp(GdalAlgorithm):
rastext_crs = self.getParameterValue(self.EXT_CRS)
opts = self.getParameterValue(self.OPTIONS)
noData = self.getParameterValue(self.NO_DATA)
multithreading = self.getParameterValue(self.MULTITHREADING)
if noData is not None:
noData = str(noData)
@ -165,6 +172,9 @@ class warp(GdalAlgorithm):
arguments.append('-co')
arguments.append(opts)
if multithreading:
arguments.append('-multi')
if GdalUtils.version() in [2010000, 2010100]:
arguments.append("--config GDALWARP_IGNORE_BAD_CUTLINE YES")