nice! thx for solving the n problem.

i will explore more when time permits.

That is what i need to figure out but couldnt!
[quote]1. You need to allocate the maximum number of cells needed.
2. The lattice GUI has been replaced with particleSet.[/quote]

The range thing was my attempt by trial and error of how to control the size of the view, i was confused by n*n and range. Lucky u solved it so i can continue to learn by constructing a model with support from u. will seek guidance after finding out more whether can remix in my netlogo version.

Thanks a million boss! ;D