Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
3 changed files
with
128 additions
and
15 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
121 changes: 121 additions & 0 deletions
121
python/plugins/processing/algs/gdal/rasterize_over_fixed_value.py
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,121 @@ | ||
# -*- coding: utf-8 -*- | ||
|
||
""" | ||
*************************************************************************** | ||
rasterize_over.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' | ||
|
||
import os | ||
|
||
from qgis.PyQt.QtGui import QIcon | ||
|
||
from qgis.core import (QgsRasterFileWriter, | ||
QgsProcessingParameterDefinition, | ||
QgsProcessingParameterFeatureSource, | ||
QgsProcessingParameterField, | ||
QgsProcessingParameterRasterLayer, | ||
QgsProcessingParameterNumber, | ||
QgsProcessingParameterString, | ||
QgsProcessingParameterBoolean) | ||
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_over_fixed_value(GdalAlgorithm): | ||
|
||
INPUT = 'INPUT' | ||
INPUT_RASTER = 'INPUT_RASTER' | ||
ADD = 'ADD' | ||
EXTRA = 'EXTRA' | ||
BURN = 'BURN' | ||
|
||
def __init__(self): | ||
super().__init__() | ||
|
||
def initAlgorithm(self, config=None): | ||
self.units = [self.tr("Pixels"), | ||
self.tr("Georeferenced units")] | ||
|
||
self.addParameter(QgsProcessingParameterFeatureSource(self.INPUT, | ||
self.tr('Input vector layer'))) | ||
|
||
self.addParameter(QgsProcessingParameterRasterLayer(self.INPUT_RASTER, self.tr('Input raster layer'))) | ||
|
||
self.addParameter(QgsProcessingParameterNumber(self.BURN, | ||
self.tr('A fixed value to burn'), | ||
type=QgsProcessingParameterNumber.Double, | ||
defaultValue=0.0, | ||
optional=False)) | ||
|
||
add_param = QgsProcessingParameterBoolean(self.ADD, | ||
self.tr('Add burn in values to existing raster values'), | ||
defaultValue=False) | ||
add_param.setFlags(add_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced) | ||
self.addParameter(add_param) | ||
|
||
extra_param = QgsProcessingParameterString(self.EXTRA, | ||
self.tr('Additional command-line parameters'), | ||
defaultValue=None, | ||
optional=True) | ||
extra_param.setFlags(extra_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced) | ||
self.addParameter(extra_param) | ||
|
||
def name(self): | ||
return 'rasterize_over_fixed_value' | ||
|
||
def displayName(self): | ||
return self.tr('Rasterize (write fixed value over existing raster)') | ||
|
||
def group(self): | ||
return self.tr('Vector conversion') | ||
|
||
def groupId(self): | ||
return 'vectorconversion' | ||
|
||
def icon(self): | ||
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'rasterize.png')) | ||
|
||
def commandName(self): | ||
return 'gdal_rasterize' | ||
|
||
def getConsoleCommands(self, parameters, context, feedback, executing=True): | ||
ogrLayer, layerName = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback, executing) | ||
inLayer = self.parameterAsRasterLayer(parameters, self.INPUT_RASTER, context) | ||
|
||
arguments = ['-l'] | ||
arguments.append(layerName) | ||
|
||
fieldName = self.parameterAsString(parameters, self.FIELD, context) | ||
|
||
arguments.append('-burn') | ||
arguments.append(self.parameterAsDouble(parameters, self.BURN, context)) | ||
|
||
if self.parameterAsBool(parameters, self.ADD, context): | ||
arguments.append('-add') | ||
|
||
if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ''): | ||
extra = self.parameterAsString(parameters, self.EXTRA, context) | ||
arguments.append(extra) | ||
|
||
arguments.append(ogrLayer) | ||
arguments.append(inLayer.source()) | ||
|
||
return [self.commandName(), GdalUtils.escapeAndJoin(arguments)] |