mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-07 00:02:15 -05:00
91 lines
4.3 KiB
Python
91 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
***************************************************************************
|
|
lasthin.py
|
|
---------------------
|
|
Date : September 2013 and May 2016
|
|
Copyright : (C) 2013 by Martin Isenburg
|
|
Email : martin near rapidlasso point 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__ = 'Martin Isenburg'
|
|
__date__ = 'September 2013'
|
|
__copyright__ = '(C) 2013, Martin Isenburg'
|
|
# This will get replaced with a git SHA1 when you do a git archive
|
|
__revision__ = '$Format:%H$'
|
|
|
|
import os
|
|
from .LAStoolsUtils import LAStoolsUtils
|
|
from .LAStoolsAlgorithm import LAStoolsAlgorithm
|
|
|
|
from processing.core.parameters import ParameterBoolean
|
|
from processing.core.parameters import ParameterNumber
|
|
from processing.core.parameters import ParameterSelection
|
|
|
|
|
|
class lasthin(LAStoolsAlgorithm):
|
|
|
|
THIN_STEP = "THIN_STEP"
|
|
OPERATION = "OPERATION"
|
|
OPERATIONS = ["lowest", "random", "highest", "central", "adaptive", "contours"]
|
|
THRESHOLD_OR_INTERVAL = "THRESHOLD_OR_INTERVAL"
|
|
WITHHELD = "WITHHELD"
|
|
CLASSIFY_AS = "CLASSIFY_AS"
|
|
CLASSIFY_AS_CLASS = "CLASSIFY_AS_CLASS"
|
|
|
|
def defineCharacteristics(self):
|
|
self.name, self.i18n_name = self.trAlgorithm('lasthin')
|
|
self.group, self.i18n_group = self.trAlgorithm('LAStools')
|
|
self.addParametersVerboseGUI()
|
|
self.addParametersPointInputGUI()
|
|
self.addParametersIgnoreClass1GUI()
|
|
self.addParametersIgnoreClass2GUI()
|
|
self.addParameter(ParameterNumber(lasthin.THIN_STEP,
|
|
self.tr("size of grid used for thinning"), 0, None, 1.0))
|
|
self.addParameter(ParameterSelection(lasthin.OPERATION,
|
|
self.tr("keep particular point per cell"), lasthin.OPERATIONS, 0))
|
|
self.addParameter(ParameterNumber(lasthin.THRESHOLD_OR_INTERVAL,
|
|
self.tr("vertical threshold or contour intervals (only for 'adaptive' or 'contours' thinning)"), 0, None, 0.1))
|
|
self.addParameter(ParameterBoolean(lasthin.WITHHELD,
|
|
self.tr("mark thinned-away points as withheld"), False))
|
|
self.addParameter(ParameterBoolean(lasthin.CLASSIFY_AS,
|
|
self.tr("classify surviving points as class"), False))
|
|
self.addParameter(ParameterNumber(lasthin.CLASSIFY_AS_CLASS,
|
|
self.tr("class"), 0, None, 8))
|
|
self.addParametersPointOutputGUI()
|
|
self.addParametersAdditionalGUI()
|
|
|
|
def processAlgorithm(self, progress):
|
|
commands = [os.path.join(LAStoolsUtils.LAStoolsPath(), "bin", "lasthin")]
|
|
self.addParametersVerboseCommands(commands)
|
|
self.addParametersPointInputCommands(commands)
|
|
self.addParametersIgnoreClass1Commands(commands)
|
|
self.addParametersIgnoreClass2Commands(commands)
|
|
step = self.getParameterValue(lasthin.THIN_STEP)
|
|
if step != 0.0:
|
|
commands.append("-step")
|
|
commands.append(unicode(step))
|
|
operation = self.getParameterValue(lasthin.OPERATION)
|
|
if operation != 0:
|
|
commands.append("-" + self.OPERATIONS[operation])
|
|
if (operation >= 4):
|
|
commands.append(unicode(self.getParameterValue(lasthin.THRESHOLD_OR_INTERVAL)))
|
|
if self.getParameterValue(lasthin.WITHHELD):
|
|
commands.append("-withheld")
|
|
if self.getParameterValue(lasthin.CLASSIFY_AS):
|
|
commands.append("-classify_as")
|
|
commands.append(unicode(self.getParameterValue(lasthin.CLASSIFY_AS_CLASS)))
|
|
self.addParametersPointOutputCommands(commands)
|
|
self.addParametersAdditionalCommands(commands)
|
|
|
|
LAStoolsUtils.runLAStools(commands, progress)
|