mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
nearblack.py
|
|
---------------------
|
|
Date : August 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__ = 'August 2012'
|
|
__copyright__ = '(C) 2012, Victor Olaya'
|
|
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os
|
|
|
|
from qgis.core import (QgsProcessingParameterRasterLayer,
|
|
QgsProcessingParameterBoolean,
|
|
QgsProcessingParameterNumber,
|
|
QgsProcessingParameterRasterDestination)
|
|
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
|
|
from processing.algs.gdal.GdalUtils import GdalUtils
|
|
|
|
pluginPath = os.path.split(os.path.split(os.path.dirname(__file__))[0])[0]
|
|
|
|
|
|
class nearblack(GdalAlgorithm):
|
|
|
|
INPUT = 'INPUT'
|
|
OUTPUT = 'OUTPUT'
|
|
NEAR = 'NEAR'
|
|
WHITE = 'WHITE'
|
|
|
|
def icon(self):
|
|
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'nearblack.png'))
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT, self.tr('Input layer'), False))
|
|
self.addParameter(QgsProcessingParameterNumber(self.NEAR,
|
|
self.tr('How far from black (white)'),
|
|
type=QgsProcessingParameterNumber.Integer, minValue=0, maxValue=15, defaultValue=None))
|
|
self.addParameter(QgsProcessingParameterBoolean(self.WHITE,
|
|
self.tr('Search for nearly white pixels instead of nearly black'),
|
|
defaultValue=False))
|
|
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT, self.tr('Nearblack')))
|
|
|
|
def name(self):
|
|
return 'nearblack'
|
|
|
|
def displayName(self):
|
|
return self.tr('Near black')
|
|
|
|
def group(self):
|
|
return self.tr('Raster analysis')
|
|
|
|
def getConsoleCommands(self, parameters, context, feedback):
|
|
out = str(self.parameterAsOutputLayer(parameters, self.OUTPUT, context))
|
|
|
|
arguments = []
|
|
arguments.append('-o')
|
|
arguments.append(out)
|
|
arguments.append('-of')
|
|
arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
|
|
arguments.append('-near')
|
|
arguments.append(str(self.parameterAsInt(parameters, self.NEAR, context)))
|
|
if self.parameterAsBool(parameters, self.WHITE, context):
|
|
arguments.append('-white')
|
|
arguments.append(self.parameterAsRasterLayer(parameters, self.INPUT, context).source())
|
|
|
|
return ['nearblack', GdalUtils.escapeAndJoin(arguments)]
|