multiple movies

[David Vinson]

It is certainly possible to use E-Prime 2.0 to display multiple movies 
at the same time using a Slide object (I think the Professional version 
may be necessary, but I'm not 100% sure about this).  You'd just place 
the different MovieDisplays at your desired locations on the Slide, 
specify filenames either directly or via List entries, and there you go.

However you may find that it is impossible to sufficiently manage timing 
if you are loading multiple movies at the same time - I expect timing 
would be the greatest concern.  You will also learn that MovieDisplay 
objects are still not really covered in E-Prime documentation, so you 
may need to contact E-Prime support to solve some of the problems you 
come across.

Keep in mind that for MovieDisplay objects embedded in Slides, it is not 
possible to log sub-object properties in the normal manner (e.g. ticking 
boxes in the Logging object tab).  However this is essential for a study 
like the one you describe; you will definitely need to log the 
MovieDisplay properties as part of your checks on timing.  This can be 
done using inline code:

(From Matt Lenhart, E-Prime technical consultant):
> It is possible to log information about movies that are presented via a SlideMoie sub-objects. The properties are accessed in the same was as with a MovieDisplay. However, you must use InLine script to gain access to the SlideMovie sub-object before you can access the properties.
> I would recommend taking a look at the MovieRT sample that is installed with E-Prime 2.0. The MovieLogging InLine contains script for gaining access to a sub-object and then logging the related properties for the SlideMovie. You can find the sample under \My Experiments\Samples\MovieRT.

I hope this is somewhat helpful - good luck!
-dv


> I am new to EPrime, and am trying to implement a procedure in which
> four videos and an image appear on the screen at the same time, as
> well as another procedure in which five videos appear on the screen at
> the same time.  Is this possible in EPrime?  Any suggestions are
> greatly appreciated.
>


-- 
David Vinson, Ph.D.
Senior Postdoctoral Researcher
Cognitive, Perceptual and Brain Sciences Research Department
University College London
26 Bedford Way, London WC1H 0AP
Tel +44 (0)20 7679 5311  (UCL internal ext. 25311)

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