How an agent can make RL-Viz stop and wait

[W Bradley Knox]

Hi Brian,

For some impending experiments, I'd like to make everything freeze at
a certain point and wait until a keyboard key is pressed. So far, I've
imagined that the predefined freezing point would be a parameter of
the agent, but I suppose that's not necessary. Is there a message that
the agent can send to RL-Viz to make it effectively push the stop
button? If not, do you think this would be easy to implement?
Suggestions for other solutions are also welcome.

(I tried having the agent stall and wait for keyboard input -- sent as
a message from the agent visualizer -- but the message isn't processed
by the looping agent.)

Thanks!
Brad

[W Bradley Knox]

Update: I got it working by having the agent stall until a certain
file contains "start". Not the most elegant solution, but it works.

- Brad

[Brian Tanner]

I'm glad you got something working. I didn't have any brilliant
ideas, and I'm pretty tied up.

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Brian Tanner
Ph.D Student
University of Alberta
br...@tannerpages.com

[W Bradley Knox]

Thanks. Good luck getting untied.