mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-28 00:17:30 -05:00
200 lines
9.8 KiB
Python
200 lines
9.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
GridDataMetrics.py
|
|
---------------------
|
|
Date : October 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__ = 'October 2013'
|
|
__copyright__ = '(C) 2013, Alexander Bruy'
|
|
|
|
import os
|
|
|
|
from qgis.PyQt.QtGui import QIcon
|
|
|
|
from qgis.core import (QgsRasterFileWriter,
|
|
QgsProcessing,
|
|
QgsProcessingParameterDefinition,
|
|
QgsProcessingParameterFeatureSource,
|
|
QgsProcessingParameterEnum,
|
|
QgsProcessingParameterField,
|
|
QgsProcessingParameterNumber,
|
|
QgsProcessingParameterString,
|
|
QgsProcessingParameterRasterDestination)
|
|
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 GridDataMetrics(GdalAlgorithm):
|
|
INPUT = 'INPUT'
|
|
Z_FIELD = 'Z_FIELD'
|
|
METRIC = 'METRIC'
|
|
RADIUS_1 = 'RADIUS_1'
|
|
RADIUS_2 = 'RADIUS_2'
|
|
MIN_POINTS = 'MIN_POINTS'
|
|
ANGLE = 'ANGLE'
|
|
NODATA = 'NODATA'
|
|
OPTIONS = 'OPTIONS'
|
|
EXTRA = 'EXTRA'
|
|
DATA_TYPE = 'DATA_TYPE'
|
|
OUTPUT = 'OUTPUT'
|
|
|
|
TYPES = ['Byte', 'Int16', 'UInt16', 'UInt32', 'Int32', 'Float32', 'Float64', 'CInt16', 'CInt32', 'CFloat32', 'CFloat64']
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
|
|
def initAlgorithm(self, config=None):
|
|
self.metrics = ((self.tr('Minimum'), 'minimum'),
|
|
(self.tr('Maximum'), 'maximum'),
|
|
(self.tr('Range'), 'range'),
|
|
(self.tr('Count'), 'count'),
|
|
(self.tr('Average distance'), 'average_distance'),
|
|
(self.tr('Average distance between points'), 'average_distance_pts'))
|
|
|
|
self.addParameter(QgsProcessingParameterFeatureSource(self.INPUT,
|
|
self.tr('Point layer'),
|
|
[QgsProcessing.TypeVectorPoint]))
|
|
|
|
z_field_param = QgsProcessingParameterField(self.Z_FIELD,
|
|
self.tr('Z value from field'),
|
|
None,
|
|
self.INPUT,
|
|
QgsProcessingParameterField.Numeric,
|
|
optional=True)
|
|
z_field_param.setFlags(z_field_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(z_field_param)
|
|
|
|
self.addParameter(QgsProcessingParameterEnum(self.METRIC,
|
|
self.tr('Data metric to use'),
|
|
options=[i[0] for i in self.metrics],
|
|
allowMultiple=False,
|
|
defaultValue=0))
|
|
self.addParameter(QgsProcessingParameterNumber(self.RADIUS_1,
|
|
self.tr('The first radius of search ellipse'),
|
|
type=QgsProcessingParameterNumber.Double,
|
|
minValue=0.0,
|
|
defaultValue=0.0))
|
|
self.addParameter(QgsProcessingParameterNumber(self.RADIUS_2,
|
|
self.tr('The second radius of search ellipse'),
|
|
type=QgsProcessingParameterNumber.Double,
|
|
minValue=0.0,
|
|
defaultValue=0.0))
|
|
self.addParameter(QgsProcessingParameterNumber(self.ANGLE,
|
|
self.tr('Angle of search ellipse rotation in degrees (counter clockwise)'),
|
|
type=QgsProcessingParameterNumber.Double,
|
|
minValue=0.0,
|
|
maxValue=360.0,
|
|
defaultValue=0.0))
|
|
self.addParameter(QgsProcessingParameterNumber(self.MIN_POINTS,
|
|
self.tr('Minimum number of data points to use'),
|
|
type=QgsProcessingParameterNumber.Integer,
|
|
minValue=0,
|
|
defaultValue=0))
|
|
self.addParameter(QgsProcessingParameterNumber(self.NODATA,
|
|
self.tr('NODATA marker to fill empty points'),
|
|
type=QgsProcessingParameterNumber.Double,
|
|
defaultValue=0.0))
|
|
|
|
options_param = QgsProcessingParameterString(self.OPTIONS,
|
|
self.tr('Additional creation options'),
|
|
defaultValue='',
|
|
optional=True)
|
|
options_param.setFlags(options_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
options_param.setMetadata({
|
|
'widget_wrapper': {
|
|
'class': 'processing.algs.gdal.ui.RasterOptionsWidget.RasterOptionsWidgetWrapper'}})
|
|
self.addParameter(options_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)
|
|
|
|
dataType_param = QgsProcessingParameterEnum(self.DATA_TYPE,
|
|
self.tr('Output data type'),
|
|
self.TYPES,
|
|
allowMultiple=False,
|
|
defaultValue=5)
|
|
dataType_param.setFlags(dataType_param.flags() | QgsProcessingParameterDefinition.FlagAdvanced)
|
|
self.addParameter(dataType_param)
|
|
|
|
self.addParameter(QgsProcessingParameterRasterDestination(self.OUTPUT,
|
|
self.tr('Interpolated (data metrics)')))
|
|
|
|
def name(self):
|
|
return 'griddatametrics'
|
|
|
|
def displayName(self):
|
|
return self.tr('Grid (Data metrics)')
|
|
|
|
def icon(self):
|
|
return QIcon(os.path.join(pluginPath, 'images', 'gdaltools', 'grid.png'))
|
|
|
|
def group(self):
|
|
return self.tr('Raster analysis')
|
|
|
|
def groupId(self):
|
|
return 'rasteranalysis'
|
|
|
|
def commandName(self):
|
|
return 'gdal_grid'
|
|
|
|
def getConsoleCommands(self, parameters, context, feedback, executing=True):
|
|
ogrLayer, layerName = self.getOgrCompatibleSource(self.INPUT, parameters, context, feedback, executing)
|
|
|
|
arguments = ['-l']
|
|
arguments.append(layerName)
|
|
|
|
fieldName = self.parameterAsString(parameters, self.Z_FIELD, context)
|
|
if fieldName:
|
|
arguments.append('-zfield')
|
|
arguments.append(fieldName)
|
|
|
|
params = self.metrics[self.parameterAsEnum(parameters, self.METRIC, context)][1]
|
|
params += ':radius1={}'.format(self.parameterAsDouble(parameters, self.RADIUS_1, context))
|
|
params += ':radius2={}'.format(self.parameterAsDouble(parameters, self.RADIUS_2, context))
|
|
params += ':angle={}'.format(self.parameterAsDouble(parameters, self.ANGLE, context))
|
|
params += ':min_points={}'.format(self.parameterAsInt(parameters, self.MIN_POINTS, context))
|
|
params += ':nodata={}'.format(self.parameterAsDouble(parameters, self.NODATA, context))
|
|
|
|
arguments.append('-a')
|
|
arguments.append(params)
|
|
arguments.append('-ot')
|
|
arguments.append(self.TYPES[self.parameterAsEnum(parameters, self.DATA_TYPE, context)])
|
|
|
|
out = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)
|
|
self.setOutputValue(self.OUTPUT, out)
|
|
arguments.append('-of')
|
|
arguments.append(QgsRasterFileWriter.driverForExtension(os.path.splitext(out)[1]))
|
|
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(ogrLayer)
|
|
arguments.append(out)
|
|
|
|
return [self.commandName(), GdalUtils.escapeAndJoin(arguments)]
|