Re: [nbos] [AS] Suggestions for AS 2.1
Charles Sykora
Wed Oct 3rd, 2007
It is not true that Celestia only does real planets and stars. You
can load an entirely fictional universe. At one point before my work
got me very busy, I was working on scripts that would take your
Celestia universe (real or not) and transfer it to AS and do the
opposite. I'd like to get back to work on this at some point.
--Dale--

On Oct 3, 2007, at 11:29 AM, Doug Jessee wrote:

> Ah, as I said in another post, I use Celestia for those kind of tasks.
>
> http://www.shatters.net/celestia/
>
> But the problem with that is, Celestia only does 'real' stars. No
> other planets than our solar system.
>
> If some how the capabilities of Celestia were merged with AS, that
> would be GREAT!
>
> LDJ
>
> On 10/3/07, Mike Oliver < mike-oliver-at-blueyonder.co.uk> wrote:
> Ed:
>
> I think there is a growing interest in further development of the
> graphic display facility. Certainly I have wished for a "little more"
> when using it. For example, the facility to zoom-in to a planet or
> satellite and get a picture of the body rotating serenely in space
> with
> its surface features visible.
>
> I'm not too worried about orbital accuracies but it's nice to be
> able to
> show players what their viewscreens might show of the system or world
> their ship is approaching.
>
> Maybe there's a case for having a stand-alone prog that can accept
> data
> from AS and offer more sophisticated visuals?
>
> Definitely the ability to show multiple systems graphically is
> important. When I did the Star Trek map, I wanted to show the Vulcan
> system accurately but could not because the AS graphic display did not
> offer the appropriate facilities. This was much the same situation
> as a
> multiple star system but relating to two planets orbiting a barycentre
> which itself orbited the primary. I don't know if this is
> astronomically
> feasible but it's what the ST designers suggest.
>
> Cheers,
>
> Mike
> www.cartography-services.co.uk
>
> -----Original Message-----
> From: nbossoftware-bounces-at-nbos.com
> [mailto:nbossoftware-bounces-at-nbos.com] On Behalf Of NBOS Support
> Sent: 03 October 2007 08:46
> To: nbossoftware-at-nbos.com
> Subject: Re: [nbos] [AS] Suggestions for AS 2.1
>
> At 02:57 PM 10/1/2007, you wrote:
> > Don't worry, there are more than a few of us! Unfortunately, the
> >equations for those situations makes it very difficult to have a
> generic
> >equation to handle these situations as well as the more complex
> orbits.
>
> Heck, I'm not even sure there *are* equations for such things.
> Positions
> of objects in elliptical orbits are calculated mathematically. ie,
> using
> routines that are called iteratively.
>
> The problem with tracking multiple star orbits is that, while for 2
> objects
> its generally stable (at least with regard to the stars themselves
> - the
>
> planets might be screwed), with 3 or more there's no guarantee a
> generated
> orbit is stable. So the generator would have to do a tremendous
> amount
> of
> work just finding stable (enough) orbits to use!
>
> None of this, of course, means I wont try at some point in some future
> version. It'll just be a while before I attempt it. :-)
>
> Ed
>
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