[GRASS-user] half-basin map using r.terraflow ?

[Hamish]

Ahmet Temiz wrote:
> is there any way to create half-basin map using r.terraflow (not using
> r.watershed or any others) ?

last week on the grass-dev mailing list, Helena made this comment:

Hamish wrote:
>> r.terraflow with the same area & mem=1500MB took just minutes, but  
>> only outputs sink-watershed basins, not all basins. (I may be missing
>> something here, this is all outside my field)

Helena wrote:
> r.terraflow is not designed to output basins the way r.watershed does.
> there is another code that I hope will be eventually contributed that 
> takes terraflow output and creates a map of watershed hierarchy.


r.watershed was fixed just before GRASS 6.2.0 was released and now works
reliably for large watershed regions. (much slower than r.terraflow, but
at least now it gets there)


Hamish