[GRASS-user] HydroFlow: Stream order soleley based on shape files/vectors

[Werner Macho]

Hi Johannes!

I tried that program like a year or more ago .. It worked well once you
know howto do it ..
It delivers it's one shapelib with it and can only do changes on shapefiles
..
So it must be probably changed to a neutral dataset provider ..

I was about to adapt it for QGIS but did not have any time until now to do
so..
Probably in the future when I have more time to learn more cpp skills ..

But as I said the program itself works well .. But is it really open
source? I am not quite sure if there weren't any issues with the license
that kept me away from porting it ..

kind regards
Werner


On Tue, Jun 18, 2013 at 1:52 PM, Johannes Radinger <
johannesradinger at gmail.com> wrote:

> Hi,
>
> I found following interesting Brasilian program called HydroFlow:
> http://www.fgel.uerj.br/labgis/hydroflow/en/downloads_ingles.html
>
> This tools calculates the Stream order (e.g. Strahler, Shreve)
> based on a shapefile input of the river network and a shapefile that
> defines
> the border (catchment?). If I am informed correctly such a tool that does
> not require any form of a DEM (or accumulation map etc.) is not existing
> for
> GRASS yet.
>
> There are just two questions that appeared to me:
>
> 1) Has anyone installed and tried the programm already in Ubuntu/Linux?
>
> 2) The tool is licensed as open source. So, could such a algorithm also be
> implemented as
> a add-on to GRASS? I am not sure but I can imagine that this might be of
> interest also to
> other GRASS users!?
>
> /johannes
>
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