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lasthinPro.py
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lasthinPro.py
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# -*- coding: utf-8 -*-
"""
***************************************************************************
lasthinPro.py
---------------------
Date : October 2014 and May 2016
Copyright : (C) 2014 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__ = 'October 2014'
__copyright__ = '(C) 2014, 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 lasthinPro(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('lasthinPro')
self.group, self.i18n_group = self.trAlgorithm('LAStools Production')
self.addParametersPointInputFolderGUI()
self.addParametersIgnoreClass1GUI()
self.addParametersIgnoreClass2GUI()
self.addParameter(ParameterNumber(lasthinPro.THIN_STEP,
self.tr("size of grid used for thinning"), 0, None, 1.0))
self.addParameter(ParameterSelection(lasthinPro.OPERATION,
self.tr("keep particular point per cell"), lasthinPro.OPERATIONS, 0))
self.addParameter(ParameterNumber(lasthinPro.THRESHOLD_OR_INTERVAL,
self.tr("vertical threshold or contour intervals (only for 'adaptive' or 'contours' thinning)"), 0, None, 0.1))
self.addParameter(ParameterBoolean(lasthinPro.WITHHELD,
self.tr("mark thinned-away points as withheld"), False))
self.addParameter(ParameterBoolean(lasthinPro.CLASSIFY_AS,
self.tr("classify surviving points as class"), False))
self.addParameter(ParameterNumber(lasthinPro.CLASSIFY_AS_CLASS,
self.tr("class"), 0, None, 8))
self.addParametersOutputDirectoryGUI()
self.addParametersOutputAppendixGUI()
self.addParametersPointOutputFormatGUI()
self.addParametersAdditionalGUI()
self.addParametersCoresGUI()
self.addParametersVerboseGUI()
def processAlgorithm(self, progress):
commands = [os.path.join(LAStoolsUtils.LAStoolsPath(), "bin", "lasthin")]
self.addParametersVerboseCommands(commands)
self.addParametersPointInputFolderCommands(commands)
self.addParametersIgnoreClass1Commands(commands)
self.addParametersIgnoreClass2Commands(commands)
step = self.getParameterValue(lasthinPro.THIN_STEP)
if step != 0.0:
commands.append("-step")
commands.append(unicode(step))
operation = self.getParameterValue(lasthinPro.OPERATION)
if (operation != 0):
commands.append("-" + self.OPERATIONS[operation])
if (operation >= 4):
commands.append(unicode(self.getParameterValue(lasthinPro.THRESHOLD_OR_INTERVAL)))
if self.getParameterValue(lasthinPro.WITHHELD):
commands.append("-withheld")
if self.getParameterValue(lasthinPro.CLASSIFY_AS):
commands.append("-classify_as")
commands.append(unicode(self.getParameterValue(lasthinPro.CLASSIFY_AS_CLASS)))
self.addParametersOutputDirectoryCommands(commands)
self.addParametersOutputAppendixCommands(commands)
self.addParametersPointOutputFormatCommands(commands)
self.addParametersAdditionalCommands(commands)
self.addParametersCoresCommands(commands)
LAStoolsUtils.runLAStools(commands, progress)