[GRASS-dev] r.terraflow not GPL

[Dylan Beaudette]

Thanks for keeping track of this useful but sometimes troublesome
module. I am very interested in the potential for modern watershed
analysis via a 3-rd party package like terrastream.

Thanks!

Dylan

On 10/19/07, Helena Mitasova <hmitaso at unity.ncsu.edu> wrote:
> I will try to contact Laura and see whether she has any plans for
> maintaining it and
> changing the license. If not, I suggest to remove it, although we
> will lose
> the multiple flow direction flow routing (maybe it could be added to
> r.watershed?)
> and the capability to process larger DEMs (not possible with
> r.watershed).
>
> There is a new system available called terrastream with many new
> additional
> options and Pfaffstetter-code based watershed hierarchy output, which
> is better and
> faster and can be run as GRASS module, but users will have to
> download and compile
> it by themselves - link can be provided on wiki add-on list.
> The code is huge, C++ and would be hard to maintain within GRASS.
>
> so give me few days to see whether I can get in touch with Laura and
> we can then
> do what will be most appropriate,
>
> Helena
>
> Helena Mitasova
> Dept. of Marine, Earth and Atm. Sciences
> 1125 Jordan Hall, NCSU Box 8208,
> Raleigh NC 27695
> http://skagit.meas.ncsu.edu/~helena/
>
>
>
> On Oct 19, 2007, at 6:47 PM, Glynn Clements wrote:
>
> >
> > I must have missed this thread at the time:
> >
> > http://grass.itc.it/pipermail/grass-dev/2006-April/022612.html
> >
> > I've just noticed that r.terraflow has its own licence which isn't
> > compatible with the GPL (advertising clause), so we shouldn't be
> > providing binaries.
> >
> > Ideally, we should have an --enable-nongpl switch so that people don't
> > trip over this accidentally. Or, better still, just remove all non-GPL
> > code.
> >
> > --
> > Glynn Clements <glynn at gclements.plus.com>
> >
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