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Re: How to do efficient overlay with IDL ?

Craig Markwardt <craigmnet@cow.physics.wisc.edu> wrote:

:> Is somebody knows :
:> 1) Why IDL is dramaticaly slower in full colors (3 to 4 time more than in
:> 256 colors !) ?

Three times the data to process.
This gets really nasty when you are sending the display 
over a network (like X to a remote IDL server)

: Wy is true color 3-4 times slower than 8-bit color?  My guess is that
: it's transferring 3-4 times as much data (24 or 32 bits versus 8 bit).

Thats what I see on UNIX/X displays.

Aaron Birenboim
Albuquerque, NM