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Hi Michael.  Can you tell me if your model was using Display3D or  
Display2D?  We are indeed seeing some bugs in Display3D's snapshot  
generation and are trying to stamp them out.  It seems to fail  
sometimes on the first time around and may be a bug in Java3D.

Sean

On Jul 24, 2006, at 9:05 AM, Michael Lees wrote:

> Hi again all,
>
>
> I found something rather curious today. Last week I had ran my  
> simulation through various stages taking snapshots for a report.
> I came to look at the png's today and they're all blank black  
> pictures?
> So I re-read the GUI introduction to check if I needed to set  
> something but it seemed to say just click the button - which is  
> what I'd done.
>
> Anyway I tried running again and this time it worked, which was  
> strange.
> I then tried again but this time I re-sized the display window (as  
> I had done in the first set of snapshots) and the snapshot was  
> again a blank black screen.
>
> It's not too much of a problem I can just re-generate the pictures  
> at default size. I don't know if you had come across this before so  
> thought I'd let you know, seems like it'd be fairly easy to fix.
>
> Thanks
>
>
> -- 
> Mike
>
>
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