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84 lines
3.1 KiB
Python
84 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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polygonize.py
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---------------------
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Date : August 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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__author__ = 'Victor Olaya'
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__date__ = 'August 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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import os
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from qgis.PyQt.QtGui import QIcon
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from qgis.PyQt.QtCore import QFileInfo
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from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
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from processing.core.parameters import ParameterRaster
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from processing.core.parameters import ParameterString
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from processing.core.outputs import OutputVector
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from processing.tools.system import isWindows
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from processing.algs.gdal.GdalUtils import GdalUtils
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pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
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class polygonize(GdalAlgorithm):
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INPUT = 'INPUT'
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OUTPUT = 'OUTPUT'
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FIELD = 'FIELD'
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def getIcon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'polygonize.png'))
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def commandLineName(self):
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return "gdal:polygonize"
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Polygonize (raster to vector)')
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self.group, self.i18n_group = self.trAlgorithm('[GDAL] Conversion')
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self.addParameter(ParameterRaster(polygonize.INPUT,
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self.tr('Input layer'), False))
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self.addParameter(ParameterString(polygonize.FIELD,
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self.tr('Output field name'), 'DN'))
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self.addOutput(OutputVector(polygonize.OUTPUT, self.tr('Vectorized')))
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def getConsoleCommands(self):
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output = self.getOutputValue(polygonize.OUTPUT)
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arguments = []
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arguments.append(self.getParameterValue(polygonize.INPUT))
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arguments.append('-f')
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arguments.append(GdalUtils.getVectorDriverFromFileName(output))
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arguments.append(output)
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arguments.append(QFileInfo(output).baseName())
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arguments.append(self.getParameterValue(polygonize.FIELD))
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commands = []
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if isWindows():
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commands = ['cmd.exe', '/C ', 'gdal_polygonize.bat',
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GdalUtils.escapeAndJoin(arguments)]
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else:
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commands = ['gdal_polygonize.py',
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GdalUtils.escapeAndJoin(arguments)]
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return commands
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