mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-28 00:05:33 -04:00
59 lines
2.3 KiB
Python
59 lines
2.3 KiB
Python
"""
|
|
***************************************************************************
|
|
v_proj.py
|
|
---------
|
|
Date : November 2017
|
|
Copyright : (C) 2017 by Médéric Ribreux
|
|
Email : medspx at medspx dot fr
|
|
***************************************************************************
|
|
* *
|
|
* 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__ = "Médéric Ribreux"
|
|
__date__ = "November 2017"
|
|
__copyright__ = "(C) 2017, Médéric Ribreux"
|
|
|
|
from qgis.core import QgsProcessingParameterString
|
|
from grassprovider.grass_utils import GrassUtils
|
|
|
|
|
|
def processInputs(alg, parameters, context, feedback):
|
|
# Grab the projection from the input vector layer
|
|
layer = alg.parameterAsLayer(parameters, "input", context)
|
|
alg.setSessionProjectionFromLayer(layer, context)
|
|
layerCrs = layer.crs().toProj()
|
|
|
|
# Creates a new location with this Crs
|
|
wkt_file_name = GrassUtils.exportCrsWktToFile(layer.crs(), context)
|
|
newLocation = f"newProj{alg.uniqueSuffix}"
|
|
alg.commands.append(f'g.proj wkt="{wkt_file_name}" location={newLocation}')
|
|
|
|
# Go to the newly created location
|
|
alg.commands.append(f"g.mapset mapset=PERMANENT location={newLocation}")
|
|
|
|
# Import the layer
|
|
alg.loadVectorLayerFromParameter("input", parameters, context, feedback, False)
|
|
|
|
# Go back to default location
|
|
alg.commands.append("g.mapset mapset=PERMANENT location=temp_location")
|
|
|
|
# Grab the projected Crs
|
|
crs = alg.parameterAsCrs(parameters, "crs", context)
|
|
wkt_file_name = GrassUtils.exportCrsWktToFile(crs, context)
|
|
alg.commands.append(f'g.proj -c wkt="{wkt_file_name}"')
|
|
|
|
# Remove crs parameter
|
|
alg.removeParameter("crs")
|
|
|
|
# Add the location parameter with proper value
|
|
location = QgsProcessingParameterString(
|
|
"location", "new location", f"newProj{alg.uniqueSuffix}"
|
|
)
|
|
alg.addParameter(location)
|