mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-09 00:08:52 -04:00
134 lines
4.4 KiB
Python
134 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
self.py
|
|
---------------------
|
|
Date : January 2016
|
|
Copyright : (C) 2016 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__ = 'January 2016'
|
|
__copyright__ = '(C) 2016, Alexander Bruy'
|
|
|
|
import os
|
|
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from qgis.core import (QgsProcessingException,
|
|
QgsProcessingParameterRasterLayer,
|
|
QgsProcessingParameterCrs,
|
|
QgsProcessingOutputRasterLayer,
|
|
QgsProcessingContext)
|
|
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 AssignProjection(GdalAlgorithm):
|
|
INPUT = 'INPUT'
|
|
CRS = 'CRS'
|
|
OUTPUT = 'OUTPUT'
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT,
|
|
self.tr('Input layer')))
|
|
self.addParameter(QgsProcessingParameterCrs(self.CRS,
|
|
self.tr('Desired CRS')))
|
|
|
|
self.addOutput(QgsProcessingOutputRasterLayer(self.OUTPUT,
|
|
self.tr('Layer with projection')))
|
|
|
|
def name(self):
|
|
return 'assignprojection'
|
|
|
|
def displayName(self):
|
|
return self.tr('Assign projection')
|
|
|
|
def icon(self):
|
|
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'projection-add.png'))
|
|
|
|
def tags(self):
|
|
tags = self.tr('assign,set,transform,reproject,crs,srs').split(',')
|
|
tags.extend(super().tags())
|
|
return tags
|
|
|
|
def group(self):
|
|
return self.tr('Raster projections')
|
|
|
|
def groupId(self):
|
|
return 'rasterprojections'
|
|
|
|
def commandName(self):
|
|
return 'gdal_edit'
|
|
|
|
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))
|
|
|
|
fileName = inLayer.source()
|
|
|
|
crs = self.parameterAsCrs(parameters, self.CRS, context)
|
|
|
|
arguments = [
|
|
'-a_srs',
|
|
GdalUtils.gdal_crs_string(crs),
|
|
|
|
fileName
|
|
]
|
|
|
|
self.setOutputValue(self.OUTPUT, fileName)
|
|
|
|
return [self.commandName() + ('.bat' if isWindows() else '.py'), GdalUtils.escapeAndJoin(arguments)]
|
|
|
|
def postProcessAlgorithm(self, context, feedback):
|
|
# get output value
|
|
fileName = self.output_values.get(self.OUTPUT)
|
|
if not fileName:
|
|
return {}
|
|
|
|
# search in context project's layers
|
|
if context.project():
|
|
|
|
for l in context.project().mapLayers().values():
|
|
|
|
# check the source
|
|
if l.source() != fileName:
|
|
continue
|
|
|
|
# reload provider's data
|
|
l.dataProvider().reloadData()
|
|
l.setCrs(l.dataProvider().crs())
|
|
l.triggerRepaint()
|
|
|
|
# search in context temporary layer store
|
|
for l in context.temporaryLayerStore().mapLayers().values():
|
|
|
|
# check the source
|
|
if l.source() != fileName:
|
|
continue
|
|
|
|
# reload provider's data
|
|
l.dataProvider().reloadData()
|
|
l.setCrs(l.dataProvider().crs())
|
|
context.temporaryLayerStore().addMapLayer(l)
|
|
|
|
return {}
|