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Add v.vect.stats algorithm

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Médéric RIBREUX
Médéric RIBREUX committed Mar 12, 2016
1 parent 2139d5f commit ae0b48d84c2f97ccc6394817dc4419db29fb1ae2
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v.vect.stats
Count points in areas and calculate statistics.
Vector (v.*)
ParameterVector|points|Name of existing vector map with points|0|False
ParameterVector|areas|Name of existing vector map with areas|2|False
ParameterSelection|method|Method for aggregate statistics|sum;average;median;mode;minimum;min_cat;maximum;max_cat;range;stddev;variance;diversity|0
ParameterTableField|points_column|Column name of points map to use for statistics|points|0|False
ParameterString|count_column|Column name to upload points count (integer, created if doesn't exists)|None|False|False
ParameterString|stats_column|Column name to upload statistics (double, created if doesn't exists)|None|False|False
OutputVector|output|Updated
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# -*- coding: utf-8 -*-

"""
***************************************************************************
v_vect_stats.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 processCommand(alg):
# exclude output for from_output
output = alg.getOutputFromName('output')
alg.removeOutputFromName('output')

alg.processCommand()
alg.addOutput(output)


def processOutputs(alg):
# We need to add the vector layer to outputs:
out = alg.exportedLayers[alg.getParameterValue('areas')]
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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