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Posted by: elchristou Jan 28 2007, 01:43 PM

Hello to the Unmanned Spaceflight community!

First of all sorry for my bad English (not my native language...)
I'm a not a constant reader of the board, but I'm visiting from time to time.

Because of the existance of this forum (Voyager/Pioneer) I just wanted to let you know the release of a 3D model of Voyager within the Celestia community, model which cost me quite a hard work because of the few documents available on the net. This model is adapted for a 3D real time use, this mean it's not highly detailled (must run on medium config), but still a nice model.

After a quick search I saw that many of you already know Celestia but for those who don't, just a few words; Celestia is a real time 3D visualisation soft. It's purpose is to give people a tool to visualise space in an interactive way, from spacecrafts to DSO. The soft is Opensource and multi platform (Linux, osX, Windows), based on professional catalogues and in constant dev. It is used by many people for educational purpose but also by the big space agency (Nasa/ESA).

More info on Celestia home page: http://shatters.net/celestia/index.html
Forum: http://shatters.net/forum/index.php

Now back to the model:
The trip of this ship was really incredible... a few shots within Celestia:

(Click to enlarge)

http://nho.ohn.free.fr/celestia/preview/TheGrandTour1.jpg
http://nho.ohn.free.fr/celestia/preview/TheGrandTour2.jpg
http://nho.ohn.free.fr/celestia/preview/TheGrandTour3.jpg
http://nho.ohn.free.fr/celestia/preview/TheGrandTour4.jpg
http://nho.ohn.free.fr/celestia/preview/TheGrandTour5.jpg

Here a link to download the model:
http://www.celestialmatters.org/cm/hosts/home_elchristou/voyager.shtml

Hope you will enjoy it!
Comments are welcome.

Bye.

Posted by: djellison Jan 28 2007, 02:14 PM

Ahh - great stuff, I'll give it a go.

And now, at last, a thread to find out about Rosetta in Celestia. There are several different models/trajectories - do you know which will most accurately show the Mars flyby next month?

Doug

Posted by: elchristou Jan 28 2007, 02:53 PM

Nope, sorry I cannot help much; a quick search in Celestia forum give me this link to an ESA trajectory but from 2005... (http://www.lns.cornell.edu/~seb/celestia/spacecraft.html#3.4.5); you should contact Selden on the forum for more info...

Posted by: lyford Jan 28 2007, 10:04 PM

Truly beautiful images! Thanks for the links and welcome to UMSF.

Posted by: mcaplinger Jan 29 2007, 01:02 AM

The SPK files on naif.jpl.nasa.gov in /pub/naif/ROSETTA/kernels/spk/ORMR* seem to be fairly up-to-date (late December 2006) and with some effort you can use an SPK file in Celestia, at least in v1.5.

Posted by: nprev Jan 29 2007, 01:13 AM

How beautiful & evocative, EL; thank you!

Just out of curiosity, was the magnetometer boom really twisted like that? It almost looks helical in these pics...

Posted by: elchristou Jan 29 2007, 02:19 AM

Tx and yes the boom was like that... I've tried to show how was (is) the craft with the higher fidelity possible relative to some exigence for the real time rendering and not much documents as reference...