Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread JD Fenech
I'll justify my diagram just a bit more, maybe for a clarification. True, the sun has a diameter much larger than earth. My reasoning for the sizes shown was that even if the sun is much larger, the earth appears to be much bigger by virtue of being much closer. My diagram makes some bad assumpti

Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread [EMAIL PROTECTED]
On Thursday 27 November 2003 22:05, [EMAIL PROTECTED] wrote: > Ok, i found it now. :) > > It is called "Planet engine" and can be downloaded here: > http://drtypo.free.fr/download.html > > But there are also some bad news, i was wrong, it is only freeware not open > source. :( > It also doesn't ru

Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread [EMAIL PROTECTED]
On Thursday 27 November 2003 20:30, [EMAIL PROTECTED] wrote: > On Thursday 27 November 2003 19:44, Melchior FRANZ wrote: > > * [EMAIL PROTECTED] -- Thursday 27 November 2003 19:29: > > [simulator for planets] > > > > > Does anyone know the name of that simulator? > > > > ssystem? Unfortunately, the

Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread [EMAIL PROTECTED]
On Thursday 27 November 2003 19:44, Melchior FRANZ wrote: > * [EMAIL PROTECTED] -- Thursday 27 November 2003 19:29: > [simulator for planets] > > > Does anyone know the name of that simulator? > > ssystem? Unfortunately, the HP is down. Should be part of > typical Linux distributions. > > m. No, t

Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread [EMAIL PROTECTED]
Jonathan Richards wrote: > On Thursday 27 Nov 2003 5:23 am, JD Fenech wrote: > > Not too shabby, but it probably has holes. I do know that the last time > > I checked, FG will display the sun at midnight, especially if you fly up > > high enough, even if the earth is actually in the way, as in dir

Re: [Flightgear-devel] Re: the horizon

2003-11-27 Thread Jonathan Richards
On Thursday 27 Nov 2003 5:23 am, JD Fenech wrote: > > Not too shabby, but it probably has holes. I do know that the last time > I checked, FG will display the sun at midnight, especially if you fly up > high enough, even if the earth is actually in the way, as in directly in > the way. The diagra

Re: [Flightgear-devel] Re: the horizon

2003-11-26 Thread JD Fenech
This really doesn't seem like such a difficult subject to me. If one were to use a crude approximation of a flat plane drawn out to intersect the ray from the eye to the sun, it would work, but... If you want to be really clever, use a spherical or spheroidal approximation to determine where the

RE: [Flightgear-devel] Re: the horizon

2003-11-26 Thread Danie Heath
If I can give my opinion, 1 mile visibility sometimes looks like 20 mile visibility when your only a mere 3000 ft up in the sky ... It's a really a difficult subject this -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brandon Craig Rhodes Sent: 26 Nov