Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!sdd.hp.com!samsung!umich!terminator!rioja.ifs.umich.edu!ric From: ric@rioja.ifs.umich.edu (Richard Campbell) Newsgroups: comp.lang.postscript Subject: Latitudes/Longitudes Message-ID: <1990Jul16.193115.26400@terminator.cc.umich.edu> Date: 16 Jul 90 19:31:15 GMT Sender: usenet@terminator.cc.umich.edu (usenet news) Reply-To: ric@rioja.ifs.umich.edu (Richard Campbell) Organization: IFS Lines: 9 I've got a copy of Brian Reid's netmaps. I'd like to have an example of the algorithm used to translate between a given latitude and longitude to the position on the map. I've tried some empirical forumals, but nothing is quite working out. thanks, ric