Re: [Swarm-Support] discrete2d

[Paul Johnson]

Answers below!
Good luck

K Konopka wrote:
> Hi,
> I'm new to swarm (and objective c) and constructed a simple model based 
> on the tutorial. 
> I created a space by importing <space/Discrete2d> but I'm not able to 
> assign float values to this grid.  Is there another type of grid I 
> should use for this?
The Heatbugs example should help. Or look in the ref manual for 
Discrete2d.  The Discrete2d has methods to put in objects or long ints, 
but no doubles.  If you need to store floats, you must create a class 
that holds the float, and then drop those onto the grid.

> Also, I am using uniformDblRand to get random values, but it seems to 
> pick the same ones every run.  Do I need to seed the generator somehow?

Yes.

http://www.ku.edu/~pauljohn/SwarmFaq/SwarmOnlineFaq.html#7.18

-s or --varyseed

-S234234

will force the seed to 234234

pj

> Thanks for your help,
> Ken
>
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Paul E. Johnson                       email: address@hidden
Dept. of Political Science            http://lark.cc.ku.edu/~pauljohn
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