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Port rgb2pct to new API

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This commit is contained in:
Nyall Dawson 2017-08-30 17:53:14 +10:00
parent d0fea64b23
commit a29e3780cd
2 changed files with 15 additions and 13 deletions
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6
python/plugins/processing/algs/gdal/GdalAlgorithmProvider.py
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@ -38,10 +38,11 @@ from .aspect import aspect
from .buildvrt import buildvrt
from .ColorRelief import ColorRelief
from .information import information
from .rgb2pct import rgb2pct
from .tri import tri
from .warp import warp
from .nearblack import nearblack
# from .rgb2pct import rgb2pct
# from .translate import translate
# from .pct2rgb import pct2rgb
# from .merge import merge
@ -146,10 +147,11 @@ class GdalAlgorithmProvider(QgsProcessingProvider):
ColorRelief(),
information(),
nearblack(),
rgb2pct(),
tri(),
warp(),
# translate(),
# rgb2pct(),
#
# pct2rgb(),
# merge(),
# polygonize(),

22
python/plugins/processing/algs/gdal/rgb2pct.py
View File

@ -31,10 +31,10 @@ import os
from qgis.PyQt.QtGui import QIcon
from qgis.core import (QgsProcessingParameterRasterLayer,
QgsProcessingParameterNumber,
QgsProcessingParameterRasterDestination)
from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
from processing.core.parameters import ParameterRaster
from processing.core.parameters import ParameterNumber
from processing.core.outputs import OutputRaster
from processing.tools.system import isWindows
from processing.algs.gdal.GdalUtils import GdalUtils
@ -57,11 +57,11 @@ class rgb2pct(GdalAlgorithm):
super().__init__()
def initAlgorithm(self, config=None):
self.addParameter(ParameterRaster(rgb2pct.INPUT,
self.tr('Input layer'), False))
self.addParameter(ParameterNumber(rgb2pct.NCOLORS,
self.tr('Number of colors'), 1, None, 2))
self.addOutput(OutputRaster(rgb2pct.OUTPUT, self.tr('RGB to PCT')))
self.addParameter(QgsProcessingParameterRasterLayer(rgb2pct.INPUT,
self.tr('Input layer'), optional=False))
self.addParameter(QgsProcessingParameterNumber(rgb2pct.NCOLORS,
self.tr('Number of colors'), minValue=1, defaultValue=2))
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT, self.tr('RGB to PCT')))
def name(self):
return 'rgbtopct'
@ -72,11 +72,11 @@ class rgb2pct(GdalAlgorithm):
def getConsoleCommands(self, parameters, context, feedback):
arguments = []
arguments.append('-n')
arguments.append(str(self.getParameterValue(rgb2pct.NCOLORS)))
arguments.append(str(self.parameterAsInt(parameters, rgb2pct.NCOLORS, context)))
arguments.append('-of')
out = self.getOutputValue(rgb2pct.OUTPUT)
out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
arguments.append(self.getParameterValue(rgb2pct.INPUT))
arguments.append(self.parameterAsRasterLayer(parameters, self.INPUT, context).source())
arguments.append(out)
if isWindows():