[GRASS-dev] d.legend: -2147483648 -> null?

[Glynn Clements]

Markus Neteler wrote:

> using d.rast.leg (d.legend) on a NO DATA integer map, it prints "-2147483648"
> instead of null.
> 
> Below dirty hack cures the problem - how to do it correctly?

After;

	G_get_range_min_max(&range, &min_ind, &max_ind);

add e.g.:

	if (G_is_c_null_value(&min_ind))
	    G_fatal_error(_("Input map contains no data"));

[Note that if min_ind is null, max_ind will also be null, and
vice-versa.]

-- 
Glynn Clements <glynn at gclements.plus.com>