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2628c480c5
Prevent changes to files that weren't changed between releases. This eases review of the changes between releases significantly.
236 lines
10 KiB
Python
236 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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gdal2tiles.py
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---------------------
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Date : January 2016
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Copyright : (C) 2016 by Médéric Ribreux
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Email : mederic dot ribreux at medspx dot fr
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Médéric Ribreux'
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__date__ = 'January 2016'
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__copyright__ = '(C) 2016, Médéric Ribreux'
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from qgis.core import (QgsProcessingAlgorithm,
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QgsProcessingException,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterRasterLayer,
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QgsProcessingParameterCrs,
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QgsProcessingParameterEnum,
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QgsProcessingParameterString,
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QgsProcessingParameterNumber,
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QgsProcessingParameterBoolean,
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QgsProcessingParameterFolderDestination)
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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from processing.tools.system import isWindows
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class gdal2tiles(GdalAlgorithm):
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INPUT = 'INPUT'
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PROFILE = 'PROFILE'
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RESAMPLING = 'RESAMPLING'
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ZOOM = 'ZOOM'
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SOURCE_CRS = 'SOURCE_CRS'
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NODATA = 'NODATA'
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KML = 'KML'
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NO_KML = 'NO_KML'
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URL = 'URL'
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VIEWER = 'VIEWER'
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TITLE = 'TITLE'
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COPYRIGHT = 'COPYRIGHT'
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GOOGLE_KEY = 'GOOGLE_KEY'
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BING_KEY = 'BING_KEY'
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RESUME = 'RESUME'
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OUTPUT = 'OUTPUT'
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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self.profiles = ((self.tr('Mercator'), 'mercator'),
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(self.tr('Geodetic'), 'geodetic'),
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(self.tr('Raster'), 'raster'))
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self.methods = ((self.tr('Average'), 'average'),
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(self.tr('Nearest neighbour'), 'near'),
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(self.tr('Bilinear'), 'bilinear'),
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(self.tr('Cubic'), 'cubic'),
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(self.tr('Cubic spline'), 'cubicspline'),
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(self.tr('Lanczos windowed sinc'), 'lanczos'),
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(self.tr('Antialias'), 'antialias'))
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self.viewers = ((self.tr('All'), 'all'),
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(self.tr('GoogleMaps'), 'google'),
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(self.tr('OpenLayers'), 'openlayers'),
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(self.tr('Leaflet'), 'leaflet'),
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(self.tr('None'), 'none'))
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self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
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self.addParameter(QgsProcessingParameterEnum(self.PROFILE,
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self.tr('Tile cutting profile'),
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options=[i[0] for i in self.profiles],
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allowMultiple=False,
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defaultValue=0))
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self.addParameter(QgsProcessingParameterString(self.ZOOM,
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self.tr('Zoom levels to render'),
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defaultValue='',
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optional=True))
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self.addParameter(QgsProcessingParameterEnum(self.VIEWER,
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self.tr('Web viewer to generate'),
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options=[i[0] for i in self.viewers],
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allowMultiple=False,
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defaultValue=0))
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self.addParameter(QgsProcessingParameterString(self.TITLE,
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self.tr('Title of the map'),
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optional=True))
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self.addParameter(QgsProcessingParameterString(self.COPYRIGHT,
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self.tr('Copyright of the map'),
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optional=True))
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params = []
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params.append(QgsProcessingParameterEnum(self.RESAMPLING,
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self.tr('Resampling method'),
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options=[i[0] for i in self.methods],
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allowMultiple=False,
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defaultValue=0))
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params.append(QgsProcessingParameterCrs(self.SOURCE_CRS,
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self.tr('The spatial reference system used for the source input data'),
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optional=True))
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params.append(QgsProcessingParameterNumber(self.NODATA,
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self.tr('Transparency value to assign to the input data'),
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type=QgsProcessingParameterNumber.Double,
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defaultValue=0,
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optional=True))
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params.append(QgsProcessingParameterString(self.URL,
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self.tr('URL address where the generated tiles are going to be published'),
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optional=True))
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params.append(QgsProcessingParameterString(self.GOOGLE_KEY,
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self.tr('Google Maps API key (http://code.google.com/apis/maps/signup.html)'),
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optional=True))
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params.append(QgsProcessingParameterString(self.BING_KEY,
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self.tr('Bing Maps API key (https://www.bingmapsportal.com/)'),
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optional=True))
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params.append(QgsProcessingParameterBoolean(self.RESUME,
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self.tr('Generate only missing files'),
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defaultValue=False))
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params.append(QgsProcessingParameterBoolean(self.KML,
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self.tr('Generate KML for Google Earth'),
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defaultValue=False))
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params.append(QgsProcessingParameterBoolean(self.NO_KML,
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self.tr('Avoid automatic generation of KML files for EPSG:4326'),
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defaultValue=False))
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for param in params:
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param.setFlags(param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
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self.addParameter(param)
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self.addParameter(QgsProcessingParameterFolderDestination(self.OUTPUT,
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self.tr('Output directory')))
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def name(self):
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return 'gdal2tiles'
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def displayName(self):
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return self.tr('gdal2tiles')
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def group(self):
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return self.tr('Raster miscellaneous')
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def groupId(self):
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return 'rastermiscellaneous'
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def commandName(self):
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return 'gdal2tiles'
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def flags(self):
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return super().flags() | QgsProcessingAlgorithm.FlagDisplayNameIsLiteral
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def getConsoleCommands(self, parameters, context, feedback, executing=True):
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arguments = []
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arguments.append('-p')
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arguments.append(self.profiles[self.parameterAsEnum(parameters, self.PROFILE, context)][1])
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zoom = self.parameterAsString(parameters, self.ZOOM, context)
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if zoom:
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arguments.append('-z')
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arguments.append(str(zoom))
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arguments.append('-w')
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arguments.append(self.viewers[self.parameterAsEnum(parameters, self.VIEWER, context)][1])
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title = self.parameterAsString(parameters, self.TITLE, context)
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if title:
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arguments.append('-t')
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arguments.append(title)
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copying = self.parameterAsString(parameters, self.COPYRIGHT, context)
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if copying:
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arguments.append('-c')
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arguments.append(copying)
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arguments.append('-r')
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arguments.append(self.methods[self.parameterAsEnum(parameters, self.RESAMPLING, context)][1])
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crs = self.parameterAsCrs(parameters, self.SOURCE_CRS, context)
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if crs.isValid():
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arguments.append('-s')
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arguments.append(GdalUtils.gdal_crs_string(crs))
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if self.NODATA in parameters and parameters[self.NODATA] is not None:
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nodata = self.parameterAsDouble(parameters, self.NODATA, context)
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arguments.append('-a')
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arguments.append(str(nodata))
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url = self.parameterAsString(parameters, self.URL, context)
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if url:
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arguments.append('-u')
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arguments.append(url)
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key = self.parameterAsString(parameters, self.GOOGLE_KEY, context)
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if key:
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arguments.append('-g')
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arguments.append(key)
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key = self.parameterAsString(parameters, self.BING_KEY, context)
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if key:
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arguments.append('-b')
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arguments.append(key)
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if self.parameterAsBoolean(parameters, self.RESUME, context):
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arguments.append('-e')
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if self.parameterAsBoolean(parameters, self.KML, context):
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arguments.append('-k')
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if self.parameterAsBoolean(parameters, self.NO_KML, context):
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arguments.append('-n')
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inLayer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
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if inLayer is None:
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raise QgsProcessingException(self.invalidRasterError(parameters, self.INPUT))
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arguments.append(inLayer.source())
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arguments.append(self.parameterAsString(parameters, self.OUTPUT, context))
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if isWindows():
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commands = ["python3", "-m", self.commandName()]
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else:
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commands = [self.commandName() + '.py']
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commands.append(GdalUtils.escapeAndJoin(arguments))
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return commands
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