mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-11 00:04:09 -04:00
334 lines
11 KiB
Python
334 lines
11 KiB
Python
"""
|
|
***************************************************************************
|
|
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"
|
|
|
|
import os
|
|
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from qgis.core import (
|
|
QgsRasterFileWriter,
|
|
QgsProcessingException,
|
|
QgsProcessingParameterDefinition,
|
|
QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterField,
|
|
QgsProcessingParameterNumber,
|
|
QgsProcessingParameterString,
|
|
QgsProcessingParameterEnum,
|
|
QgsProcessingParameterExtent,
|
|
QgsProcessingParameterBoolean,
|
|
QgsProcessingParameterRasterDestination,
|
|
NULL,
|
|
)
|
|
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"
|
|
BURN = "BURN"
|
|
USE_Z = "USE_Z"
|
|
WIDTH = "WIDTH"
|
|
HEIGHT = "HEIGHT"
|
|
UNITS = "UNITS"
|
|
NODATA = "NODATA"
|
|
EXTENT = "EXTENT"
|
|
INIT = "INIT"
|
|
INVERT = "INVERT"
|
|
ALL_TOUCH = "ALL_TOUCH"
|
|
OPTIONS = "OPTIONS"
|
|
DATA_TYPE = "DATA_TYPE"
|
|
EXTRA = "EXTRA"
|
|
OUTPUT = "OUTPUT"
|
|
|
|
TYPES = [
|
|
"Byte",
|
|
"Int16",
|
|
"UInt16",
|
|
"UInt32",
|
|
"Int32",
|
|
"Float32",
|
|
"Float64",
|
|
"CInt16",
|
|
"CInt32",
|
|
"CFloat32",
|
|
"CFloat64",
|
|
"Int8",
|
|
]
|
|
|
|
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 layer"))
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterField(
|
|
self.FIELD,
|
|
self.tr("Field to use for a burn-in value"),
|
|
None,
|
|
self.INPUT,
|
|
QgsProcessingParameterField.DataType.Numeric,
|
|
optional=True,
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterNumber(
|
|
self.BURN,
|
|
self.tr("A fixed value to burn"),
|
|
type=QgsProcessingParameterNumber.Type.Double,
|
|
defaultValue=0.0,
|
|
optional=True,
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterBoolean(
|
|
self.USE_Z,
|
|
self.tr('Burn value extracted from the "Z" values of the feature'),
|
|
defaultValue=False,
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterEnum(
|
|
self.UNITS, self.tr("Output raster size units"), self.units
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterNumber(
|
|
self.WIDTH,
|
|
self.tr("Width/Horizontal resolution"),
|
|
type=QgsProcessingParameterNumber.Type.Double,
|
|
minValue=0.0,
|
|
defaultValue=0.0,
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterNumber(
|
|
self.HEIGHT,
|
|
self.tr("Height/Vertical resolution"),
|
|
type=QgsProcessingParameterNumber.Type.Double,
|
|
minValue=0.0,
|
|
defaultValue=0.0,
|
|
)
|
|
)
|
|
self.addParameter(
|
|
QgsProcessingParameterExtent(
|
|
self.EXTENT, self.tr("Output extent"), optional=True
|
|
)
|
|
)
|
|
nodataParam = QgsProcessingParameterNumber(
|
|
self.NODATA,
|
|
self.tr("Assign a specified NoData value to output bands"),
|
|
type=QgsProcessingParameterNumber.Type.Double,
|
|
optional=True,
|
|
)
|
|
nodataParam.setGuiDefaultValueOverride(NULL)
|
|
self.addParameter(nodataParam)
|
|
|
|
options_param = QgsProcessingParameterString(
|
|
self.OPTIONS,
|
|
self.tr("Additional creation options"),
|
|
defaultValue="",
|
|
optional=True,
|
|
)
|
|
options_param.setFlags(
|
|
options_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
|
|
)
|
|
options_param.setMetadata({"widget_wrapper": {"widget_type": "rasteroptions"}})
|
|
self.addParameter(options_param)
|
|
|
|
dataType_param = QgsProcessingParameterEnum(
|
|
self.DATA_TYPE,
|
|
self.tr("Output data type"),
|
|
self.TYPES,
|
|
allowMultiple=False,
|
|
defaultValue=5,
|
|
)
|
|
dataType_param.setFlags(
|
|
dataType_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
|
|
)
|
|
self.addParameter(dataType_param)
|
|
|
|
init_param = QgsProcessingParameterNumber(
|
|
self.INIT,
|
|
self.tr("Pre-initialize the output image with value"),
|
|
type=QgsProcessingParameterNumber.Type.Double,
|
|
optional=True,
|
|
)
|
|
init_param.setFlags(
|
|
init_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
|
|
)
|
|
self.addParameter(init_param)
|
|
|
|
invert_param = QgsProcessingParameterBoolean(
|
|
self.INVERT, self.tr("Invert rasterization"), defaultValue=False
|
|
)
|
|
invert_param.setFlags(
|
|
invert_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
|
|
)
|
|
self.addParameter(invert_param)
|
|
|
|
extra_param = QgsProcessingParameterString(
|
|
self.EXTRA,
|
|
self.tr("Additional command-line parameters"),
|
|
defaultValue=None,
|
|
optional=True,
|
|
)
|
|
extra_param.setFlags(
|
|
extra_param.flags() | QgsProcessingParameterDefinition.Flag.FlagAdvanced
|
|
)
|
|
self.addParameter(extra_param)
|
|
|
|
self.addParameter(
|
|
QgsProcessingParameterRasterDestination(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 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):
|
|
source = self.parameterAsSource(parameters, self.INPUT, context)
|
|
if source is None:
|
|
raise QgsProcessingException(
|
|
self.invalidSourceError(parameters, self.INPUT)
|
|
)
|
|
|
|
input_details = self.getOgrCompatibleSource(
|
|
self.INPUT, parameters, context, feedback, executing
|
|
)
|
|
arguments = ["-l", input_details.layer_name]
|
|
fieldName = self.parameterAsString(parameters, self.FIELD, context)
|
|
use_z = self.parameterAsBoolean(parameters, self.USE_Z, context)
|
|
if use_z:
|
|
arguments.append("-3d")
|
|
elif fieldName:
|
|
arguments.append("-a")
|
|
arguments.append(fieldName)
|
|
else:
|
|
arguments.append("-burn")
|
|
arguments.append(self.parameterAsDouble(parameters, self.BURN, context))
|
|
|
|
units = self.parameterAsEnum(parameters, self.UNITS, context)
|
|
if units == 0:
|
|
arguments.append("-ts")
|
|
arguments.append(
|
|
int(self.parameterAsDouble(parameters, self.WIDTH, context))
|
|
)
|
|
arguments.append(
|
|
int(self.parameterAsDouble(parameters, self.HEIGHT, context))
|
|
)
|
|
else:
|
|
arguments.append("-tr")
|
|
arguments.append(self.parameterAsDouble(parameters, self.WIDTH, context))
|
|
arguments.append(self.parameterAsDouble(parameters, self.HEIGHT, context))
|
|
|
|
if self.INIT in parameters and parameters[self.INIT] is not None:
|
|
initValue = self.parameterAsDouble(parameters, self.INIT, context)
|
|
arguments.append("-init")
|
|
arguments.append(initValue)
|
|
|
|
if self.parameterAsBoolean(parameters, self.INVERT, context):
|
|
arguments.append("-i")
|
|
|
|
if self.parameterAsBoolean(parameters, self.ALL_TOUCH, context):
|
|
arguments.append("-at")
|
|
|
|
if self.NODATA in parameters and parameters[self.NODATA] is not None:
|
|
nodata = self.parameterAsDouble(parameters, self.NODATA, context)
|
|
arguments.append("-a_nodata")
|
|
arguments.append(nodata)
|
|
|
|
extent = self.parameterAsExtent(
|
|
parameters, self.EXTENT, context, source.sourceCrs()
|
|
)
|
|
if not extent.isNull():
|
|
arguments.append("-te")
|
|
arguments.append(extent.xMinimum())
|
|
arguments.append(extent.yMinimum())
|
|
arguments.append(extent.xMaximum())
|
|
arguments.append(extent.yMaximum())
|
|
|
|
data_type = self.parameterAsEnum(parameters, self.DATA_TYPE, context)
|
|
if self.TYPES[data_type] == "Int8" and GdalUtils.version() < 3070000:
|
|
raise QgsProcessingException(
|
|
self.tr("Int8 data type requires GDAL version 3.7 or later")
|
|
)
|
|
|
|
arguments.append("-ot " + self.TYPES[data_type])
|
|
|
|
out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
|
|
self.setOutputValue(self.OUTPUT, out)
|
|
|
|
output_format = QgsRasterFileWriter.driverForExtension(os.path.splitext(out)[1])
|
|
if not output_format:
|
|
raise QgsProcessingException(self.tr("Output format is invalid"))
|
|
|
|
arguments.append("-of")
|
|
arguments.append(output_format)
|
|
|
|
if input_details.open_options:
|
|
if GdalUtils.version() < 3070000:
|
|
raise QgsProcessingException(
|
|
self.tr(
|
|
"Open options are not supported by gdal_rasterize version {} (requires GDAL version 3.7 or later)".format(
|
|
GdalUtils.readableVersion()
|
|
)
|
|
)
|
|
)
|
|
|
|
arguments.extend(input_details.open_options_as_arguments())
|
|
|
|
if input_details.credential_options:
|
|
arguments.extend(input_details.credential_options_as_arguments())
|
|
|
|
options = self.parameterAsString(parameters, self.OPTIONS, context)
|
|
if options:
|
|
arguments.extend(GdalUtils.parseCreationOptions(options))
|
|
|
|
if self.EXTRA in parameters and parameters[self.EXTRA] not in (None, ""):
|
|
extra = self.parameterAsString(parameters, self.EXTRA, context)
|
|
arguments.append(extra)
|
|
|
|
arguments.append(input_details.connection_string)
|
|
arguments.append(out)
|
|
|
|
return [self.commandName(), GdalUtils.escapeAndJoin(arguments)]
|