QGIS/python/plugins/processing/algs/gdal/ogr2ogrclipextent.py
Nyall Dawson a0bd464232 Use formatted name for algorithm names
Avoids conversion of names later and gives clearer separation
between visible names and internal names
2017-04-03 21:17:45 +10:00

105 lines
3.7 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 name(self):
return 'clipvectorsbyextent'
def displayName(self):
return self.tr('Clip vectors by extent')
def group(self):
return self.tr('Vector geoprocessing')
def defineCharacteristics(self):
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 options is not None and len(options.strip()) > 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"