[gdal-dev] TRI, TPI, and Ruggedness

[Joaquim Luis]

Hi,

Mirone has those same block algorithms (and more, like slope by fitting 
a bilinear surface) and let change the the box size.

Joaquim

> Evan,
>
> Thanks for the info.
>
> Jay
>
> On Sat, Oct 8, 2011 at 12:29 PM, Even Rouault 
> <even.rouault at mines-paris.org <mailto:even.rouault at mines-paris.org>> 
> wrote:
>
>     Le samedi 08 octobre 2011 17:26:58, Jay L. a écrit :
>     > What is the box size on these indices (TRI, TPI, Roughness)?
>
>     3x3 window
>
>     > Is it user modifiable?
>
>     No
>
>     >
>     > Finally, in your experience, which index have you selected for a
>     specific
>     > application and why?  (Cross-posted this question to
>     gis.stackexchange.com <http://gis.stackexchange.com>)
>
>     Can't answer on that part.
>
>     >
>     > Thanks,
>     > Jay
>
>
>
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