On Tue, 2009-04-14 at 19:58 +0200, francesco wrote:
> Torsten Dreyer ha scritto:
> > Don't know if I understand you right, but if you want to create arbitrary 
> > aircraft with independent position and attitude values, you might want to 
> > use 
> > the multiplayer protocol. If you fake the mp-server, you might inject any 
> > number of aircraft into your scene.
> >
> > Torsten
> >
> >   
> I agree with Torsten, further it could be nice (And I think easy too,
> working with the liveries png) to make a "semi transparent" aircraft
> that could be the "Real positioned aircraft" or the "Algorithmic
> positioned one".
> 
> Using a second aircraft and faking the multi player protocol is quite
> easy, how do you wish to proceed? If this algorithm will output position
> and rotation values and they can be inserted in the property tree, a
> program attached with the telnet port could register both the real
> coordinates/orientation and the algorithmic ones regularly (i.e. every
> 0.1 sec) into a csv file, with the acquisition time too (Starting from 0).
> 
> Does a script like this exist yet ? if now I could provide it for you
> (python, C, php or java), my tip: python
> data could be pushed into a database too (i.e. mysql or postgres), and
> we could generated a graph with two data for every parameter (real one
> and algoritmic one).
> 
> Further I think (With a little help from a friend of mine) I could
> create a 3d file (used in blender) that shows in 3d the 2 paths, just
> like a 3d graph.
> 
> Cheers
> Francesco
> 

I like Torsten's idea, too.  I'm envisioning an app that pushes both
models down the mpmplayer udp path.  This app can keep both streams
synchronized while allowing features like pause, rewind, fast forward,
slow motion.  These are features the generic protocol lacks.

Ron



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