Re: Torcs-NG Newer Generation

Brent Burton <[email protected]> Wed, 11 Feb 2009 21:42:55 -0600
Newsgroups gmane.games.torcs.devel
Message-ID <[email protected]>
I'm perhaps the least familiar with Torcs on this list, since I
haven't had time to build it on OS X and play with it yet, but I think
the Torcs system is very interesting, and your Virtual Darpa effort
sounds like a good challenge (for both you and the developer-users).

Comments below...

On Wed, Feb 11, 2009 at 5:07 AM, Jean-Christophe Hoelt
<[email protected]> wrote:
> ...
> The first stone of the simulator is Torcs. We are going to improve it
> to give AI plugins access to "virtual cameras" and other sensors (like
> GPS), which should be the only way those plugins can access the track
> and cars positions.
> ...

Several years ago I did a little survey term paper of just this --
"artificial vision" -- which was basically a vision system for an
autonomous avatar. As the avatar moved about the world, the system
would render a low-res image of whatever the avatar was looking at,
and the avatar built a rough, voxel-based model of its world. This
system wasn't for path planning or other aspects of autonomous robots,
it just focused on building a map of the world through simulated
vision.

That said, "virtual cameras" would be interesting. Autonomous vehicles
such as those used in the DARPA challenge use a mix of video and
telemetry. The video is highly processed, either from cameras or from
laser-range scanners. Sooo, mapping real-world data sources like this
to a virtual world could mean supplying regular RGB images (as the
artificial vision system I mentioned above did), or supplying other
image types, such as the depth buffer of a scene rendered from the
car's camera. For simulation and algorithm development, you can do a
lot with just this: send only red channel, inject noise into the image
to simulate a faulty camera, etc.

Good luck with your project.

-Brent

p.s. Anybody know of a working OS X (10.5.x) build of Torcs? The ones
I've tried so far don't work.

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