Hi,
I am doing the tutorial of a simple "boids" style model.
In Figure 17 of this tutorial, a behavior, a task and an end block
show up without any explanation.
The name of the behavior is "Initialize Heading".
The name of the task is "Pick a Heading".
Since there is no explanation, I ran the model without those
blocks. However, I got the following errors.
log4j:WARN No appenders could be found for logger
(MessageCenter.INTERNAL.repast.simphony.ui.RSApplication).
log4j:WARN Please initialize the log4j system properly.
I would really appreciate it if anyone could help me solve this problem.
Sincerely,
Hidemichi Yonezawa
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