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# -*- coding: utf-8 -*-
"""
***************************************************************************
lasoverlap.py
---------------------
Date : September 2013
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 lasoverlap(LAStoolsAlgorithm):
CHECK_STEP = "CHECK_STEP"
ATTRIBUTE = "ATTRIBUTE"
OPERATION = "OPERATION"
ATTRIBUTES = ["elevation", "intensity", "number_of_returns", "scan_angle_abs", "density"]
OPERATIONS = ["lowest", "highest", "average"]
CREATE_OVERLAP_RASTER = "CREATE_OVERLAP_RASTER"
CREATE_DIFFERENCE_RASTER = "CREATE_DIFFERENCE_RASTER"
def defineCharacteristics(self):
self.name, self.i18n_name = self.trAlgorithm('lasoverlap')
self.group, self.i18n_group = self.trAlgorithm('LAStools')
self.addParametersVerboseGUI()
self.addParametersPointInputGUI()
self.addParametersFilter1ReturnClassFlagsGUI()
self.addParameter(ParameterNumber(lasoverlap.CHECK_STEP,
self.tr("size of grid used for overlap check"), 0, None, 2.0))
self.addParameter(ParameterSelection(lasoverlap.ATTRIBUTE,
self.tr("attribute to check"), lasoverlap.ATTRIBUTES, 0))
self.addParameter(ParameterSelection(lasoverlap.OPERATION,
self.tr("operation on attribute per cell"), lasoverlap.OPERATIONS, 0))
self.addParameter(ParameterBoolean(lasoverlap.CREATE_OVERLAP_RASTER,
self.tr("create overlap raster"), True))
self.addParameter(ParameterBoolean(lasoverlap.CREATE_DIFFERENCE_RASTER,
self.tr("create difference raster"), True))
self.addParametersRasterOutputGUI()
self.addParametersAdditionalGUI()
def processAlgorithm(self, progress):
commands = [os.path.join(LAStoolsUtils.LAStoolsPath(), "bin", "lasoverlap")]
self.addParametersVerboseCommands(commands)
self.addParametersPointInputCommands(commands)
self.addParametersFilter1ReturnClassFlagsCommands(commands)
step = self.getParameterValue(lasoverlap.CHECK_STEP)
if step != 0.0:
commands.append("-step")
commands.append(unicode(step))
commands.append("-values")
attribute = self.getParameterValue(lasoverlap.ATTRIBUTE)
if attribute != 0:
commands.append("-" + lasoverlap.ATTRIBUTES[attribute])
operation = self.getParameterValue(lasoverlap.OPERATION)
if operation != 0:
commands.append("-" + lasoverlap.OPERATIONS[operation])
if not self.getParameterValue(lasoverlap.CREATE_OVERLAP_RASTER):
commands.append("-no_over")
if not self.getParameterValue(lasoverlap.CREATE_DIFFERENCE_RASTER):
commands.append("-no_diff")
self.addParametersRasterOutputCommands(commands)
self.addParametersAdditionalCommands(commands)
LAStoolsUtils.runLAStools(commands, progress)
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