Changing image position according to xy-coordinates from mouseclicks

[Johannes Bjerva]

I managed to solve the problem through using a global variable, which is 
set by the mouse coordinates, rather than an attribute.
That is to say, the problem was not in the automatic addition of ":center", 
as I first assumed.

Problem solved! :)


On Monday, 18 June 2012 21:53:18 UTC+2, Johannes Bjerva wrote:
>
> Hello,
>
> I am currently developing an experiment in which the participants will 
> click an area of the screen, following which an image should appear in that 
> location.
>
> What I have tried so far is having a slide object containing an image 
> object. In the image object's sub-property pages I've tried to set the X 
> and Y positions to the attributes "[PicPosX]" and
> "[PicPosY]". However, once I click apply, E-Prime automatically changes 
> this to "[PicPosX]:center" and "[PicPosY]:center".
>
> In order to get the coordinates themselves, I have added this inline-code 
> after the slide object:
> Dim theMouseResponseData As MouseResponseData
> Set theMouseResponseData = CMouseResponseData(Slide1.
> InputMasks.Responses(1))
> c.SetAttrib "PicPosX", theMouseResponseData.CursorX
> c.SetAttrib "PicPosY", theMouseResponseData.CursorY 
>
> Obtaining the coordinates and setting the attributes seems to work 
> perfectly, since I can see the coordinates in the resulting data files.
> However, the image does not change positions, but remains in the center 
> (most likely due to E-Prime's :center-addition to my attributes).
>
> Any help in solving this problem would, of course, be greatly appreciated.
>
> Kind regards,
> Johannes Bjerva
>
>

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