# -*- coding: utf-8 -*-
"""
***************************************************************************
gdal2tiles.py
---------------------
Date : January 2016
Copyright : (C) 2016 by Médéric Ribreux
Email : mederic dot ribreux at medspx dot fr
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Médéric Ribreux'
__date__ = 'January 2016'
__copyright__ = '(C) 2016, Médéric Ribreux'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.core import (QgsProcessingParameterDefinition,
QgsProcessingParameterRasterLayer,
QgsProcessingParameterCrs,
QgsProcessingParameterEnum,
QgsProcessingParameterString,
QgsProcessingParameterNumber,
QgsProcessingParameterBoolean,
QgsProcessingOutputFolder,
QgsProcessingParameterFolderDestination)
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
from processing.tools.system import isWindows
class gdal2tiles(GdalAlgorithm):
INPUT = 'INPUT'
PROFILE = 'PROFILE'
RESAMPLING = 'RESAMPLING'
ZOOM = 'ZOOM'
SOURCE_CRS = 'SOURCE_CRS'
NODATA = 'NODATA'
KML = 'KML'
NO_KML = 'NO_KML'
URL = 'URL'
VIEWER = 'VIEWER'
TITLE = 'TITLE'
COPYRIGHT = 'COPYRIGHT'
GOOGLE_KEY = 'GOOGLE_KEY'
BING_KEY = 'BING_KEY'
RESUME = 'RESUME'
OUTPUT = 'OUTPUT'
def __init__(self):
super().__init__()
def initAlgorithm(self, config=None):
self.profiles = ((self.tr('Mercator'), 'mercator'),
(self.tr('Geodetic'), 'geodetic'),
(self.tr('Raster'), 'raster'))
self.methods = ((self.tr('Average'), 'average'),
(self.tr('Nearest neighbour'), 'near'),
(self.tr('Bilinear'), 'bilinear'),
(self.tr('Cubic'), 'cubic'),
(self.tr('Cubic spline'), 'cubicspline'),
(self.tr('Lanczos windowed sinc'), 'lanczos'),
(self.tr('Antialias'), 'antialias'))
self.viewers = ((self.tr('All'), 'all'),
(self.tr('GoogleMaps'), 'google'),
(self.tr('OpenLayers'), 'openlayers'),
(self.tr('Leaflet'), 'leaflet'),
(self.tr('None'), 'none'))
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer')))
self.addParameter(QgsProcessingParameterEnum(self.PROFILE,
self.tr('Tile cutting profile'),
options=[i[0] for i in self.profiles],
allowMultiple=False,
defaultValue=0))
self.addParameter(QgsProcessingParameterString(self.ZOOM,
self.tr('Zoom levels to render'),
defaultValue='',
optional=True))
self.addParameter(QgsProcessingParameterEnum(self.VIEWER,
self.tr('Web viewer to generate'),
options=[i[0] for i in self.viewers],
allowMultiple=False,
defaultValue=0))
self.addParameter(QgsProcessingParameterString(self.TITLE,
self.tr('Title of the map'),
optional=True))
self.addParameter(QgsProcessingParameterString(self.COPYRIGHT,
self.tr('Copyright of the map'),
optional=True))
params = []
params.append(QgsProcessingParameterEnum(self.RESAMPLING,
self.tr('Resampling method'),
options=[i[0] for i in self.methods],
allowMultiple=False,
defaultValue=0))
params.append(QgsProcessingParameterCrs(self.SOURCE_CRS,
self.tr('The spatial reference system used for the source input data'),
optional=True))
params.append(QgsProcessingParameterNumber(self.NODATA,
self.tr('Transparency value to assign to the input data'),
type=QgsProcessingParameterNumber.Double,
defaultValue=0,
optional=True))
params.append(QgsProcessingParameterString(self.URL,
self.tr('URL address where the generated tiles are going to be published'),
optional=True))
params.append(QgsProcessingParameterString(self.GOOGLE_KEY,
self.tr('Google Maps API key (http://code.google.com/apis/maps/signup.html)'),
optional=True))
params.append(QgsProcessingParameterString(self.BING_KEY,
self.tr('Bing Maps API key (https://www.bingmapsportal.com/)'),
optional=True))
params.append(QgsProcessingParameterBoolean(self.RESUME,
self.tr('Generate only missing files'),
defaultValue=False))
params.append(QgsProcessingParameterBoolean(self.KML,
self.tr('Generate KML for Google Earth'),
defaultValue=False))
params.append(QgsProcessingParameterBoolean(self.NO_KML,
self.tr('Avoid automatic generation of KML files for EPSG:4326'),
defaultValue=False))
for param in params:
param.setFlags(param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
self.addParameter(param)
self.addParameter(QgsProcessingParameterFolderDestination(self.OUTPUT,
self.tr('Output directory')))
def name(self):
return 'gdal2tiles'
def displayName(self):
return self.tr('gdal2tiles')
def group(self):
return self.tr('Raster miscellaneous')
def groupId(self):
return 'rastermiscellaneous'
def getConsoleCommands(self, parameters, context, feedback, executing=True):
arguments = []
arguments.append('-p')
arguments.append(self.profiles[self.parameterAsEnum(parameters, self.PROFILE, context)][1])
zoom = self.parameterAsString(parameters, self.ZOOM, context)
if zoom:
arguments.append('-z')
arguments.append(str(zoom))
arguments.append('-w')
arguments.append(self.viewers[self.parameterAsEnum(parameters, self.VIEWER, context)][1])
title = self.parameterAsString(parameters, self.TITLE, context)
if title:
arguments.append('-t')
arguments.append(title)
copying = self.parameterAsString(parameters, self.COPYRIGHT, context)
if copying:
arguments.append('-c')
arguments.append(copying)
arguments.append('-r')
arguments.append(self.methods[self.parameterAsEnum(parameters, self.RESAMPLING, context)][1])
crs = self.parameterAsCrs(parameters, self.SOURCE_CRS, context)
if crs.isValid():
arguments.append('-s')
arguments.append(crs.authid())
nodata = self.parameterAsDouble(parameters, self.NODATA, context)
if nodata:
arguments.append('-a')
arguments.append(str(nodata))
url = self.parameterAsString(parameters, self.URL, context)
if url:
arguments.append('-u')
arguments.append(url)
key = self.parameterAsString(parameters, self.GOOGLE_KEY, context)
if key:
arguments.append('-g')
arguments.append(key)
key = self.parameterAsString(parameters, self.BING_KEY, context)
if key:
arguments.append('-b')
arguments.append(key)
if self.parameterAsBool(parameters, self.RESUME, context):
arguments.append('-e')
if self.parameterAsBool(parameters, self.KML, context):
arguments.append('-k')
if self.parameterAsBool(parameters, self.NO_KML, context):
arguments.append('-n')
inLayer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
arguments.append(inLayer.source())
arguments.append(self.parameterAsString(parameters, self.OUTPUT, context))
commands = []
if isWindows():
commands = ['cmd.exe', '/C ', 'gdal2tiles.bat',
GdalUtils.escapeAndJoin(arguments)]
else:
commands = ['gdal2tiles.py',
GdalUtils.escapeAndJoin(arguments)]
return commands