[GRASS-user] Re: r.watershed: pretty flat areas

[Annalisa Minelli]

Nice!
Many thanks Markus.

Annalisa

2010/5/13 Jarosław Jasiewicz <jarekj at amu.edu.pl>

> Markus Metz pisze:
>
>  On Wed, May 12, 2010 at 9:00 PM, Hamish <hamish_b at yahoo.com> wrote:
>>
>>
>>> before & after screenshots welcome :)
>>>
>>>
>>
>> before:
>> http://sites.google.com/site/markusmetzgiswork/accumulation_regular.png
>>
>> after:
>> http://sites.google.com/site/markusmetzgiswork/accumulation_beautified.png
>>
>> less straight flow, main flow is more centered in the lake. I can't
>> say if this is more accurate, but it looks nicer. It's not perfect,
>> see south-eastern part of the lake.
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>>
> Hi
> As a way to proper drainage network topology it looks almost perfect.
> In DEM there is no information (if lake is represented by "flat area" on
> DEM) about flow structure in the lake so that approach looks good for me, if
> real flow is unknown!
>
> Good work Markus!
>
> J.
>
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