comp.lang.idl-pvwave archive: archive » Re: RGB image to 8 bit ??

Home » Public Forums » archive » Re: RGB image to 8 bit ??

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: RGB image to 8 bit ?? [message #17033 is a reply to message #17030]

Thu, 09 September 1999 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Richard Tyc wrote:
> At this point, the image is a bytarr[3,512,512]
>
> In order to load it into Xinteranimate, it needs to be in
> bytarr[512,512] form ?
>
> So, how do you convert a RGB triple image into a single 8-bit image
> while retaining
> the colors (although lower resolution of color)

pseudo = color_quan(image, 1, r, g, b, colors=!d.table_size)
device, decomposed=0
tvlct, r, g, b
tv, pseudo

Cheers,
Liam.

--
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
http://cimss.ssec.wisc.edu/~gumley

Report message to a moderator

[Message index]

		Re: RGB image to 8 bit ?? By: Liam Gumley on Thu, 09 September 1999 00:00
		Re: RGB image to 8 bit ?? By: davidf on Thu, 09 September 1999 00:00
		Re: RGB image to 8 bit ?? By: Liam Gumley on Thu, 09 September 1999 00:00

Previous Topic:	Re: a plea for more reliable mathematical routines
Next Topic:	Re: Nautical Miles to Lat/Lon Degrees

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 15 01:33:22 PDT 2025

Total time taken to generate the page: 0.02590 seconds