how to use E prime to display symbols and allowing participants to influence their shape?

[David McFarlane]

Stock reminder:  1) I do not work for PST.  2) PST's trained staff 
takes any and all questions at 
http://support.pstnet.com/e%2Dprime/support/login.asp , and they 
strive to respond to all requests in 24-48 hours -- this is pretty 
much their substitute for proper documentation, so make full use of 
it.  3) If you do get an answer from PST Web Support, please extend 
the courtesy of posting their reply back here for the sake of others.

That said, here is my take...

Without going into detail, you can use the Stretch property of any 
ImageDisplay or SlideImage object to make the image fit into any 
given Width and Height, and you can set the Width and Height 
properties (on the Frame tab) using attribute references.  From there 
it is just a matter of collecting responses from the keyboard, mouse, 
joystick, or whatever, and using c.SetAttrib to manipulate the 
attributes for Width and Height.  This will of course require a fair 
amount of inline code (with global variables, etc.).

If you don't know what any of that means, then first please work 
through all the tutorials in the Getting Started Guide and User's 
Guide that came with E-Prime.

-- David McFarlane, Professional Faultfinder
"For a successful technology, reality must take precedence over 
public relations, for nature cannot be fooled."  (Richard Feynman, 
Nobel prize-winning physicist)


>Im new to using E prime, and although I have the basics down, i have
>no idea how I would do this on E prime. In my experiment I need the
>participants to be able to increase or decrease the size of a symbols,
>and i need to be able to measure what size they make it. I think my
>unit of measurement will be in pixels but besides that I have no idea
>how I would be able to create this on E prime. Any help would be
>great, thanks.

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