multiple mouse click recording on a single picture (not slide)

[Eszter Kormann]

Dear Paul,

thank you for your quick and amazing answer, everything works :)
However, we faced the problem of marking good and bad answers in this case,
because we only get the x and y coordinates for the clicks whereas we need
to compare this with the small pictures coordinates on the screen.
I don't know if I made it clear or not, but we would like to 1) pinpoint
the frames for the small pictures 2) define which (small) picture within
the grid is meant to be a good answer in the trial and 3) then we want the
program to decide whether the click of the responder was correct or not.
We thought that we might use something like an *if "mouse coordinate is XY"
< x1  > x2 then "YES", otherwise NO. * Sorry for the form, but
unfortunately I still don’t know this language.

I know it sounds awfully complicated, but I really need your help.

Thanks a lot in advance!!!
All the best,
Eszter


2012/11/13 Paul Groot <pfc.groot at gmail.com>

> Hi Eszter,
>
> You could change the inline script a bit, but you would first have to set
> the number of allowed responses of the inputmask to 8 (click the advanced
> button and edit max count). Then use the following script after the
> stimulus object:
>
> Dim iResponse As Integer
> For iResponse = 1 To Stimulus.InputMasks.Responses.Count
>     Dim theMouseResponseData As MouseResponseData
>     Set theMouseResponseData =
> CMouseResponseData(Stimulus.InputMasks.Responses(iResponse))
>     If Not theMouseResponseData Is Nothing Then
>         c.SetAttrib "Stimulus." & CStr(iResponse) & ".RespCursorX",
> theMouseResponseData.CursorX
>         c.SetAttrib "Stimulus." & CStr(iResponse) & ".RespCursorY",
> theMouseResponseData.CursorY
>         c.SetAttrib "Stimulus." & CStr(iResponse) & ".RT",
> theMouseResponseData.RT
>     End If
> Next
>
> I also added the response time to the output because you might need that
> too. (Or just delete that line if you don't) The attached script contains a
> working example.
>
> Normally I would prefer a separate list object with 8 'subtrials' to
> handle the individual mouse clicks. The advantage would be a more  more
> compact edat-output file(because you don't have to generate separate
> attribute names for sequential responses). Another advantage is that you
> could implement more sophisticated constructions, like highlighting the
> selected objects as soon as they are selected or terminating after a
> specific object was selected. However, the disadvantage is that it is
> slightly more complex if response time recording should be accurate.
>
> Hope this helps.
>
> Cheers,
> Paul
>
>
> 2012/11/13 Eszter Kormann <ringril at gmail.com>
>
>> Hello,
>>
>> So, once again :)
>> I have a very simple problem in connection with collecting multiple mouse
>> response coordinates. We use a single picture which consists of several
>> pictures in a 4X4 grid (I've attached a sample). People are asked to click
>> on those pictures within the grid which we had already shown to them (8
>> clicks out of 16). How can I register all of the 8 clicks's coordinates
>>  with the modification of the script linked below, which in fact works
>> perfectly well for our experiment.
>>
>>
>>
>>
>> If Stimulus.InputMasks.Responses.Count > 0 Then
>>
>> Dim theMouseResponseData As MouseResponseData
>> Set theMouseResponseData =
>> CMouseResponseData(Stimulus.InputMasks.Responses(1))
>> If theMouseResponseData Is Nothing Then
>> c.SetAttrib "Stimulus.RespCursorX", theMouseResponseData.CursorX
>> c.SetAttrib "Stimulus.RespCursorY", theMouseResponseData.CursorY
>> End If
>>
>> End If
>>
>>
>> Thanks a lot,
>> Eszter
>>
>> * *
>>
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>>
>
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