Please make sure you have the latest version of JFreeChart.  They  
keep changing the API, and that causes some problems from time to  
time (like the one you reported).  I just tested MASON with  
JFreeChart 1.0.1, and it works fine.

Regards,

Liviu.

On Jul 30, 2006, at 9:44 AM, Alessandro Perrone wrote:

> 	Hi all
>  I am using Mason to porting some simulation from other ABM to see  
> if the optimization and the use of multiprocessors machine. (I have  
> a Macintosh Quad to run my simulaitons).
> The only thing I do not understand is that why I cannot see the  
> graphs on Heatbugs.
> What's wrong?
>  The Raster runs fine and faster, but when  I click on the glass  
> icon of the inspector, I see only "Stream" and not the GRaph. I am  
> using the last version of Mason and I have installed, as  
> described,  the jfreechart and other "external" java libraries.
> Is someone using Mason on OS X?
> Regards.
> 					ALEX
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