Yes, to your second problem try to use combination on table() and cut() function, unfortunatly I cannot send you sample of my code where I use to the same problem because I'm far from my computer.. ( btw: it is far from your question but for that problem I rather used readVECT6() and than lm() on imported vector structure instead start and end x y from grass. It gives better results on irregular or curved lineament.. the sample code is somewhere on the list... Jarek
10/7/2008, ""Carlos \"Guâno\" Grohmann" [EMAIL PROTECTED]" <"=?ISO-8859-1?Q?Carlos_\"Gu=E2no\"_Grohmann?=" [EMAIL PROTECTED]> napisał/a: >Thanks Jarek, but CircStats only gives me my first need (petals = >frequency of lineaments). the length of the petals can be adjusted by >a _constant_ value, not ny the accumulated length. > >tks > >Carlos > > > > >2008/7/10 <[EMAIL PROTECTED]>: >> >> try circStats, >> >> http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=97 >> >> Jarek >> >> >> 10/7/2008, ""Carlos \"Guâno\" Grohmann" >> [EMAIL PROTECTED]" >> <"=?ISO-8859-1?Q?Carlos_\"Gu=E2no\"_Grohmann?=" >> [EMAIL PROTECTED]> 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. >>>_______________________________________________ >>>grass-stats mailing list >>>grass-stats@lists.osgeo.org >>>http://lists.osgeo.org/mailman/listinfo/grass-stats >> _______________________________________________ >> grass-stats mailing list >> grass-stats@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/grass-stats >> > > > >-- >+-----------------------------------------------------------+ > 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. > _______________________________________________ grass-stats mailing list grass-stats@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-stats