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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.
>
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Re: Multiple Value2dDisplay's on a single Raster,
Rick Riolo <=
Re: Multiple Value2dDisplay's on a single Raster, Ken Cline, 1998/04/21