swarm-support
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Multiple Value2dDisplay's on a single Raster


From: Rick Riolo
Subject: Re: Multiple Value2dDisplay's on a single Raster
Date: Tue, 21 Apr 1998 18:50:08 -0400 (EDT)

Nelson,
Yes, that might be the easiest.  
I'll have to take a look to see.
I'd could then probably just add a method to do the erasing.
  - r

Rick Riolo                           address@hidden
Program for Study of Complex Systems (PSCS)
4068 Randall Lab                
University of Michigan         Ann Arbor MI 48109-1120
Phone: 313 763 3323                  Fax: 313 763 9267
http://www.pscs.umich.edu/PEOPLE/rlr-home.html

On Tue, 21 Apr 1998, Nelson Minar wrote:

> Date: Tue, 21 Apr 1998 17:28:50 -0400
> From: Nelson Minar <address@hidden>
> To: address@hidden
> Subject: Re: Multiple Value2dDisplay's on a single Raster
> 
> >whatever gets written second over-writes *all* of the Raster, ie., the
> >zero values are not transparent so that in effect only the second to
> >be written values are seen in the Raster.
> 
> Can you just subclass Value2dDisplay and override the offending
> method? I think it'd be pretty simple to do.
> 
> One gotcha - if 0 is transparent, then you need some way to erase the
> Raster first before everything else is drawn.
> 
>                   ==================================
>    Swarm-Support is for discussion of the technical details of the day
>    to day usage of Swarm.  For list administration needs (esp.
>    [un]subscribing), please send a message to <address@hidden>
>    with "help" in the body of the message.
>                   ==================================
> 

                  ==================================
   Swarm-Support is for discussion of the technical details of the day
   to day usage of Swarm.  For list administration needs (esp.
   [un]subscribing), please send a message to <address@hidden>
   with "help" in the body of the message.
                  ==================================


reply via email to

[Prev in Thread] Current Thread [Next in Thread]