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.roua...@mines-paris.org <mailto:even.roua...@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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