QGIS/python/plugins/processing/algs/lidar/lastools/las2iso.py

# -*- coding: utf-8 -*-

"""
***************************************************************************
    las2iso.py
    ---------------------
    Date                 : August 2012
    Copyright            : (C) 2012 by Victor Olaya
    Email                : volayaf at gmail dot com
    ---------------------
    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__ = 'Victor Olaya'
__date__ = 'August 2012'
__copyright__ = '(C) 2012, Victor Olaya'
# 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 ParameterNumber

class las2iso(LAStoolsAlgorithm):

    SMOOTH = "SMOOTH"
    ISO_EVERY = "ISO_EVERY"
    SIMPLIFY_LENGTH = "SIMPLIFY_LENGTH"
    SIMPLIFY_AREA = "SIMPLIFY_AREA"
    CLEAN = "CLEAN"

    def defineCharacteristics(self):
        self.name = "las2iso"
        self.group = "LAStools"
        self.addParametersVerboseGUI()
        self.addParametersPointInputGUI()
        self.addParameter(ParameterNumber(las2iso.SMOOTH, "smooth underlying TIN", 0, None, 0))
        self.addParameter(ParameterNumber(las2iso.ISO_EVERY, "extract isoline with a spacing of", 0, None, 10.0))
        self.addParameter(ParameterNumber(las2iso.CLEAN, "clean isolines shorter than (0 = do not clean)", None, None, 0.0))
        self.addParameter(ParameterNumber(las2iso.SIMPLIFY_LENGTH, "simplify segments shorter than (0 = do not simplify)", None, None, 0.0))
        self.addParameter(ParameterNumber(las2iso.SIMPLIFY_AREA, "simplify segments pairs with area less than (0 = do not simplify)", None, None, 0.0))
        self.addParametersVectorOutputGUI()
        self.addParametersAdditionalGUI()

    def processAlgorithm(self, progress):
        commands = [os.path.join(LAStoolsUtils.LAStoolsPath(), "bin", "las2iso")]
        self.addParametersVerboseCommands(commands)
        self.addParametersPointInputCommands(commands)
        smooth = self.getParameterValue(las2iso.SMOOTH)
        if smooth != 0:
            commands.append("-smooth")
            commands.append(str(smooth))
        commands.append("-iso_every")
        commands.append(str(self.getParameterValue(las2iso.ISO_EVERY)))
        simplify_length = self.getParameterValue(las2iso.SIMPLIFY_LENGTH)
        if simplify_length != 0:
            commands.append("-simplify_length")
            commands.append(str(simplify_length))
        simplify_area = self.getParameterValue(las2iso.SIMPLIFY_AREA)
        if simplify_area != 0:
            commands.append("-simplify_area")
            commands.append(str(simplify_area))
        clean = self.getParameterValue(las2iso.CLEAN)
        if clean != 0:
            commands.append("-clean")
            commands.append(str(clean))
        self.addParametersVectorOutputCommands(commands)
        self.addParametersAdditionalCommands(commands)

        LAStoolsUtils.runLAStools(commands, progress)