Re: [PHP] Rhumb Lines

2006-05-05 Thread Paul Scott
On Fri, 2006-05-05 at 19:16 +0200, Paul Scott wrote: > I could do something like this using PostGIS and PHP, but a pure PHP > solution is probably going to be a tad slow with real geometries. > Sorry about replying to my own post, but here is a postgis solution supplied off the PostGIS list (tha

Re: [PHP] Rhumb Lines

2006-05-05 Thread Paul Scott
On Fri, 2006-05-05 at 11:44 -0300, Miles Thompson wrote: > What an interesting problem. You might have better luck on a GIS or ocean > racing list. > Have you tried this: http://en.wikipedia.org/wiki/Rhumb_line I could do something like this using PostGIS and PHP, but a pure PHP solution is pr

Re: [PHP] Rhumb Lines

2006-05-05 Thread Miles Thompson
At 11:01 AM 5/5/2006, Leonard Burton wrote: HI All, I need to calculate Rhumb Lines in an application and have not found a good formula for doing such. Does anyone know of an existing Class/Function that will calculate Rhumb Lines? Thanks and Be Well, -- Leonard Burton, N9URK [EMAIL PROTEC

[PHP] Rhumb Lines

2006-05-05 Thread Leonard Burton
HI All, I need to calculate Rhumb Lines in an application and have not found a good formula for doing such. Does anyone know of an existing Class/Function that will calculate Rhumb Lines? Thanks and Be Well, -- Leonard Burton, N9URK [EMAIL PROTECTED] "The prolonged evacuation would have drama