mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-09 00:35:20 -05:00
96c7e6e0a6
generated command based on whether the algorithm is actually executing or just being displayed in the UI as a command
164 lines
6.1 KiB
Python
164 lines
6.1 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
rasterize.py
|
|
---------------------
|
|
Date : September 2013
|
|
Copyright : (C) 2013 by Alexander Bruy
|
|
Email : alexander dot bruy 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. *
|
|
* *
|
|
***************************************************************************
|
|
"""
|
|
|
|
|
|
__author__ = 'Alexander Bruy'
|
|
__date__ = 'September 2013'
|
|
__copyright__ = '(C) 2013, Alexander Bruy'
|
|
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os
|
|
|
|
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 rasterize(GdalAlgorithm):
|
|
|
|
INPUT = 'INPUT'
|
|
FIELD = 'FIELD'
|
|
DIMENSIONS = 'DIMENSIONS'
|
|
WIDTH = 'WIDTH'
|
|
HEIGHT = 'HEIGHT'
|
|
NO_DATA = 'NO_DATA'
|
|
RTYPE = 'RTYPE'
|
|
OPTIONS = 'OPTIONS'
|
|
OUTPUT = 'OUTPUT'
|
|
|
|
TYPE = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64']
|
|
|
|
RAST_EXT = 'RAST_EXT'
|
|
|
|
def icon(self):
|
|
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'rasterize.png'))
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
self.addParameter(ParameterVector(self.INPUT, self.tr('Input layer')))
|
|
self.addParameter(ParameterTableField(self.FIELD,
|
|
self.tr('Attribute field'), self.INPUT))
|
|
self.addParameter(ParameterSelection(self.DIMENSIONS,
|
|
self.tr('Set output raster size (ignored if above option is checked)'),
|
|
['Output size in pixels', 'Output resolution in map units per pixel'], 1))
|
|
self.addParameter(ParameterNumber(self.WIDTH,
|
|
self.tr('Horizontal'), 0.0, 99999999.999999, 100.0))
|
|
self.addParameter(ParameterNumber(self.HEIGHT,
|
|
self.tr('Vertical'), 0.0, 99999999.999999, 100.0))
|
|
self.addParameter(ParameterExtent(self.RAST_EXT, self.tr('Raster extent')))
|
|
self.addParameter(ParameterString(self.NO_DATA,
|
|
self.tr("Nodata value"),
|
|
'', optional=True))
|
|
|
|
self.addParameter(ParameterString(self.OPTIONS,
|
|
self.tr('Additional creation options'),
|
|
optional=True,
|
|
metadata={'widget_wrapper': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}))
|
|
self.addParameter(ParameterSelection(self.RTYPE,
|
|
self.tr('Raster type'),
|
|
self.TYPE, 5))
|
|
|
|
self.addOutput(OutputRaster(self.OUTPUT,
|
|
self.tr('Rasterized')))
|
|
|
|
def name(self):
|
|
return 'rasterize'
|
|
|
|
def displayName(self):
|
|
return self.tr('Rasterize (vector to raster)')
|
|
|
|
def group(self):
|
|
return self.tr('Vector conversion')
|
|
|
|
def getConsoleCommands(self, parameters, context, feedback, executing=True):
|
|
inLayer = self.getParameterValue(self.INPUT)
|
|
noData = self.getParameterValue(self.NO_DATA)
|
|
rastext = str(self.getParameterValue(self.RAST_EXT))
|
|
if not rastext:
|
|
rastext = QgsProcessingUtils.combineLayerExtents([inLayer])
|
|
opts = self.getParameterValue(self.OPTIONS)
|
|
out = self.getOutputValue(self.OUTPUT)
|
|
|
|
ogrLayer = GdalUtils.ogrConnectionString(inLayer, context)[1:-1]
|
|
|
|
if noData is not None:
|
|
noData = str(noData)
|
|
|
|
arguments = []
|
|
arguments.append('-a')
|
|
arguments.append(str(self.getParameterValue(self.FIELD)))
|
|
|
|
arguments.append('-ot')
|
|
arguments.append(self.TYPE[self.getParameterValue(self.RTYPE)])
|
|
dimType = self.getParameterValue(self.DIMENSIONS)
|
|
arguments.append('-of')
|
|
arguments.append(GdalUtils.getFormatShortNameFromFilename(out))
|
|
|
|
regionCoords = rastext.split(',')
|
|
try:
|
|
rastext = []
|
|
rastext.append('-te')
|
|
rastext.append(regionCoords[0])
|
|
rastext.append(regionCoords[2])
|
|
rastext.append(regionCoords[1])
|
|
rastext.append(regionCoords[3])
|
|
except IndexError:
|
|
rastext = []
|
|
if rastext:
|
|
arguments.extend(rastext)
|
|
|
|
if dimType == 0:
|
|
# size in pixels
|
|
arguments.append('-ts')
|
|
arguments.append(str(self.getParameterValue(self.WIDTH)))
|
|
arguments.append(str(self.getParameterValue(self.HEIGHT)))
|
|
else:
|
|
# resolution in map units per pixel
|
|
arguments.append('-tr')
|
|
arguments.append(str(self.getParameterValue(self.WIDTH)))
|
|
arguments.append(str(self.getParameterValue(self.HEIGHT)))
|
|
|
|
if noData and len(noData) > 0:
|
|
arguments.append('-a_nodata')
|
|
arguments.append(noData)
|
|
|
|
if opts:
|
|
arguments.append('-co')
|
|
arguments.append(opts)
|
|
|
|
arguments.append('-l')
|
|
|
|
print(GdalUtils.ogrLayerName(inLayer))
|
|
arguments.append(GdalUtils.ogrLayerName(inLayer))
|
|
arguments.append(ogrLayer)
|
|
|
|
arguments.append(out)
|
|
return ['gdal_rasterize', GdalUtils.escapeAndJoin(arguments)]
|
|
|
|
def commandName(self):
|
|
return "gdal_rasterize"
|