#!/usr/bin/env python3

"""
***************************************************************************
    qgis.v.kernel.rast.py
    ---------------------
    Date                 : February 2010
    Copyright            : (C) 2010 by Radim Blazek
    Email                : radim dot blazek at gmail dot com
***************************************************************************
*                                                                         *
*   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__ = "Radim Blazek"
__date__ = "February 2010"
__copyright__ = "(C) 2010, Radim Blazek"


############################################################################
#
# MODULE:       qgis.v.kernel.rast.py
# PURPOSE:      Export a vector to PostGIS (PostgreSQL) database table
#
#############################################################################

# %Module
# % description: Generates a raster density map from vector points data using a moving 2D isotropic Gaussian kernel.
# % keywords: vector, export, database
# %End

# %option
# % key: input
# % type: string
# % gisprompt: old,vector,vector
# % key_desc : name
# % description: Input vector with training points
# % required : yes
# %end

# %option
# % key: stddeviation
# % type: double
# % description: Standard deviation in map units
# % required : yes
# %end

# %option
# % key: output
# % type: string
# % gisprompt: new,cell,raster
# % key_desc : name
# % description: Output raster map
# % required : yes
# %end

try:
    from grass.script import core as grass
except ImportError:
    import grass
except:
    raise Exception(
        "Cannot find 'grass' Python module. Python is supported by GRASS from version >= 6.4"
    )


def main():
    input = options["input"]
    output = options["output"]
    stddeviation = options["stddeviation"]

    if (
        grass.run_command(
            "v.kernel", input=input, stddeviation=stddeviation, output=output
        )
        != 0
    ):
        grass.fatal("Cannot run v.kernel.")


if __name__ == "__main__":
    options, flags = grass.parser()
    main()
