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Add v.edit algorithm

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Médéric RIBREUX
Médéric RIBREUX committed Mar 12, 2016
1 parent 903a804 commit 538ad697684e0ced41689ef92e45a879fbb92a9b
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v.edit
Edits a vector map, allows adding, deleting and modifying selected vector features.
Vector (v.*)
ParameterVector|map|Name of vector layer|-1|False
ParameterSelection|tool|Tool|add;delete;copy;move;flip;merge;break;snap;connect;vertexadd;vertexdel;vertexmove;zbulk|0
ParameterString|input_txt|Inline input for add tool|None|True|True
ParameterFile|input|ASCII file for add tool|False|True
ParameterString|move|Difference in x,y,z direction for moving feature or vertex|None|False|True
ParameterString|threshold|Threshold distance (coords,snap,query)|None|False|True
ParameterString|ids|Feature ids|None|False|True
ParameterString|coords|List of point coordinates|None|False|True
ParameterString|bbox|Bounding box for selecting features|None|False|True
ParameterString|polygon|Polygon for selecting features|None|False|True
ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|True|True
ParameterString|query|Query tool (in length,dangle)|None|False|True
ParameterVector|bgmap|Name of background vector map|-1|True
ParameterString|snap|Snap added or modified features in the given threshold to the nearest existing feature (Options: no,node,vertex)|None|False|True
ParameterString|zbulk|Starting value and step for z bulk-labeling. Pair: value,step (e.g. 1100,10)|None|False|True
ParameterBoolean|-r|Reverse selection|False
ParameterBoolean|-c|Close added boundaries (using threshold distance)|False
ParameterBoolean|-n|Do not expect header of input data|False
ParameterBoolean|-t|Do not build topology|False
ParameterBoolean|-1|Modify only first found feature in bounding box|False
OutputVector|output|Edited
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# -*- coding: utf-8 -*-

"""
***************************************************************************
v_edit.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__ = '$Format:%H$'


import os


def checkParameterValuesBeforeExecuting(alg):
""" Verify if we have the right parameters """
if alg.getParameterValue('input_txt') and alg.getParameterValue(u'input'):
return alg.tr("You need to set either an input ASCII file or inline data!")

return None


def processCommand(alg):
# handle inline add data
input_txt = alg.getParameterFromName('input_txt')
inputParameter = alg.getParameterFromName('input')
if input_txt.value:
# Creates a temporary txt file
ruleFile = alg.getTempFilename()

# Inject rules into temporary txt file
with open(ruleFile, "w") as tempRules:
tempRules.write(input_txt.value)
inputParameter.value = ruleFile
alg.parameters.remove(input_txt)

# exclude output for from_output
output = alg.getOutputFromName('output')
alg.removeOutputFromName('output')

alg.processCommand()
alg.addOutput(output)
if input_txt.value:
inputParameter.value = None
alg.addParameter(input_txt)


def processOutputs(alg):
# We need to add the from layer to outputs:
out = alg.exportedLayers[alg.getParameterValue('map')]
from_out = alg.getOutputValue('output')
command = u"v.out.ogr -s -e input={} output=\"{}\" format=ESRI_Shapefile output_layer={}".format(
out, os.path.dirname(from_out),
os.path.splitext(os.path.basename(from_out))[0]
)
alg.commands.append(command)
alg.outputCommands.append(command)

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