[LON-CAPA-users] Image Click problem

Gerd Kortemeyer lon-capa-users@mail.lon-capa.org
Mon, 12 Sep 2005 21:38:26 -0400

Hi Mark,

Yes, I am currently researching an issue which two students in my  
class had: the image coordinates for one of the problems arrived 35  
pixels shifted to the right.

The server log clearly shows that the submitted coordinates were wrong.

Also, I put the same student in front of Safari on a Mac, no problem.

So, I think it's a bug in some version of IE on XP - the x-coordinate  
gets submitted off to the right.

- Gerd.

On Sep 12, 2005, at 7:17 PM, lucasm@ohiou.edu wrote:

> Hi,
> I was wondering if anyone out there has had a problem with an  
> imageresponse problem.
> I have a problem that requires that the student click on a spot on  
> a graph where the velocity is zero. It is a sine wave, and they  
> simply click on one of the extremes.
> I had a graduate student who could not do the problem using IE  
> under XP. Of course, I was fine under XP and firefox, and he was  
> able to do it under 2000 and IE.
> Has anyone seen any strange behavior with this type of problem?
> Thanks,
> Mark
> ---------------------------------------------------------------------- 
> ------
> Mark Lucas                    email: lucasm@ohiou.edu
> 252D Clippinger Lab                  phone: (740)597-2984
> Department of Physics and Astronomy             fax:   (740)593-0433
> Ohio University
> Athens, OH 45701
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