[GRASS-user] g.parser options - values?

[Markus Neteler]

On Mon, Apr 4, 2011 at 5:42 PM, Johannes Radinger <JRadinger at gmx.at> wrote:
> Hej,
>
> I know how to use g.parser in a python script for
> getting vector and raster maps like:
>
> #%option
> #% key: reliefmap
> #% type: string
> #% gisprompt: old,cell,raster
> #% description: Name of shaded relief or aspect map
> #% required : yes
> #%end
>
> but how can I use a value instead of a map, for example
> a value that is parsed for the resolution-setting of
> g.region?

Check for example r.neighbors, r.plane or even the g.region code.

An example from r.plane:

#%option
#% key: dip
#% type: double
#% gisprompt: -90-90
#% answer: 0.0
#% description: Dip of plane. Value must be between -90 and 90 degrees
#% required : yes
#%end


> Is there any good description of the settings of g.parser, e.g
> what can be a type, what is exactly gispromt etc.?

A starter is here:
http://grass.osgeo.org/wiki/Module_command_line_parser

Please add more to this Wiki page.

Markus