[GRASS-stats] counting/sorting lineament lenght according to their azimuth in R

[jarekj at amu.edu.pl]

try circStats,

http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=97

Jarek


10/7/2008, ""Carlos \"Guâno\" Grohmann"
carlos.grohmann at gmail.com"
<"=?ISO-8859-1?Q?Carlos_\"Gu=E2no\"_Grohmann?="
carlos.grohmann at gmail.com> napisał/a:

>Hello all
>
>I was laying around with R packages to do some rose plots. I've found
>some, but none gives me what I really want (maybe because they were
>made by climatologists and I am a geologist?)
>
>What I want? 2 kinds of rose plots. One where the size of the petals
>is proporcional to the frequency (number) of lineaments in a given
>direction. Some packages do this, including heR.Misc
>(http://www.exposurescience.org). So far, we're good.
>
>Now the second kind of rose plot. In this one, the size of the petal
>is proporcional to the accumulated length of the lineaments in that
>direction.
>
>The length attribute I get from GRASS, the azimuths, in R (from the
>start_x, start_y, end_x, end_y GRASS gives me)
>
>Now, how can I sort/sum the lengths based on the azimuth?
>
>TIA
>
>carlos
>
>
>
>
>--
>+-----------------------------------------------------------+
> Carlos Henrique Grohmann - Guano
> Geologist M.Sc - Doctorate Student at IGc-USP - Brazil
>Linux User #89721 - carlos dot grohmann at gmail dot com
>+-----------------------------------------------------------+
>_________________
>"Good morning, doctors. I have taken the liberty of removing Windows
>95 from my hard drive."
>--The winning entry in a "What were HAL's first words" contest judged
>by 2001: A SPACE ODYSSEY creator Arthur C. Clarke
>
>Can't stop the signal.
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