Improving Picture Resolution

[Rachel S.]

Thank you. I needed to match the desktop setting at runtime to fix it.
I appreciate your help.

Best,
Rachel

On May 24, 10:07 am, Liza Mccarron <Liza.Mccar... at uwe.ac.uk> wrote:
> Ok.. in EPrime how have you set up the picture display?  It is possible that you may have made the images too small via picture manager and then may be trying to display them at a higher screen resolution through EPrime (there are lots of variables that could be coming into play here including graphics drivers, display resolution etc etc)
>
> Generally I tend to make my images 1024 x 768 @ 72dpi for use in Eprime as that is the resolution I have found best works with our range of monitors (I tend to use Photoshop or Photoshop elements to edit and save images as that seems to give most control - a free program called "The Gimp" is widely used too - I know a couple of members here use it.  As you say changing the file format makes no difference I'm wondering if picture manager (I am not really familiar with it) is doing something odd in the save which is then not liked by EPrime.
>
> It would be helpful if you could e-mail me a copy of your original picture and a copy of the saved picture and then I can probably work out what is going on!
>
> It would also be worth you checking the display size that your eprime experiment is set to use (If you haven't already) -
>
> - Open Experiment
> - Choose "Edit"  "Experiment"  
> - Select "Devices" tab
> - Choose "Display" and "Edit"
> - Check that you either have "Match desktop setting at runtime" as "yes" or that you have the height/width setting you require specified below.
>
> To find your desktop resolution right click on the desktop and select "Properties" and then "Settings"
>
> You may need to play around with these settings in EPrime to get the results you want.
>
> Hope this is of some use - feel free to mail me back if you need any more suggestions!
>
> Best Regards
>
> Liza McCarron
> Senior Technician
> Department of Psychology
> Room 0H17A/0J12
> University of the West Of England
> Frenchay Campus
> Coldharbour Lane
> BS16 1QY
> Tel: 0117 328 3253
>
>
>
> -----Original Message-----
> From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of Rachel S.
> Sent: 24 May 2010 15:24
> To: E-Prime
> Subject: Improving Picture Resolution
>
> I am currently working on a program that uses the dot-probe task. A
> fixation cross "+", followed by 2 faces, and a probe (E or F) appears.
> The faces I am presenting are from .png files. Using Microsoft Office
> Picture Manager, I edit the .png files to make the faces smaller. The
> resolution of the faces looks fine until I run the e-prime program.
> Any suggestions how I can improve the resolution of the faces without
> affecting the refresh rate of the computer?
>
> I have already tried changing the file type and that doesn't seem to
> help.
>
> Thanks in advance.
>
> Rachel
>
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