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109 lines
3.8 KiB
Python
109 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ogr2ogrclipextent.py
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---------------------
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Date : November 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf 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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from builtins import str
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__author__ = 'Victor Olaya'
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__date__ = 'November 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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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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from processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterString
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from processing.core.parameters import ParameterExtent
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from processing.core.outputs import OutputVector
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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from processing.tools.system import isWindows
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class Ogr2OgrClipExtent(GdalAlgorithm):
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OUTPUT_LAYER = 'OUTPUT_LAYER'
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INPUT_LAYER = 'INPUT_LAYER'
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CLIP_EXTENT = 'CLIP_EXTENT'
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OPTIONS = 'OPTIONS'
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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(ParameterVector(self.INPUT_LAYER,
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self.tr('Input layer')))
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self.addParameter(ParameterExtent(self.CLIP_EXTENT,
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self.tr('Clip extent')))
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self.addParameter(ParameterString(self.OPTIONS,
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self.tr('Additional creation options'), '', optional=True))
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self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Clipped (extent)')))
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def name(self):
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return 'clipvectorsbyextent'
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def displayName(self):
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return self.tr('Clip vectors by extent')
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def group(self):
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return self.tr('Vector geoprocessing')
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def getConsoleCommands(self, parameters, context, feedback):
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inLayer = self.getParameterValue(self.INPUT_LAYER)
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ogrLayer = GdalUtils.ogrConnectionString(inLayer, context)[1:-1]
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clipExtent = self.getParameterValue(self.CLIP_EXTENT)
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if not clipExtent:
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clipExtent = QgsProcessingUtils.combineLayerExtents([inLayer])
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output = self.getOutputFromName(self.OUTPUT_LAYER)
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outFile = output.value
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output = GdalUtils.ogrConnectionString(outFile, context)
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options = str(self.getParameterValue(self.OPTIONS))
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arguments = []
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regionCoords = clipExtent.split(',')
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arguments.append('-spat')
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arguments.append(regionCoords[0])
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arguments.append(regionCoords[2])
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arguments.append(regionCoords[1])
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arguments.append(regionCoords[3])
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arguments.append('-clipsrc spat_extent')
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if options is not None and len(options.strip()) > 0:
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arguments.append(options)
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arguments.append(output)
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arguments.append(ogrLayer)
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arguments.append(GdalUtils.ogrLayerName(inLayer))
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commands = []
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if isWindows():
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commands = ['cmd.exe', '/C ', 'ogr2ogr.exe',
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GdalUtils.escapeAndJoin(arguments)]
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else:
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commands = ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]
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return commands
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def commandName(self):
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return "ogr2ogr"
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