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Re: error handling [message #63453 is a reply to message #1347]

Mon, 10 November 2008 07:11

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

bulrushmower@gmail.com writes:

> The problem is even I use these statements, program still halted when
> enounter a bad data.
> Should I place the Catch, /cancel inside the loop.
> Another issue, should I state the Catch, the error right after the
> beginning the loop, or after the image processing, end of the loop?

Well, I have *NO* idea what you are doing in the processing
step, so I have no way of helping you. I can only presume
that the error handling in your processing routines are
such that the error returns to the CATCH. This can easily
not be the case. (For example, your processing routines
might not have any error handling in them at all!) Plus, the
errors can be I/O errors, which are typically handled in a
different way (with ON_IOERROR).

Lots of things can be going on here that I am depending
on you to sort out. I was only answering the question
in a general way. :-)

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]

		error handling By: jabarone on Thu, 26 August 1993 11:44
		Re: error handling By: bulrushmower on Mon, 10 November 2008 11:42
		Re: error handling By: bulrushmower on Mon, 10 November 2008 11:06
		Re: error handling By: David Fanning on Mon, 10 November 2008 10:12
		Re: error handling By: bulrushmower on Mon, 10 November 2008 09:54
		Re: error handling By: R.Bauer on Mon, 10 November 2008 09:23
		Re: error handling By: David Fanning on Mon, 10 November 2008 07:11
		Re: error handling By: bulrushmower on Mon, 10 November 2008 07:02
		Re: error handling By: David Fanning on Mon, 10 November 2008 05:38
		Re: error handling By: Spon on Mon, 10 November 2008 04:40
		Re: error handling By: David Fanning on Sun, 09 November 2008 20:59
		Re: error handling By: bulrushmower on Sun, 09 November 2008 20:40
		Re: error handling By: bulrushmower on Sun, 09 November 2008 17:20
		Re: error handling By: David Fanning on Sun, 09 November 2008 16:24

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