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Re: Congrid problem [message #23855 is a reply to message #23854]

Fri, 23 February 2001 05:53

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

Jonathan Joseph <jj21@cornell.edu> writes:

> I'm running IDL 5.3 on HP-UX and seeing the following
> problem with congrid. I have a byte image that has large areas
> of a particular solid color (a background color).
> I rescale the image to be larger using congrid with the
> /interp flag set. My nice solid areas of the background color,
> which I would still expect to see unspoiled, now have artifacts
> in them with value background_color - 1. This looks like a
> bug. What's going on?
>
> Here's an example that show's the problem:
... deleted ...

Your example doesn't have the artifact on Linux on IDL 5.2 and IDL
5.3. It sounds like a bug under HP-UX.

Craig

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Craig B. Markwardt, Ph.D. EMAIL: craigmnet@cow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
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[Message index]

		Re: Congrid problem By: pit on Fri, 23 February 2001 09:03
		Re: Congrid problem By: Alex Schuster on Fri, 23 February 2001 06:43
		Re: Congrid problem By: Jaco van Gorkom on Fri, 23 February 2001 06:32
		Re: Congrid problem By: Paul van Delst on Fri, 23 February 2001 06:13
		Re: Congrid problem By: Craig Markwardt on Fri, 23 February 2001 05:53

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