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| 1 | +# -*- coding: utf-8 -*- |
| 2 | + |
| 3 | +""" |
| 4 | +*************************************************************************** |
| 5 | + v_lrs_segment.py |
| 6 | + ---------------- |
| 7 | + Date : March 2016 |
| 8 | + Copyright : (C) 2016 by Médéric Ribreux |
| 9 | + Email : medspx at medspx dot fr |
| 10 | +*************************************************************************** |
| 11 | +* * |
| 12 | +* This program is free software; you can redistribute it and/or modify * |
| 13 | +* it under the terms of the GNU General Public License as published by * |
| 14 | +* the Free Software Foundation; either version 2 of the License, or * |
| 15 | +* (at your option) any later version. * |
| 16 | +* * |
| 17 | +*************************************************************************** |
| 18 | +""" |
| 19 | + |
| 20 | +__author__ = 'Médéric Ribreux' |
| 21 | +__date__ = 'March 2016' |
| 22 | +__copyright__ = '(C) 2016, Médéric Ribreux' |
| 23 | + |
| 24 | +# This will get replaced with a git SHA1 when you do a git archive |
| 25 | + |
| 26 | +__revision__ = '$Format:%H$' |
| 27 | + |
| 28 | + |
| 29 | +def checkParameterValuesBeforeExecuting(alg): |
| 30 | + """ Verify if we have the right parameters """ |
| 31 | + if alg.getParameterValue('in_file') and alg.getParameterValue(u'file'): |
| 32 | + return alg.tr("You need to set either a segment rules file or write directly the rules!") |
| 33 | + |
| 34 | + return None |
| 35 | + |
| 36 | + |
| 37 | +def processInputs(alg): |
| 38 | + # We need to import the rstable |
| 39 | + rstable = alg.getParameterValue('rstable') |
| 40 | + if rstable in alg.exportedLayers.keys(): |
| 41 | + return |
| 42 | + alg.exportedLayers[rstable] = alg.getTempFilename() |
| 43 | + command = 'db.in.ogr input=\"{}\" output={} --overwrite'.format( |
| 44 | + rstable, |
| 45 | + alg.exportedLayers[rstable] |
| 46 | + ) |
| 47 | + alg.commands.append(command) |
| 48 | + alg.processInputs() |
| 49 | + |
| 50 | + |
| 51 | +def processCommand(alg): |
| 52 | + in_file = alg.getParameterValue('in_file') |
| 53 | + if in_file: |
| 54 | + # Creates a temporary txt file |
| 55 | + ruleFile = alg.getTempFilename() |
| 56 | + |
| 57 | + # Inject rules into temporary txt file |
| 58 | + with open(ruleFile, "w") as tempRules: |
| 59 | + tempRules.write(in_file) |
| 60 | + else: |
| 61 | + ruleFile = alg.getParameterValue('file') |
| 62 | + |
| 63 | + output = alg.getOutputFromName(u'output') |
| 64 | + alg.exportedLayers[output.value] = output.name + alg.uniqueSufix |
| 65 | + |
| 66 | + command = 'v.lrs.segment input={} file={} rstable={} output={} --overwrite'.format( |
| 67 | + alg.exportedLayers[alg.getParameterValue('input')], |
| 68 | + ruleFile, |
| 69 | + alg.exportedLayers[alg.getParameterValue('rstable')], |
| 70 | + alg.exportedLayers[output.value] |
| 71 | + ) |
| 72 | + alg.commands.append(command) |
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