mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-03 00:02:25 -05:00
164 lines
7.6 KiB
Python
164 lines
7.6 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
merge.py
|
|
---------------------
|
|
Date : October 2014
|
|
Copyright : (C) 2014 by Radoslaw Guzinski
|
|
Email : rmgu at dhi-gras 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__ = 'Radoslaw Guzinski'
|
|
__date__ = 'October 2014'
|
|
__copyright__ = '(C) 2014, Radoslaw Guzinski'
|
|
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os
|
|
|
|
from qgis.PyQt.QtCore import QCoreApplication
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from qgis.core import (QgsProcessingAlgorithm,
|
|
QgsProcessing,
|
|
QgsProcessingParameterDefinition,
|
|
QgsProperty,
|
|
QgsProcessingParameterMultipleLayers,
|
|
QgsProcessingParameterEnum,
|
|
QgsProcessingParameterBoolean,
|
|
QgsProcessingParameterRasterDestination,
|
|
QgsProcessingParameterCrs,
|
|
QgsProcessingOutputLayerDefinition,
|
|
QgsProcessingUtils)
|
|
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 buildvrt(GdalAlgorithm):
|
|
|
|
INPUT = 'INPUT'
|
|
OUTPUT = 'OUTPUT'
|
|
RESOLUTION = 'RESOLUTION'
|
|
SEPARATE = 'SEPARATE'
|
|
PROJ_DIFFERENCE = 'PROJ_DIFFERENCE'
|
|
ADD_ALPHA = 'ADD_ALPHA'
|
|
ASSIGN_CRS = 'ASSIGN_CRS'
|
|
RESAMPLING = 'RESAMPLING'
|
|
|
|
RESOLUTION_OPTIONS = ['average', 'highest', 'lowest']
|
|
RESAMPLING_OPTIONS = ['nearest', 'bilinear', 'cubic', 'cubicspline', 'lanczos', 'average', 'mode']
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
|
|
class ParameterVrtDestination(QgsProcessingParameterRasterDestination):
|
|
|
|
def __init__(self, name, description):
|
|
super().__init__(name, description)
|
|
|
|
def clone(self):
|
|
copy = ParameterVrtDestination(self.name(), self.description())
|
|
return copy
|
|
|
|
def type(self):
|
|
return 'vrt_destination'
|
|
|
|
def defaultFileExtension(self):
|
|
return 'vrt'
|
|
|
|
self.addParameter(QgsProcessingParameterMultipleLayers(self.INPUT,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Input layers'),
|
|
QgsProcessing.TypeRaster))
|
|
self.addParameter(QgsProcessingParameterEnum(self.RESOLUTION,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Resolution'),
|
|
options=self.RESOLUTION_OPTIONS,
|
|
defaultValue=0))
|
|
self.addParameter(QgsProcessingParameterBoolean(self.SEPARATE,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Place each input file into a separate band'),
|
|
defaultValue=True))
|
|
self.addParameter(QgsProcessingParameterBoolean(self.PROJ_DIFFERENCE,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Allow projection difference'),
|
|
defaultValue=False))
|
|
|
|
add_alpha_param = QgsProcessingParameterBoolean(self.ADD_ALPHA,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Add alpha mask band to VRT when source raster has none'),
|
|
defaultValue=False)
|
|
add_alpha_param.setFlags(add_alpha_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(add_alpha_param)
|
|
|
|
assign_crs = QgsProcessingParameterCrs(self.ASSIGN_CRS,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Override projection for the output file'),
|
|
defaultValue=None, optional=True)
|
|
assign_crs.setFlags(assign_crs.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(assign_crs)
|
|
|
|
resampling = QgsProcessingParameterEnum(self.RESAMPLING,
|
|
QCoreApplication.translate("ParameterVrtDestination", 'Resampling algorithm'),
|
|
options=self.RESAMPLING_OPTIONS,
|
|
defaultValue=0)
|
|
resampling.setFlags(resampling.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(resampling)
|
|
|
|
self.addParameter(ParameterVrtDestination(self.OUTPUT, QCoreApplication.translate("ParameterVrtDestination", 'Virtual')))
|
|
|
|
def name(self):
|
|
return 'buildvirtualraster'
|
|
|
|
def displayName(self):
|
|
return QCoreApplication.translate("buildvrt", 'Build virtual raster')
|
|
|
|
def icon(self):
|
|
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'vrt.png'))
|
|
|
|
def group(self):
|
|
return QCoreApplication.translate("buildvrt", 'Raster miscellaneous')
|
|
|
|
def groupId(self):
|
|
return 'rastermiscellaneous'
|
|
|
|
def commandName(self):
|
|
return "gdalbuildvrt"
|
|
|
|
def getConsoleCommands(self, parameters, context, feedback, executing=True):
|
|
arguments = []
|
|
arguments.append('-resolution')
|
|
arguments.append(self.RESOLUTION_OPTIONS[self.parameterAsEnum(parameters, self.RESOLUTION, context)])
|
|
if self.parameterAsBool(parameters, buildvrt.SEPARATE, context):
|
|
arguments.append('-separate')
|
|
if self.parameterAsBool(parameters, buildvrt.PROJ_DIFFERENCE, context):
|
|
arguments.append('-allow_projection_difference')
|
|
if self.parameterAsBool(parameters, buildvrt.ADD_ALPHA, context):
|
|
arguments.append('-addalpha')
|
|
crs = self.parameterAsCrs(parameters, self.ASSIGN_CRS, context)
|
|
if crs.isValid():
|
|
arguments.append('-a_srs')
|
|
arguments.append(GdalUtils.gdal_crs_string(crs))
|
|
arguments.append('-r')
|
|
arguments.append(self.RESAMPLING_OPTIONS[self.parameterAsEnum(parameters, self.RESAMPLING, context)])
|
|
|
|
# Always write input files to a text file in case there are many of them and the
|
|
# length of the command will be longer then allowed in command prompt
|
|
list_file = GdalUtils.writeLayerParameterToTextFile(filename='buildvrtInputFiles.txt', alg=self, parameters=parameters, parameter_name=self.INPUT, context=context, executing=executing, quote=False)
|
|
arguments.append('-input_file_list')
|
|
arguments.append(list_file)
|
|
|
|
out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
|
|
arguments.append(out)
|
|
|
|
return [self.commandName(), GdalUtils.escapeAndJoin(arguments)]
|