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194 lines
8.0 KiB
Python
194 lines
8.0 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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from builtins import str
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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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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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from qgis.core import QgsProcessingParameterDefinition
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.core.parameters import ParameterRaster
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from processing.core.parameters import ParameterString
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from processing.core.parameters import ParameterSelection
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from processing.core.parameters import ParameterCrs
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from processing.core.parameters import ParameterBoolean
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from processing.core.outputs import OutputDirectory
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from processing.tools.system import isWindows
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from processing.algs.gdal.GdalUtils import GdalUtils
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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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S_SRS = 'S_SRS'
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OUTPUTDIR = 'OUTPUTDIR'
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RESUME = 'RESUME'
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NODATA = 'NODATA'
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FORCEKML = 'FORCEKML'
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NOKML = 'NOKML'
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URL = 'URL'
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WEBVIEWER = 'WEBVIEWER'
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TITLE = 'TITLE'
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COPYRIGHT = 'COPYRIGHT'
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GOOGLEKEY = 'GOOGLEKEY'
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BINGKEY = 'BINGKEY'
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PROFILES = ['mercator', 'geodetic', 'raster']
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RESAMPLINGS = ['average', 'near', 'bilinear', 'cubic', 'cubicspline', 'lanczos', 'antialias']
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WEBVIEWERS = ['all', 'google', 'openlayers', 'leaflet', 'none']
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def __init__(self):
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super().__init__()
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# Required parameters
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self.addParameter(ParameterRaster(self.INPUT, self.tr('Input layer')))
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# Advanced parameters
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params = []
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params.append(ParameterSelection(self.PROFILE,
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self.tr('Tile cutting profile'),
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self.PROFILES, 0, False, optional=True))
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params.append(ParameterSelection(self.RESAMPLING,
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self.tr('Resampling method'),
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self.RESAMPLINGS, 0, False, optional=True))
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params.append(ParameterCrs(self.S_SRS,
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self.tr('The spatial reference system used for the source input data'),
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None, True))
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params.append(ParameterString(self.ZOOM,
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self.tr('Zoom levels to render'),
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None, False, True))
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params.append(ParameterBoolean(self.RESUME,
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self.tr('Resume mode, generate only missing files'),
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False, True))
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params.append(ParameterString(self.NODATA,
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self.tr('NODATA transparency value to assign to the input data'),
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None, False, True))
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params.append(ParameterBoolean(self.FORCEKML,
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self.tr('Generate KML for Google Earth - default for "geodetic" profile and "raster" in EPSG:4326'),
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False, True))
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params.append(ParameterBoolean(self.NOKML,
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self.tr('Avoid automatic generation of KML files for EPSG:4326'),
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False, True))
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params.append(ParameterString(self.URL,
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self.tr('URL address where the generated tiles are going to be published'),
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None, False, True))
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params.append(ParameterSelection(self.WEBVIEWER,
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self.tr('Web viewer to generate'),
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self.WEBVIEWERS, 0, False, optional=True))
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params.append(ParameterString(self.TITLE,
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self.tr('Title of the map'),
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None, False, True))
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params.append(ParameterString(self.COPYRIGHT,
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self.tr('Copyright for the map'),
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None, False, True))
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params.append(ParameterString(self.GOOGLEKEY,
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self.tr('Google Maps API key from http://code.google.com/apis/maps/signup.html'),
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None, False, True))
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params.append(ParameterString(self.BINGKEY,
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self.tr('Bing Maps API key from https://www.bingmapsportal.com/'),
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None, False, True))
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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.addOutput(OutputDirectory(self.OUTPUTDIR,
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self.tr('The directory where the tile result is created')))
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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 getConsoleCommands(self, parameters):
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arguments = []
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if self.getParameterValue(self.PROFILE):
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arguments.append('-p')
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arguments.append(self.PROFILES[self.getParameterValue(self.PROFILE)])
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if self.getParameterValue(self.RESAMPLING):
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arguments.append('-r')
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arguments.append(self.RESAMPLINGS[self.getParameterValue(self.RESAMPLING)])
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ssrs = str(self.getParameterValue(self.S_SRS))
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if len(ssrs) > 0:
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arguments.append('-s')
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arguments.append(ssrs)
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if self.getParameterValue(self.ZOOM):
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arguments.append('-z')
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arguments.append(str(self.getParameterValue(self.ZOOM)))
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if self.getParameterValue(self.RESUME):
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arguments.append('-e')
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if self.getParameterValue(self.NODATA):
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arguments.append('-a')
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arguments.append(str(self.getParameterValue(self.NODATA)))
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# KML arguments
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if self.getParameterValue(self.FORCEKML):
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arguments.append('-k')
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if self.getParameterValue(self.NOKML):
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arguments.append('-n')
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if self.getParameterValue(self.URL):
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arguments.append('-u')
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arguments.append(str(self.getParameterValue(self.URL)))
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# Web viewer arguments
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if self.getParameterValue(self.WEBVIEWER):
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arguments.append('-w')
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arguments.append(self.WEBVIEWERS[self.getParameterValue(self.WEBVIEWER)])
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parameters = {self.TITLE: '-t', self.COPYRIGHT: '-c',
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self.GOOGLEKEY: '-g', self.BINGKEY: '-b'}
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for arg, parameter in list(parameters.items()):
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if self.getParameterValue(arg):
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arguments.append(parameter)
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arguments.append(self.getParameterValue(arg))
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arguments.append(self.getParameterValue(self.INPUT))
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arguments.append(self.getOutputValue(self.OUTPUTDIR))
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commands = []
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if isWindows():
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commands = ['cmd.exe', '/C ', 'gdal2tiles.bat',
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GdalUtils.escapeAndJoin(arguments)]
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else:
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commands = ['gdal2tiles.py',
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GdalUtils.escapeAndJoin(arguments)]
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return commands
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