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Producing potable color images from IDL? [message #32972]

Sun, 24 November 2002 07:04

Chris Mulliss
Messages: 5
Registered: March 2000

Junior Member

Hello,

This is not strictly an IDL question, but here goes...

When I produce 24-bit color images in IDL (running on a SUN) and try to
display them on an SGI or Windows box, they tend to come out looking very
dark.

I have been told that it is probably a hardware-dependent gamma correction
problem. I have been told also that the PNG image format has the ability to
store the gamma value of the machine that the image was created so that the
image can be "gamma corrected" on other platforms. IDL's help on PNG does
not mention this feature and I have this problem with all file formats that
I have tried including PNG.

So, does anybody know what is going on? Has anyone found a way to make
images in IDL that don't look dark on other platforms? Does anyone have a
reference to the mathematical nature of this "gamma correction" so that I
look into accounting for it in code.

Thanks,
Chris

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[Message index]

		Producing potable color images from IDL? By: Chris Mulliss on Sun, 24 November 2002 07:04
		Re: Producing potable color images from IDL? By: Rick Towler on Mon, 25 November 2002 10:00

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