Helena: > I found some of the metrics explained in wikipedia under > Taxicab geometry
see http://article.gmane.org/gmane.comp.gis.grass.devel/2330/ with manhattan AFAIU you can go crosstown or up/downtown but not diagonally through sky-scrapers. (ignoring the mess of cobblestones below 14th st + broadway :) Eric: > > I was wondering if anyone could describe, or point me > to a link of, > > the various r.grow metrics parameter definitions: > euclidian, > > maximum, and manhattan. > > > > Also, are the comments regarding how r.grow decides how to grow > > between two equally eligible cells here > (http://www.nabble.com/-GRASSLIST%3A7611--r.grow-to8629593.html#a8629593) > still valid? I > > would like to add this information to the docs, and AFAICS, main.c > > hasn't changed much since Glynn's last edit > > 21505 back in late November, 2006. don't know. but beware there was r.grow and r.grow2 which worked differently. Hamish _______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
