images randomized

[Edgar Mesquita]

Hi,
Thanks a lot. It's perfect.
 
My best regards
 
Edgar


Date: Wed, 9 Apr 2008 16:45:14 -0400From: baltimore.ben at gmail.comTo: e-prime at googlegroups.comSubject: Re: images randomizedstart a new eprime file. 
drag a list item to the top of your.  if you have 20 images, make sure there are 20 rows in your list.  now add a column to your list.  instead of "Attribute1" call it something meaningful, like "pictures".  on each of the 20 rows type the name of one of your picture files.  be sure to include ".bmp" on the end of each filename.  also on every row, under the "Procedure" column, type "ShowPicsProcedure" and when it asks if you want to create this procedure say yes.  put that same procedure on each row of the list.  set the list to Random (without replacement).
now go to your ShowPicsProcedure timeline, and add an ImageDisplay object, "ImageDisplay1".  in the properties for this object, select one of your image files.  doesn't matter which image file you select, because we're going to write a little code to switch the image each time a new trial runs.  also in the properties for ImageDisplay1 allow it to accept keyboard responses, and tell it to terminate when a response is received.  now drag an Inline object, "Inline1" onto the procedure timeline above/before your ImageDisplay1 object.  open up Inline1 and type:
ImageDisplay1.Filename = c.GetAttrib("pictures")
ImageDisplay1.Load

that should pretty much do it.

On Tue, Apr 8, 2008 at 2:06 PM, edgar mesquita <edgarmesquita at hotmail.com> wrote:
Hi there,I´m trying to do the following experiment: I have 20 images that iwant to be presented randomly with limited time duration (this I knowhow to do). The only kind of response (by the subject) that I want istime based (I will be measuring time). I've read the manuals butcouldn't find anything of use. Can anyone help mepleaaaaaaaaaaaase..I'd really appreciate it_________________________________________________________________
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