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Re: ENVI does a dumb thing reading a TIFF file with a palette included [message #53826 is a reply to message #53824]

Wed, 02 May 2007 12:21

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Ed Hyer writes:

> I apologize for the offtopic post, but maybe someone here knows an
> ENVI trick I am missing. I have an XY array of data, category data
> with values from 0-16 + 254=NODATA. I have a color table ginned up
> specifically to display this data. I write a TIFF file, like so:
>
> tvlct,r,g,b,/get ; load palette values from color table
> write_tiff,filename,image,r=r,g=g,b=b

If that what ENVI wants, why not let it have it?

tvlct, r, g, b, /get
write_tiff, filename, [[[r[image]]], [[g[image]]], [[b[image]]]], 3

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: ENVI does a dumb thing reading a TIFF file with a palette included By: David Fanning on Thu, 03 May 2007 07:00
		Re: ENVI does a dumb thing reading a TIFF file with a palette included By: Jeff N. on Wed, 02 May 2007 13:09
		Re: ENVI does a dumb thing reading a TIFF file with a palette included By: David Fanning on Wed, 02 May 2007 12:43
		Re: ENVI does a dumb thing reading a TIFF file with a palette included By: MarioIncandenza on Wed, 02 May 2007 12:28
		Re: ENVI does a dumb thing reading a TIFF file with a palette included By: David Fanning on Wed, 02 May 2007 12:21

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