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t.vect.univar.py
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t.vect.univar.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
############################################################################
#
# MODULE: t.vect.univar
# AUTHOR(S): Soeren Gebbert
#
# PURPOSE: Calculates univariate statistics of attributes for each registered vector map of a space time vector dataset
# COPYRIGHT: (C) 2011-2014 by the GRASS Development Team
#
# This program is free software under the GNU General Public
# License (version 2). Read the file COPYING that comes with GRASS
# for details.
#
#############################################################################
#%module
#% description: Calculates univariate statistics of attributes for each registered vector map of a space time vector dataset
#% keyword: temporal
#% keyword: statistics
#% keyword: vector
#% keyword: time
#%end
#%option G_OPT_STVDS_INPUT
#%end
#%option G_OPT_F_OUTPUT
#% required: no
#%end
#%option G_OPT_V_FIELD
#%end
#%option G_OPT_DB_COLUMN
#% required: yes
#%end
#%option G_OPT_T_WHERE
#% guisection: Selection
#% key: twhere
#%end
#%option G_OPT_DB_WHERE
#% guisection: Selection
#%end
#%option G_OPT_V_TYPE
#% options: point,line,boundary,centroid,area
#% multiple: no
#% answer: point
#%end
#%option G_OPT_F_SEP
#% label: Field separator character between the output columns
#% guisection: Formatting
#%end
#%flag
#% key: e
#% description: Calculate extended statistics
#%end
#%flag
#% key: u
#% description: Suppress printing of column names
#% guisection: Formatting
#%end
import grass.script as grass
############################################################################
def main():
#lazy imports
import grass.temporal as tgis
# Get the options
input = options["input"]
output = options["output"]
twhere = options["twhere"]
layer = options["layer"]
type = options["type"]
column = options["column"]
where = options["where"]
extended = flags["e"]
header = flags["u"]
separator = grass.separator(options["separator"])
# Make sure the temporal database exists
tgis.init()
if not output:
output = None
if output == "-":
output = None
tgis.print_vector_dataset_univar_statistics(
input, output, twhere, layer, type, column, where, extended, header, separator)
if __name__ == "__main__":
options, flags = grass.parser()
main()