[GRASS-user] Openness Calculation

[Thomas Adams]

Nevermind, I see it now in Helmut's email

On Wednesday, November 6, 2013, Thomas Adams wrote:

> Rebecca,
>
> The module I was thinking of is r.param.scale; where are you finding r.geomorphons?
> I can't find it.
>
> Tom
>
>
> On Tuesday, November 5, 2013, Rebecca Bennett wrote:
>
>> Thank you everyone for your suggestions and links to further papers (and
>> apologies for the multiple original posts - I think my computer must have
>> been having a moment)
>>
>> r.geomorphons looks like just the ticket - time to experiment!
>>
>> Best wishes,
>> Rebecca
>>
>>
>>
>>   On Monday, 4 November 2013, 21:01, Helmut Kudrnovsky <hellik at web.de>
>> wrote:
>>  Rebecca Bennett wrote
>> > Dear GRASS users,
>> >
>> > I have recently been made aware of the positive and negative openness
>> > vizualisations (Yokoyama et al 2002
>> >
>> http://www.asprs.org/a/publications/pers/2002journal/march/2002_mar_257-265.pdf
>> )
>> > and would like to try to compute them in GRASS to help identify micro
>> > relief.
>> >
>> > Though I suspect that this has already been done, I can't find a heads
>> up
>> > other than this paper (which claims to have creates the web service
>> based
>> > on GRASS here
>> > http://geobrain.laits.gmu.edu/grassweb/manuals/raster/openness.html)
>> >
>> http://www.lpi.usra.edu/science/stepinskiWebPage/pdfFiles/geoinformaticsConf2009.pdf
>> >
>> > Just a note that although similar in it's aim of highlighting
>> > microtopography, this is not quite the same as the r.horizon calculation
>> > (image attached for clarification).
>> >
>> > All the best,
>> > Rebecca
>> > _______________________________________________
>> > grass-user mailing list
>>
>> > grass-user at .osgeo
>>
>> > http://lists.osgeo.org/mailman/listinfo/grass-user
>> >
>> > Openness.png (109K)
>> > <
>> http://osgeo-org.1560.x6.nabble.com/attachment/5087322/0/Openness.png%3E
>>
>> at http://sil.uc.edu/downloads.htmlsee
>>
>> T.F. Stepinski, and J. Jasiewicz (2011) Geomorphons - A New Approach to
>> Classification of Landforms, in: T. Hengl, I. S. Evans, J. P. Wilson, M.
>> Gould (Eds.), Geomorphometry 2011, pp. 109-112. paper. Watch a video of an
>> actual presentation of this paper at the Geomorphometry 2011 conference.
>>
>> there is a nice video that shows their work is based upon Yokoyama et al
>>
>> 2002.
>>
>>
>>
>>
>> -----
>> best regards
>> Helmut
>> --
>> View this message in context:
>> http://osgeo-org.1560.x6.nabble.com/Openness-Calculation-tp5087322p5087347.html
>> Sent from the Grass - Users mailing list archive at Nabble.com.
>> _______________________________________________
>> grass-user mailing list
>> grass-user at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>
>>
>
> --
> Thomas E Adams, III
> 718 McBurney Drive
> Lebanon, OH 45036
>
> 1 (513) 739-9512 (cell)
>
>
>

-- 
Thomas E Adams, III
718 McBurney Drive
Lebanon, OH 45036

1 (513) 739-9512 (cell)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/grass-user/attachments/20131106/53333364/attachment.html>