Tutorial of a simple "boids" style model

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Tutorial of a simple "boids" style model

by Hidemichi Yonezawa :: Rate this Message:

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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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