-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Hamish,
thanks a lot - that sounds reasonably easy - might be another happy GRASS (ex-ESRI) user? Cheers, Rainer On 30/07/10 10:40, Hamish wrote: > Rainer wrote: >> a friend of mine wants (needs?) to determine the angle >> between segments in an ESRI polyline (line vector feature). >> As there does not seem to be an easy way in ArcGIS 9.2, I >> thought about askeng here: >> >> Is there way of calculating these angles between the >> different line segments in grass? > > first split the poly line up into individual segments with > v.split vertices=1 > > then upload the slope of each line into the attribute table with > v.to.db option=azimuth > > finally compare the angle between each connecting segments. > > > Hamish > > > > - -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Natural Sciences Building Office Suite 2039 Stellenbosch University Main Campus, Merriman Avenue Stellenbosch South Africa Tel: +33 - (0)9 53 10 27 44 Cell: +27 - (0)8 39 47 90 42 Fax (SA): +27 - (0)8 65 16 27 82 Fax (D) : +49 - (0)3 21 21 25 22 44 Fax (FR): +33 - (0)9 58 10 27 44 email: [email protected] Skype: RMkrug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxSkKYACgkQoYgNqgF2egoeCgCcCiC13P2N1qf5D9UyH76q9Au1 Wa0AmQGpZRL0U3yysGYeIW5Vt05zyddn =kfpQ -----END PGP SIGNATURE----- _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
