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

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

"""
***************************************************************************
    lasclip.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.                                   *
*                                                                         *
***************************************************************************
"""
from future import standard_library
standard_library.install_aliases()
from builtins import str

__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 ParameterVector
from processing.core.parameters import ParameterBoolean
from processing.core.parameters import ParameterNumber
from processing.core.parameters import ParameterSelection

from processing.tools import dataobjects


class lasclip(LAStoolsAlgorithm):

    POLYGON = "POLYGON"
    INTERIOR = "INTERIOR"
    OPERATION = "OPERATION"
    OPERATIONS = ["clip", "classify"]
    CLASSIFY_AS = "CLASSIFY_AS"

    def defineCharacteristics(self):
        self.name, self.i18n_name = self.trAlgorithm('lasclip')
        self.group, self.i18n_group = self.trAlgorithm('LAStools')
        self.addParametersVerboseGUI()
        self.addParametersPointInputGUI()
        self.addParameter(ParameterVector(lasclip.POLYGON,
                                          self.tr("Input polygon(s)"), [dataobjects.TYPE_VECTOR_POLYGON]))
        self.addParameter(ParameterBoolean(lasclip.INTERIOR,
                                           self.tr("interior"), False))
        self.addParameter(ParameterSelection(lasclip.OPERATION,
                                             self.tr("what to do with points"), lasclip.OPERATIONS, 0))
        self.addParameter(ParameterNumber(lasclip.CLASSIFY_AS,
                                          self.tr("classify as"), 0, None, 12))
        self.addParametersPointOutputGUI()
        self.addParametersAdditionalGUI()

    def processAlgorithm(self, progress):
        commands = [os.path.join(LAStoolsUtils.LAStoolsPath(), "bin", "lasclip")]
        self.addParametersVerboseCommands(commands)
        self.addParametersPointInputCommands(commands)
        poly = self.getParameterValue(lasclip.POLYGON)
        if poly is not None:
            commands.append("-poly")
            commands.append(poly)
        if self.getParameterValue(lasclip.INTERIOR):
            commands.append("-interior")
        operation = self.getParameterValue(lasclip.OPERATION)
        if operation != 0:
            commands.append("-classify")
            classify_as = self.getParameterValue(lasclip.CLASSIFY_AS)
            commands.append(str(classify_as))
        self.addParametersPointOutputCommands(commands)
        self.addParametersAdditionalCommands(commands)

        LAStoolsUtils.runLAStools(commands, progress)