"agent_from_geometry" operator sometimes returns null

[pcaillou]

What steps will reproduce the problem?
1. Load the "models/multi_scale/simple_hybrid_model.gaml" model;
2. Step the simulation and see the output in the console view.

What is the expected output? 
"agent_from_geometry" operator shouldn't return null value.

What do you see instead?
The message the in the console indicates that the return value of this operator is
sometimes null.

Original issue reported on code.google.com by voducanvn on 2011-12-23 10:44:28

[pcaillou]

I fixed the bug

Original issue reported on code.google.com by patrick.taillandier on 2011-12-28 11:17:34