diff --git a/python/plugins/processing/algs/grass7/description/v.lrs.segment.txt b/python/plugins/processing/algs/grass7/description/v.lrs.segment.txt new file mode 100644 index 00000000000..e4c8a480208 --- /dev/null +++ b/python/plugins/processing/algs/grass7/description/v.lrs.segment.txt @@ -0,0 +1,8 @@ +v.lrs.segment +Creates points/segments from input lines, linear reference system and positions read from stdin or a file. +Vector (v.*) +ParameterVector|input|Input vector map containing lines|1|False +ParameterTable|rstable|Name of the reference system table|False +ParameterString|in_file|Inline rules for segment|None|True|True +ParameterFile|file|Name of file containing segment rules|False|True +OutputVector|output|Segments diff --git a/python/plugins/processing/algs/grass7/ext/v_lrs_segment.py b/python/plugins/processing/algs/grass7/ext/v_lrs_segment.py new file mode 100644 index 00000000000..5898212b27f --- /dev/null +++ b/python/plugins/processing/algs/grass7/ext/v_lrs_segment.py @@ -0,0 +1,72 @@ +# -*- coding: utf-8 -*- + +""" +*************************************************************************** + v_lrs_segment.py + ---------------- + Date : March 2016 + Copyright : (C) 2016 by Médéric Ribreux + Email : medspx at medspx dot fr +*************************************************************************** +* * +* 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__ = 'Médéric Ribreux' +__date__ = 'March 2016' +__copyright__ = '(C) 2016, Médéric Ribreux' + +# This will get replaced with a git SHA1 when you do a git archive + +__revision__ = '$Format:%H$' + + +def checkParameterValuesBeforeExecuting(alg): + """ Verify if we have the right parameters """ + if alg.getParameterValue('in_file') and alg.getParameterValue(u'file'): + return alg.tr("You need to set either a segment rules file or write directly the rules!") + + return None + + +def processInputs(alg): + # We need to import the rstable + rstable = alg.getParameterValue('rstable') + if rstable in alg.exportedLayers.keys(): + return + alg.exportedLayers[rstable] = alg.getTempFilename() + command = 'db.in.ogr input=\"{}\" output={} --overwrite'.format( + rstable, + alg.exportedLayers[rstable] + ) + alg.commands.append(command) + alg.processInputs() + + +def processCommand(alg): + in_file = alg.getParameterValue('in_file') + if in_file: + # Creates a temporary txt file + ruleFile = alg.getTempFilename() + + # Inject rules into temporary txt file + with open(ruleFile, "w") as tempRules: + tempRules.write(in_file) + else: + ruleFile = alg.getParameterValue('file') + + output = alg.getOutputFromName(u'output') + alg.exportedLayers[output.value] = output.name + alg.uniqueSufix + + command = 'v.lrs.segment input={} file={} rstable={} output={} --overwrite'.format( + alg.exportedLayers[alg.getParameterValue('input')], + ruleFile, + alg.exportedLayers[alg.getParameterValue('rstable')], + alg.exportedLayers[output.value] + ) + alg.commands.append(command)