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#!/usr/bin/env python3
############################################################################
#
# MODULE: v.centroids
# AUTHOR: Hamish Bowman
# PURPOSE: Add missing centroids (frontend to v.category opt=add)
# COPYRIGHT: (c) 2006 Hamish Bowman, and the GRASS Development Team
# This program is free software under the GNU General Public
# License (>=v2). Read the file COPYING that comes with GRASS
# for details.
#
#############################################################################
# %Module
# % description: Adds missing centroids to closed boundaries.
# % keyword: vector
# % keyword: centroid
# % keyword: area
# %End
# %option G_OPT_V_INPUT
# %end
# %option G_OPT_V_OUTPUT
# %end
# %option
# % key: option
# % type: string
# % description: Action to be taken
# % options: add
# % answer: add
# % required: no
# %end
# %option G_OPT_V_FIELD
# %end
# %option G_OPT_V_CAT
# % description: Category number starting value
# % answer: 1
# %end
# %option
# % key: step
# % type: integer
# % description: Category increment
# % answer: 1
# % required: no
# %end
import sys
import grass.script as gscript
def main():
if options["option"] == "add":
num_bound = gscript.vector_info_topo(map=options["input"])["boundaries"]
if num_bound == 0:
gscript.fatal(_("Input vector map contains no boundaries."))
gscript.run_command("v.category", type="area", **options)
sys.exit(0)
if __name__ == "__main__":
options, flags = gscript.parser()
main()
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