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Re: Error with read_bmp [message #88008 is a reply to message #88007]

Tue, 11 March 2014 15:42

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

lczhang123@gmail.com writes:

> I got another question here. When I use the read_jpeg or read_bmp function to read the picture, all information is saved in the variable. But when I try to use TV,variable to display again, it shows me a black screen
>
> IDL> read_jpeg, '1.jpg',a
> IDL> tv,a

Try this:

IDL> tv, bytscl(a)

But, you need a much smarter TV command. :-)

http://www.idlcoyote.com/idldoc/cg/cgimage.html

Cheers,

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

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[Message index]

		Error with read_bmp By: lczhang123 on Tue, 11 March 2014 13:50
		Re: Error with read_bmp By: Mats Löfdahl on Tue, 11 March 2014 14:00
		Re: Error with read_bmp By: lczhang123 on Tue, 11 March 2014 15:17
		Re: Error with read_bmp By: David Fanning on Tue, 11 March 2014 15:42
		Re: Error with read_bmp By: lczhang123 on Tue, 11 March 2014 20:49

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