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77 lines
3.0 KiB
Python
77 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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nearblack.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 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 ParameterNumber
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from processing.core.parameters import ParameterBoolean
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from processing.core.outputs import OutputRaster
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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 nearblack(GdalAlgorithm):
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INPUT = 'INPUT'
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OUTPUT = 'OUTPUT'
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NEAR = 'NEAR'
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WHITE = 'WHITE'
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def getIcon(self):
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return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'nearblack.png'))
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def defineCharacteristics(self):
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self.name, self.i18n_name = self.trAlgorithm('Near black')
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self.group, self.i18n_group = self.trAlgorithm('[GDAL] Analysis')
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self.addParameter(ParameterRaster(self.INPUT,
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self.tr('Input layer'), False))
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self.addParameter(ParameterNumber(self.NEAR,
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self.tr('How far from black (white)'), 0, None, 15))
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self.addParameter(ParameterBoolean(self.WHITE,
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self.tr('Search for nearly white pixels instead of nearly black'),
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False))
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self.addOutput(OutputRaster(self.OUTPUT, self.tr('Nearblack')))
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def getConsoleCommands(self):
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arguments = []
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arguments.append('-o')
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output = unicode(self.getOutputValue(self.OUTPUT))
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arguments.append(output)
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arguments.append('-of')
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arguments.append(GdalUtils.getFormatShortNameFromFilename(output))
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arguments.append('-near')
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arguments.append(unicode(self.getParameterValue(self.NEAR)))
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if self.getParameterValue(self.WHITE):
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arguments.append('-white')
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arguments.append(self.getParameterValue(self.INPUT))
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return ['nearblack', GdalUtils.escapeAndJoin(arguments)]
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