Re: [simspark-devel] Problem with the vision perceptor (I think!)

[Joschka B. <jbo...@un...>]

Hi,

On Mon, 2007-06-18 at 22:06 +1000, Oliver Obst wrote:

> On 18/06/2007, at 8:42 PM, Joschka Boedecker wrote:
> 
> >>>  To be more consistent, we may avoid using left and right for the  
> >>> flags
> >>> altogether. For example, we may call: our flags and opponent  
> >>> flags! And we
> >>> may use left and right instead of 1 and 2 which are used  
> >>> currently. So, we
> >>> will have "our left flag(FLO), our right flag (FRO),..."!! (This  
> >>> is an
> >>> example only).
> >>>
> >>
> >> Good idea! This is what exactly my mean ;-)
> >> This is useful while teams design strategy and formation, I think.
> >>
> >> Joschka, will we use the new flag names?
> >
> > I think it's a good idea. But we should choose different names from
> > "our" and "opponent" (both start with 'O' ;-) ). How about "my  
> > team" (M)
> > and "opponent team" (0). So it would look like:
> 
> I'm not sure if I missed something, but as far as I understood the  
> discussion so far, I don't agree it's a good idea.
> 
> The flag names (with "left" and "right" for flags on the left/right  
> side of the field) should be equally perceived by agents of both teams.
> This is consistent with that real robots on the field see the same  
> flag on the field in equal colors.

True.

> If you label the flags with "my" / "opponent", this is a _semantic_  
> annotation of the flag that can't be found on the soccer field. The  
> vision perceptor should only deliver the syntactic label of the flag,  
> and the intelligence of deciding which side the flags belong to  
> should be in the agent, not in the simulator.

Wasn't there something like flipping the labels in the old simulator?
Maybe I'm completely wrong though, I didn't check...

> So IMHO, flipping the labels should be removed from the perceptor,  
> and using "left" for the left flags of teams of either side isn't any  
> better than the original labels.

OK, so we leave the old labels and remove the flipping?

Cheers,
Joschka