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90 lines
3.0 KiB
Python
90 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 (QgsProcessing,
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QgsProcessingParameterVectorLayer,
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QgsProcessingParameterCrs,
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QgsProcessingOutputVectorLayer)
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from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
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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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def group(self):
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return self.tr('Vector general')
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def __init__(self):
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super().__init__()
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def initAlgorithm(self, config=None):
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self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT,
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self.tr('Input Layer'), types=[QgsProcessing.TypeVectorAnyGeometry]))
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self.addParameter(QgsProcessingParameterCrs(self.CRS, 'Output CRS'))
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self.addOutput(QgsProcessingOutputVectorLayer(self.INPUT,
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self.tr('Layer with projection')))
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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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layer = self.parameterAsVectorLayer(parameters, self.INPUT, context)
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crs = self.parameterAsCrs(parameters, self.CRS, context)
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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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layer.triggerRepaint()
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return {self.INPUT: layer}
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