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Mac 32 bit color depth? [message #24241]

Tue, 20 March 2001 10:55

Wayne Landsman
Messages: 117
Registered: January 1997

Senior Member

I have a simple program that tries to reset the default value of
!P.COLOR for the current (Mac, Win or X) device using the following
code:

device, get_visual_depth=depth
!P.Color = 256L^(depth/8) - 1

I am told that this fails on IDL V5.4 on a Mac since
device,/get_visual_depth returns a value of 32 (whereas !P.COLOR is
256L^24 -1). Can other Mac users verify this? What is the meaning
of a 32 bit visual depth?

Thanks, --Wayne

Wayne
Landsman
landsman@mpb.gsfc.nasa.gov

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[Message index]

		Mac 32 bit color depth? By: Wayne Landsman on Tue, 20 March 2001 10:55
		Re: Mac 32 bit color depth? By: davidf on Sat, 24 March 2001 10:57
		Re: Mac 32 bit color depth? By: Randall Frank on Sat, 24 March 2001 09:55
		Re: Mac 32 bit color depth? By: William Daffer on Fri, 23 March 2001 17:55
		Re: Mac 32 bit color depth? By: btt on Tue, 20 March 2001 11:52
		Re: Mac 32 bit color depth? By: Joseph B. Gurman on Thu, 22 March 2001 16:05

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