[GRASS-user] New version of r.stream.order

MS mseibel at gmail.com
Mon Nov 9 11:56:22 EST 2009


This sounds great. Thanks for the contribution.

I have been wanting to use these stream analysis tools, but ran into a  
packaging problem under kubuntu, and am still trying to sort it out. I  
seem to recall it having to do with the grass-dev package in ubuntugis  
repo.

Mark

On Nov 9, 2009, at 9:47 AM, Jarosław Jasiewicz <jarekj at amu.edu.pl>  
wrote:

> Hi all!
>
> I updated r.stream order to the new version.
> In new version Horton and Hack do not require accum map. It use the  
> longest stream length (calculated internally) to determine both Hack  
> and Horton. But accum it is still leave as an option. So now Hack  
> stream order indicate the longest (previously most accumulated)  
> stream in the catchment. Due to the module do not require to read  
> huge accum maps for horton and hack orders it works almost twice  
> faster than previously.
>
> I also added r.stream.del (see more in description) but its  
> functionality  is now integrated with r.stream.extract so I add it  
> only as an option for r.watershed. It will be probably depreciated   
> in the future.
>
> regards
> Jarek Jasiewicz
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