Re: [GRASS-user] calculating maximum and minimum diameters with, GRASS or R and GRASS?

2010-02-15 Thread Richard Chirgwin
>Message: 5 >Date: Sun, 14 Feb 2010 03:38:19 -0800 (PST) >From: Gazz1982 >Subject: [GRASS-user] calculating maximum and minimum diameters with > GRASS or R and GRASS? >To: grass-user@lists.osgeo.org >Message-ID: <1266147499876-4569832.p...@n2.nabble.com> >Conten

[GRASS-user] calculating maximum and minimum diameters with GRASS or R and GRASS?

2010-02-14 Thread Gazz1982
Hi, I have 900 polygons and I need to calculate their maximum and minimum diameters I have GRASS and R and MySQL on Ubuntu, although my R skills are still developing. I really do not want to measure each one by hand as I do not have the time! I have managed easily to calculate perimeter and area,