Re: [Java-player-users] More fiducial interface problems

[Radu B. R. <ru...@cs...>]

Hi Shane,

Shane Hoversten wrote:

> Hi Radu -
>
> Thanks for the quick and thorough response.

No problem. My pleasure.

>> The configuration request/reply mechanism in the Player server works 
>> like this:
>> - first you send a configuration request of type PLAYER_MSGTYPE_REQ 
>> (PLAYER_FIDUCIAL_GET_FOV in our case) to Player
>> - then Player will reply back with a message of type 
>> PLAYER_MSGTYPE_RESP_ACK (if everything went ok) or 
>> PLAYER_MSGTYPE_RESP_NACK otherwise
>
>
> It looks like the second case is what's happening - after I send the 
> PLAYER_FIDUCIAL_GET_FOV via getFOV() something apparently goes awry; 
> PlayerDevice .handleNARMessage() gets called.  So something is 
> apparently going wrong, but no real error msg gets printed, just "Need 
> to handle a NAR message."
> Output in my stage simulator gave me an error message, so I dug 
> through the stage source code and found that requests are processed in 
> fiducialfinderdevice.cc, in the UpdateConfig function.  It appears 
> that Stage 1.3.5 only handles the PLAYER_FIDUCIAL_GET_GEOM msg, not 
> the GET_FOV msg getFOV() is sending.
>
> I assume from this that the getFOV() sort of functionality is only 
> supported in editions of Stage later than 1.3.5?

Yes, as far as I know it got supported in Stage 1.6. Any reason not to 
upgrade to 2.0a?

>
> Shane
>
> I started digging through the player/stage code and found that it
>
> Do you know where I might be able to trace   gets some sort of
>
Did something happen to your message here? All i got are these truncated 
phrases.

Cheers,
Radu.

-- 
| Radu Bogdan Rusu
| http://rbrusu.com/
| http://www9.cs.tum.edu/people/rusu/
| Intelligent Autonomous Systems
| Technische Universitaet Muenchen