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Re: Automatic interpolation / smoothing in TV?? [message #85534 is a reply to message #85533] Thu, 15 August 2013 05:00 Go to previous messageGo to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Jakob writes:

> I would like to display an image with few pixels. When I use the TV command (either directly or through cgimage) I find the image is being "blurred", as if each pixel was being broken up in 8x8 cells and then values were being interpolated. For my specific purpose I want each pixel to have sharp edges.
>
> I've searched the manuals but was not able to locate the reason for this behavior. I could plot each pixel separately using squares of appropriate size, but this seems unnecessarily clumsy?
>
> Any hint on what I am missing would be greatly appreciated.

My guess would be you are looking at your file using Preview on a Mac.
It always shows the wrong thing. But, everywhere else this should look
like you expect it to look. :-)

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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