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Re: Problem with cgcmdwindow__define [message #87633 is a reply to message #87632]

Thu, 20 February 2014 06:10

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

>
> Sean Elvidge writes:
>
>> I seem to be having a problem when saving a cgWindow to a Raster image file. I think the problem may be in cgcmdwindow__define. I am trying to save a cgWindow, to a PNG file (although this happens for any file type) however the outputted image is only a single pixel wide.
>>
>> I believe this is because a WIDTH of 0 is being passed to cgPS_Close (line 2662 in cgcmdwindow__define) which comes from self.im_width. With the width set thus when an N_ELEMENTS check is done during cgPS_Close the program thinks I want to resize the image to something of width 0.
>>
>> This fault seems to have only arisen recently.
>
> Do you mean from this morning's download of the Coyote Library?
>
> Don't know. This certainly doesn't happen to me when I try it. I guess I
> need more details. These are the steps I take to solve these kinds of
> problems:
>
> http://www.idlcoyote.com/code_tips/fixcoyoteprogram.php

Oh, hang on, you may be right. I was looking at the wrong file.

I'll be back soon. :-)

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]

		Problem with cgcmdwindow__define By: seanelvidge on Thu, 20 February 2014 05:52
		Re: Problem with cgcmdwindow__define By: David Fanning on Thu, 20 February 2014 06:08
		Re: Problem with cgcmdwindow__define By: David Fanning on Thu, 20 February 2014 06:10
		Re: Problem with cgcmdwindow__define By: David Fanning on Thu, 20 February 2014 06:21
		Re: Problem with cgcmdwindow__define By: David Fanning on Thu, 20 February 2014 10:57
		Re: Problem with cgcmdwindow__define By: seanelvidge on Fri, 21 February 2014 00:13

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