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222 lines
10 KiB
Python
222 lines
10 KiB
Python
"""
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***************************************************************************
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retile.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 (QgsProcessing,
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QgsProcessingException,
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QgsProcessingParameterDefinition,
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QgsProcessingParameterMultipleLayers,
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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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QgsProcessingParameterFileDestination,
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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 retile(GdalAlgorithm):
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INPUT = 'INPUT'
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TILE_SIZE_X = 'TILE_SIZE_X'
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TILE_SIZE_Y = 'TILE_SIZE_Y'
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OVERLAP = 'OVERLAP'
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LEVELS = 'LEVELS'
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SOURCE_CRS = 'SOURCE_CRS'
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FORMAT = 'FORMAT'
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RESAMPLING = 'RESAMPLING'
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OPTIONS = 'OPTIONS'
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EXTRA = 'EXTRA'
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DATA_TYPE = 'DATA_TYPE'
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DELIMITER = 'DELIMITER'
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ONLY_PYRAMIDS = 'ONLY_PYRAMIDS'
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DIR_FOR_ROW = 'DIR_FOR_ROW'
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OUTPUT = 'OUTPUT'
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OUTPUT_CSV = 'OUTPUT_CSV'
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TYPES = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64', 'CInt16', 'CInt32', 'CFloat32', 'CFloat64', 'Int8']
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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.methods = ((self.tr('Nearest Neighbour'), 'near'),
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(self.tr('Bilinear (2x2 Kernel)'), 'bilinear'),
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(self.tr('Cubic (4x4 Kernel)'), 'cubic'),
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(self.tr('Cubic B-Spline (4x4 Kernel)'), 'cubicspline'),
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(self.tr('Lanczos (6x6 Kernel)'), 'lanczos'),)
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self.addParameter(QgsProcessingParameterMultipleLayers(self.INPUT,
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self.tr('Input files'),
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QgsProcessing.TypeRaster))
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self.addParameter(QgsProcessingParameterNumber(self.TILE_SIZE_X,
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self.tr('Tile width'),
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type=QgsProcessingParameterNumber.Integer,
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minValue=0,
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defaultValue=256))
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self.addParameter(QgsProcessingParameterNumber(self.TILE_SIZE_Y,
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self.tr('Tile height'),
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type=QgsProcessingParameterNumber.Integer,
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minValue=0,
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defaultValue=256))
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self.addParameter(QgsProcessingParameterNumber(self.OVERLAP,
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self.tr('Overlap in pixels between consecutive tiles'),
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type=QgsProcessingParameterNumber.Integer,
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minValue=0,
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defaultValue=0))
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self.addParameter(QgsProcessingParameterNumber(self.LEVELS,
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self.tr('Number of pyramids levels to build'),
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type=QgsProcessingParameterNumber.Integer,
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minValue=0,
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defaultValue=1))
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params = [
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QgsProcessingParameterCrs(self.SOURCE_CRS,
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self.tr('Source coordinate reference system'),
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optional=True,
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),
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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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QgsProcessingParameterString(self.DELIMITER,
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self.tr('Column delimiter used in the CSV file'),
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defaultValue=';',
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optional=True)
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]
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options_param = QgsProcessingParameterString(self.OPTIONS,
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self.tr('Additional creation options'),
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defaultValue='',
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optional=True)
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options_param.setMetadata({
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'widget_wrapper': {
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'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
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params.append(options_param)
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params.append(QgsProcessingParameterString(self.EXTRA,
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self.tr('Additional command-line parameters'),
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defaultValue=None,
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optional=True))
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params.append(QgsProcessingParameterEnum(self.DATA_TYPE,
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self.tr('Output data type'),
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self.TYPES,
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allowMultiple=False,
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defaultValue=5))
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params.append(QgsProcessingParameterBoolean(self.ONLY_PYRAMIDS,
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self.tr('Build only the pyramids'),
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defaultValue=False))
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params.append(QgsProcessingParameterBoolean(self.DIR_FOR_ROW,
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self.tr('Use separate directory for each tiles row'),
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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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output_csv_param = QgsProcessingParameterFileDestination(self.OUTPUT_CSV,
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self.tr('CSV file containing the tile(s) georeferencing information'),
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'CSV files (*.csv)',
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optional=True)
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output_csv_param.setCreateByDefault(False)
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self.addParameter(output_csv_param)
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def name(self):
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return 'retile'
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def displayName(self):
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return self.tr('Retile')
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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 "gdal_retile"
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def getConsoleCommands(self, parameters, context, feedback, executing=True):
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arguments = [
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'-ps',
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str(self.parameterAsInt(parameters, self.TILE_SIZE_X, context)),
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str(self.parameterAsInt(parameters, self.TILE_SIZE_Y, context)),
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'-overlap',
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str(self.parameterAsInt(parameters, self.OVERLAP, context)),
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'-levels',
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str(self.parameterAsInt(parameters, self.LEVELS, context))
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]
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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_srs')
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arguments.append(GdalUtils.gdal_crs_string(crs))
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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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data_type = self.parameterAsEnum(parameters, self.DATA_TYPE, context)
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if self.TYPES[data_type] == 'Int8' and GdalUtils.version() < 3070000:
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raise QgsProcessingException(self.tr('Int8 data type requires GDAL version 3.7 or later'))
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arguments.append('-ot ' + self.TYPES[data_type])
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options = self.parameterAsString(parameters, self.OPTIONS, context)
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if options:
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arguments.extend(GdalUtils.parseCreationOptions(options))
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if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ''):
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extra = self.parameterAsString(parameters, self.EXTRA, context)
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arguments.append(extra)
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if self.parameterAsBoolean(parameters, self.DIR_FOR_ROW, context):
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arguments.append('-useDirForEachRow')
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if self.parameterAsBoolean(parameters, self.ONLY_PYRAMIDS, context):
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arguments.append('-pyramidOnly')
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csvFile = self.parameterAsFileOutput(parameters, self.OUTPUT_CSV, context)
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if csvFile:
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arguments.append('-csv')
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arguments.append(csvFile)
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delimiter = self.parameterAsString(parameters, self.DELIMITER, context)
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if delimiter:
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arguments.append('-csvDelim')
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arguments.append(delimiter)
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arguments.append('-targetDir')
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arguments.append(self.parameterAsString(parameters, self.OUTPUT, context))
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layers = [l.source() for l in self.parameterAsLayerList(parameters, self.INPUT, context)]
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arguments.extend(layers)
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return [self.commandName() + ('.bat' if isWindows() else '.py'), GdalUtils.escapeAndJoin(arguments)]
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