QGIS/python/plugins/processing/algs/gdal/ogr2ogrclipextent.py
Juergen E. Fischer 31df84aa6b run 2to3 on source
2016-09-21 23:30:04 +02:00

99 lines
3.6 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
ogr2ogrclipextent.py
---------------------
Date : November 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf 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. *
* *
***************************************************************************
"""
from builtins import str
__author__ = 'Victor Olaya'
__date__ = 'November 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from processing.core.parameters import ParameterVector
from processing.core.parameters import ParameterString
from processing.core.parameters import ParameterExtent
from processing.core.outputs import OutputVector
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.algs.gdal.GdalUtils import GdalUtils
from processing.tools.system import isWindows
from processing.tools.vector import ogrConnectionString, ogrLayerName
class Ogr2OgrClipExtent(GdalAlgorithm):
OUTPUT_LAYER = 'OUTPUT_LAYER'
INPUT_LAYER = 'INPUT_LAYER'
CLIP_EXTENT = 'CLIP_EXTENT'
OPTIONS = 'OPTIONS'
def defineCharacteristics(self):
self.name, self.i18n_name = self.trAlgorithm('Clip vectors by extent')
self.group, self.i18n_group = self.trAlgorithm('[OGR] Geoprocessing')
self.addParameter(ParameterVector(self.INPUT_LAYER,
self.tr('Input layer')))
self.addParameter(ParameterExtent(self.CLIP_EXTENT,
self.tr('Clip extent')))
self.addParameter(ParameterString(self.OPTIONS,
self.tr('Additional creation options'), '', optional=True))
self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Clipped (extent)')))
def getConsoleCommands(self):
inLayer = self.getParameterValue(self.INPUT_LAYER)
ogrLayer = ogrConnectionString(inLayer)[1:-1]
clipExtent = self.getParameterValue(self.CLIP_EXTENT)
output = self.getOutputFromName(self.OUTPUT_LAYER)
outFile = output.value
output = ogrConnectionString(outFile)
options = str(self.getParameterValue(self.OPTIONS))
arguments = []
regionCoords = clipExtent.split(',')
arguments.append('-spat')
arguments.append(regionCoords[0])
arguments.append(regionCoords[2])
arguments.append(regionCoords[1])
arguments.append(regionCoords[3])
arguments.append('-clipsrc spat_extent')
if len(options) > 0:
arguments.append(options)
arguments.append(output)
arguments.append(ogrLayer)
arguments.append(ogrLayerName(inLayer))
commands = []
if isWindows():
commands = ['cmd.exe', '/C ', 'ogr2ogr.exe',
GdalUtils.escapeAndJoin(arguments)]
else:
commands = ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]
return commands
def commandName(self):
return "ogr2ogr"