<div dir="auto">Alternatively, as i am interesting in running a groundwater model with r3 gwflow, can create a mask with the basins i am interested in and these will represent the active domain.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat., May 4, 2019, 21:11 Francois Chartier, <<a href="mailto:fra.chartier@gmail.com">fra.chartier@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">thanks Helmut, I will try this. see screenshot of two watershed i would like to 'delineate'.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Le sam. 4 mai 2019 à 16:48, Helmut Kudrnovsky <<a href="mailto:hellik@web.de" target="_blank" rel="noreferrer">hellik@web.de</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Francois Chartier wrote<br>
> Hi,<br>
> <br>
> I am selecting the basin based on a certain size created with r.watershed.<br>
> Now i would like to create a vector of the outline (external limit) of a<br>
> watershed. It corresponds to a category. Is there a way that i can<br>
> extract<br>
> the outlined of the water shed category?<br>
<br>
have a look into v.type:<br>
<br>
<a href="https://grass.osgeo.org/grass76/manuals/v.type.html" rel="noreferrer noreferrer" target="_blank">https://grass.osgeo.org/grass76/manuals/v.type.html</a><br>
<br>
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-----<br>
best regards<br>
Helmut<br>
--<br>
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