[GRASS-user] Fill area between isolines?

[Markus Metz]

On Fri, Mar 29, 2013 at 4:01 PM, Tim Michelsen
<timmichelsen at gmx-topmail.de> wrote:
> Hello user list,
> I have a question filling the area between isolines by the values of the
> isolines (without interpolation):
>
>
> I have a vector with isolines of which the values define certain
> properties of the area (e.g. cost factor).
>
> How can I create an area that fills the area between these lines and to
> which the same value as the last adjacent line is attached (all points
> from one line to the other have the same cost factor)?

You could try to
1. set the region, e.g. with g.region vect=name_of_isolines_vector
res=1 -a (adjust resolution to your needs)
2. convert isolines to raster
3. r.grow.distance value=name_of_filled_areas

Markus M

>
> I understand that in this case a interpolation is not required.
>
>
> It would be great to receive some helpful hints and tips on above
> outlined question.
>
> Kind regards and thanks in advance,
> Timmie
>
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