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b1cadb1822
have specific icons, instead of generic qgis icon We consider these 'top level' algorithms, and using the standard algorithm icon should help reflect this and differentiate them from 3rd party algorithms.
93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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SpatialIndex.py
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---------------------
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Date : January 2016
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Copyright : (C) 2016 by Alexander Bruy
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Email : alexander dot bruy at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Alexander Bruy'
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__date__ = 'January 2016'
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__copyright__ = '(C) 2016, Alexander Bruy'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import re
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from qgis.core import (QgsCoordinateReferenceSystem,
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QgsApplication,
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QgsProcessingUtils)
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from qgis.utils import iface
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from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
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from processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterCrs
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from processing.core.outputs import OutputVector
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pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
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class DefineProjection(QgisAlgorithm):
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INPUT = 'INPUT'
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CRS = 'CRS'
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OUTPUT = 'OUTPUT'
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def group(self):
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return self.tr('Vector general tools')
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def __init__(self):
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super().__init__()
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self.addParameter(ParameterVector(self.INPUT,
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self.tr('Input Layer')))
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self.addParameter(ParameterCrs(self.CRS, 'Output CRS'))
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self.addOutput(OutputVector(self.OUTPUT,
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self.tr('Layer with projection'), True))
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def name(self):
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return 'definecurrentprojection'
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def displayName(self):
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return self.tr('Define current projection')
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def processAlgorithm(self, parameters, context, feedback):
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fileName = self.getParameterValue(self.INPUT)
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layer = QgsProcessingUtils.mapLayerFromString(fileName, context)
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crs = QgsCoordinateReferenceSystem(self.getParameterValue(self.CRS))
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provider = layer.dataProvider()
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ds = provider.dataSourceUri()
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p = re.compile('\|.*')
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dsPath = p.sub('', ds)
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if dsPath.lower().endswith('.shp'):
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dsPath = dsPath[:-4]
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wkt = crs.toWkt()
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with open(dsPath + '.prj', 'w') as f:
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f.write(wkt)
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qpjFile = dsPath + '.qpj'
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if os.path.exists(qpjFile):
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with open(qpjFile, 'w') as f:
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f.write(wkt)
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layer.setCrs(crs)
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iface.mapCanvas().refresh()
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self.setOutputValue(self.OUTPUT, fileName)
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