Re: [Swarm-Support] question about coloring of the background, and leaving paths

[Rick Riolo]

(1) the way to do this is to define a value space, like the space
  for heat in the heatbugs program, and have the agents leave their
  trail as values in that space.  then paint that onto your raster.

(2) i don't know if there is a way to change the default
   color that is produced by "erase" being sent to the raster.
   i suppose you could do it the hard way by having another value
   space with some value set (in conjunction with a colormap)
   to paint the whole world that value/color, but that
   sounds pretty kludgy, so lets hope there is a better way
   to set the default background.

- r
  

-- 
Rick Riolo                           address@hidden
Center for Study of Complex Systems (CSCS)
4477 Randall Lab                
University of Michigan         Ann Arbor MI 48109-1120
Phone: 734 763 3323                  Fax: 734 763 9267
http://cscs.umich.edu/~rlr

On Mon, 19 May 2003, Rex Oleson wrote:

> Date: Mon, 19 May 2003 16:58:12 GMT
> From: Rex Oleson <address@hidden>
> Reply-To: address@hidden
> To: address@hidden
> Subject: [Swarm-Support] question about coloring of the background,
>      and leaving paths
> 
> 
> Actually I have 2 seperate questions, but they might be related to each other.
> 
> 1)
>   I was wondering how you go about leaving a trail behind and agent. To 
> demonstrate where he has been? I know I could do this by leaving an object 
> and setting the color of that object appropriately, but that seem like a lot 
> of work. I know also that in the termite program and a few others they appear 
> to use another.
> 
> 2) 
>   Is there a way to set the background color of the simulation screen, 
> instead of the standard black?
> 
> Thank you,
> Rex Oleson
> 
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