Spacecrafts from CNES

mjoubert · Post #1by **mjoubert** » 08.11.2007, 09:50

Hi all,

This is a set of 3 pictures made by Celestia of spacecrafts from the french space agency CNES.

Our use of Celestia is mainly real-time visualization of spacecraft position and attitude within a simulator. Axis and arrows you can see are separated and animated objects.

Solar arrays are also animated in real-time. Deployment of SMOS spacecraft's antennas is simulated by CNES simulator and displayed in Celestia.

Mathieu

bh · Post #2by bh » 08.11.2007, 10:51

Great! Are you going to let us have those models?

Post #3by **ElChristou** » 08.11.2007, 12:22

Nice!

No way to extract a deployment in some Celestia compatible files?

It would be nice to have an addon available for public... would be good ad for CNES...

BobHegwood · Post #4by **BobHegwood** » 08.11.2007, 13:10

France has a space agency?

Post #5by **ElChristou** » 08.11.2007, 13:38

BobHegwood wrote:France has a space agency?

AH Ah.... . . . ah

:wink:

BobHegwood · Post #6by **BobHegwood** » 08.11.2007, 15:40

ElChristou wrote:
BobHegwood wrote:France has a space agency?

AH Ah.... . . . ah

Hee, hee, haw...

LordFerret · Post #7by **LordFerret** » 09.11.2007, 05:32

Nice work!

Machete · Post #8by **Machete** » 16.11.2007, 16:23

BobHegwood wrote:France has a space agency?

The one that released official UFO reports to the public some months ago

Imy · Post #9by **Imy** » 17.11.2007, 10:21

France has a space agency?

Is it ironical or not?

If it is not, remember that ESA is only an association of agencies and strictly it's not a real agency. France is one of them with german, italian and even canadian own spatial agencies, and others. The famous Ariane rocket (the ESA main spatial rocket) is built by France agency CNES.

The harmony node that has been just placed on ISS is not exactly an ESA module but an Italian one from ASI (Italian spatial agency) whereas Colombus laboratory which is an ESA module will be launched in the next NASA shuttle Launch.

European spatial agency is surely more complicated than NASA but all national agencies gathered are as powerful as a big one (with the means of such one) and they continue to keep their independance...

Imy · Post #10by **Imy** » 17.11.2007, 10:40

Thanks a lot Mathieu. I like this idea to internationalize Celestia too!

mjoubert · Post #11by **mjoubert** » 27.11.2007, 18:00

Here you can find a short movie of Smos antennas deployment (6MB).

Thanks Chris for double precision trajectories

Mathieu

Post #12by **ElChristou** » 27.11.2007, 18:17

mjoubert wrote:Here you can find a short movie of Smos antennas deployment (6MB).

Thanks Chris for double precision trajectories

Mathieu

Mathieu, could you explain how is scripted the animation of the model? Do you use any kind of soft to script this, then import in a Celestia file?

BobHegwood · Post #13by **BobHegwood** » 27.11.2007, 20:33

Yeah, good question Christophe...

That's an elegant display of the spacecraft.

Thanks, Bob

mjoubert · Post #14by **mjoubert** » 30.11.2007, 15:06

Sorry guys, I don't have so much time to answer...

Just know that all objects are separated (Body, solar panels, 9 antennas' elements) and all of them are Celestia ssc objects. Each object is ScriptedOrbit with a real-time connection to a simulator. Protocol is quite simple since every object wait its J2000 position and attitude from the simulator.

So the tricky part is hosted by the simulator. I wrote a library and a GUI that helps CNES users to add an object (based on how it's rotated and which object is linked to).

Hope you'll understand and forgive me for this too short explaination...

Mathieu

BobHegwood · Post #15by **BobHegwood** » 30.11.2007, 15:18

mjoubert wrote:Hope you'll understand and forgive me for this too short explaination...

Mathieu

Hey, no problem Mathieu... Thanks VERY much for the posts though.
This is a very interesting display of the spacecraft.

Thanks again, Bob