mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
148 lines
6.1 KiB
Python
148 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
pansharp.py
|
|
---------------------
|
|
Date : March 2019
|
|
Copyright : (C) 2019 by Alexander Bruy
|
|
Email : alexander dot bruy 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__ = 'Alexander Bruy'
|
|
__date__ = 'March 2019'
|
|
__copyright__ = '(C) 2019, Alexander Bruy'
|
|
|
|
import os
|
|
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from qgis.core import (QgsRasterFileWriter,
|
|
QgsProcessingException,
|
|
QgsProcessingParameterDefinition,
|
|
QgsProcessingParameterRasterLayer,
|
|
QgsProcessingParameterEnum,
|
|
QgsProcessingParameterString,
|
|
QgsProcessingParameterRasterDestination)
|
|
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
|
|
from processing.algs.gdal.GdalUtils import GdalUtils
|
|
|
|
from processing.tools.system import isWindows
|
|
|
|
pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
|
|
|
|
|
|
class pansharp(GdalAlgorithm):
|
|
|
|
SPECTRAL = 'SPECTRAL'
|
|
PANCHROMATIC = 'PANCHROMATIC'
|
|
RESAMPLING = 'RESAMPLING'
|
|
OPTIONS = 'OPTIONS'
|
|
EXTRA = 'EXTRA'
|
|
OUTPUT = 'OUTPUT'
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
self.methods = ((self.tr('Nearest Neighbour'), 'nearest'),
|
|
(self.tr('Bilinear'), 'bilinear'),
|
|
(self.tr('Cubic'), 'cubic'),
|
|
(self.tr('Cubic Spline'), 'cubicspline'),
|
|
(self.tr('Lanczos Windowed Sinc'), 'lanczos'),
|
|
(self.tr('Average'), 'average'))
|
|
|
|
self.addParameter(QgsProcessingParameterRasterLayer(self.SPECTRAL,
|
|
self.tr('Spectral dataset')))
|
|
self.addParameter(QgsProcessingParameterRasterLayer(self.PANCHROMATIC,
|
|
self.tr('Panchromatic dataset')))
|
|
|
|
resampling_param = QgsProcessingParameterEnum(self.RESAMPLING,
|
|
self.tr('Resampling algorithm'),
|
|
options=[i[0] for i in self.methods],
|
|
defaultValue=2)
|
|
resampling_param.setFlags(resampling_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(resampling_param)
|
|
|
|
options_param = QgsProcessingParameterString(self.OPTIONS,
|
|
self.tr('Additional creation options'),
|
|
defaultValue='',
|
|
optional=True)
|
|
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
options_param.setMetadata({
|
|
'widget_wrapper': {
|
|
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
|
|
self.addParameter(options_param)
|
|
|
|
extra_param = QgsProcessingParameterString(self.EXTRA,
|
|
self.tr('Additional command-line parameters'),
|
|
defaultValue=None,
|
|
optional=True)
|
|
extra_param.setFlags(extra_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(extra_param)
|
|
|
|
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
|
|
self.tr('Output')))
|
|
|
|
def name(self):
|
|
return 'pansharp'
|
|
|
|
def displayName(self):
|
|
return self.tr('Pansharpening')
|
|
|
|
def group(self):
|
|
return self.tr('Raster miscellaneous')
|
|
|
|
def groupId(self):
|
|
return 'rastermiscellaneous'
|
|
|
|
def commandName(self):
|
|
return 'gdal_pansharpen'
|
|
|
|
def getConsoleCommands(self, parameters, context, feedback, executing=True):
|
|
spectral = self.parameterAsRasterLayer(parameters, self.SPECTRAL, context)
|
|
if spectral is None:
|
|
raise QgsProcessingException(self.invalidRasterError(parameters, self.SPECTRAL))
|
|
|
|
panchromatic = self.parameterAsRasterLayer(parameters, self.PANCHROMATIC, context)
|
|
if panchromatic is None:
|
|
raise QgsProcessingException(self.invalidRasterError(parameters, self.PANCHROMATIC))
|
|
|
|
out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
|
|
self.setOutputValue(self.OUTPUT, out)
|
|
|
|
arguments = []
|
|
arguments.append(panchromatic.source())
|
|
arguments.append(spectral.source())
|
|
arguments.append(out)
|
|
|
|
arguments.append('-r')
|
|
arguments.append(self.methods[self.parameterAsEnum(parameters, self.RESAMPLING, context)][1])
|
|
arguments.append('-of')
|
|
arguments.append(QgsRasterFileWriter.driverForExtension(os.path.splitext(out)[1]))
|
|
|
|
options = self.parameterAsString(parameters, self.OPTIONS, context)
|
|
if options:
|
|
arguments.extend(GdalUtils.parseCreationOptions(options))
|
|
|
|
if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ''):
|
|
extra = self.parameterAsString(parameters, self.EXTRA, context)
|
|
arguments.append(extra)
|
|
|
|
if isWindows():
|
|
commands = ['python3', '-m', self.commandName()]
|
|
else:
|
|
commands = [self.commandName() + '.py']
|
|
|
|
commands.append(GdalUtils.escapeAndJoin(arguments))
|
|
|
|
return commands
|