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"""
***************************************************************************
translate.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* 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__ = "Victor Olaya"
__date__ = "August 2012"
__copyright__ = "(C) 2012, Victor Olaya"
import os
from qgis.PyQt.QtGui import QIcon
from qgis.core import (
QgsProcessingException,
QgsProcessingParameterDefinition,
QgsProcessingParameterRasterLayer,
QgsProcessingParameterEnum,
QgsProcessingParameterString,
QgsProcessingParameterBoolean,
QgsProcessingOutputRasterLayer,
)
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
class gdaladdo(GdalAlgorithm):
INPUT = "INPUT"
LEVELS = "LEVELS"
CLEAN = "CLEAN"
RESAMPLING = "RESAMPLING"
FORMAT = "FORMAT"
EXTRA = "EXTRA"
OUTPUT = "OUTPUT"
def __init__(self):
super().__init__()
def initAlgorithm(self, config=None):
self.methods = (
(self.tr("Nearest Neighbour (default)"), "nearest"),
(self.tr("Average"), "average"),
(self.tr("Gaussian"), "gauss"),
(self.tr("Cubic (4x4 Kernel)"), "cubic"),
(self.tr("Cubic B-Spline (4x4 Kernel)"), "cubicspline"),
(self.tr("Lanczos (6x6 Kernel)"), "lanczos"),
(self.tr("Average MP"), "average_mp"),
(self.tr("Average in Mag/Phase Space"), "average_magphase"),
(self.tr("Mode"), "mode"),
)
self.formats = (
self.tr("Internal (if possible)"),
self.tr("External (GTiff .ovr)"),
self.tr("External (ERDAS Imagine .aux)"),
)
self.addParameter(
QgsProcessingParameterRasterLayer(self.INPUT, self.tr("Input layer"))
)
self.addParameter(
QgsProcessingParameterBoolean(
self.CLEAN, self.tr("Remove all existing overviews"), defaultValue=False
)
)
if GdalUtils.version() < 230000:
self.addParameter(
QgsProcessingParameterString(
self.LEVELS, self.tr("Overview levels"), defaultValue="2 4 8 16"
)
)
params = []
if GdalUtils.version() >= 230000:
params.append(
QgsProcessingParameterString(
self.LEVELS,
self.tr("Overview levels (e.g. 2 4 8 16)"),
defaultValue=None,
optional=True,
)
)
params.append(
QgsProcessingParameterEnum(
self.RESAMPLING,
self.tr("Resampling method"),
options=[i[0] for i in self.methods],
allowMultiple=False,
defaultValue=None,
optional=True,
)
)
params.append(
QgsProcessingParameterEnum(
self.FORMAT,
self.tr("Overviews format"),
options=self.formats,
allowMultiple=False,
defaultValue=0,
optional=True,
)
)
params.append(
QgsProcessingParameterString(
self.EXTRA,
self.tr("Additional command-line parameters"),
defaultValue=None,
optional=True,
)
)
for p in params:
p.setFlags(p.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced)
self.addParameter(p)
self.addOutput(
QgsProcessingOutputRasterLayer(self.OUTPUT, self.tr("Pyramidized"))
)
def name(self):
return "overviews"
def displayName(self):
return self.tr("Build overviews (pyramids)")
def group(self):
return self.tr("Raster miscellaneous")
def groupId(self):
return "rastermiscellaneous"
def icon(self):
return QIcon(
os.path.join(pluginPath, "images", "gdaltools", "raster-overview.png")
)
def commandName(self):
return "gdaladdo"
def getConsoleCommands(self, parameters, context, feedback, executing=True):
inLayer = self.parameterAsRasterLayer(parameters, self.INPUT, context)
if inLayer is None:
raise QgsProcessingException(
self.invalidRasterError(parameters, self.INPUT)
)
input_details = GdalUtils.gdal_connection_details_from_layer(inLayer)
arguments = [input_details.connection_string]
if self.RESAMPLING in parameters and parameters[self.RESAMPLING] is not None:
arguments.append("-r")
arguments.append(
self.methods[
self.parameterAsEnum(parameters, self.RESAMPLING, context)
][1]
)
ovrFormat = self.parameterAsEnum(parameters, self.FORMAT, context)
if ovrFormat == 1:
arguments.append("-ro")
elif ovrFormat == 2:
arguments.extend("--config USE_RRD YES".split(" "))
if self.parameterAsBoolean(parameters, self.CLEAN, context):
arguments.append("-clean")
if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ""):
extra = self.parameterAsString(parameters, self.EXTRA, context)
arguments.append(extra)
arguments.extend(
self.parameterAsString(parameters, self.LEVELS, context).split(" ")
)
if input_details.credential_options:
arguments.extend(input_details.credential_options_as_arguments())
self.setOutputValue(self.OUTPUT, inLayer.source())
return [self.commandName(), GdalUtils.escapeAndJoin(arguments)]
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