Problem with hit Test

Paul Groot pfc.groot at gmail.com
Mon Jan 27 21:23:44 UTC 2014 

Hi Hans,

Perhaps I'm mixing things up, but if I understand your design correctly, it
should be possible to move the sound from the Stimulus slide to a separate
SoundOut object just before the Stimulus Slide, without disturbing
anything. (Ignoring the restart label for now.) If the duration of the
SoundOut object is set to zero, the onset of the sound should (almost)
coincide with the onset of the image. (If the onset times of the stimuli
are critical, you will have to measure sound and display onsets using
suitable instruments and fine-tune your script.) I assumed your
restart-label is placed immediately before the stimulus Slide, so to
prevent the sound from restarting, you should now place it between the
SoundOut and Slide objects. (I.e., the order will be: SoundOut, Restart
Label, RecognitionSlide). If you do it like this, the sound should not
start early.

But the again: I would stay away from goto-label constructs and use a
separate List object...  If you use a list for repeating clicks, you can
even keep the sound as sub-object of the slide.

Paul

PS. I just tested this, but EPrime ran into problems when the sound file
was always the same and defined as static text property (using a filename).
When the sound file is defined as attribute, EPrime will re-initialize the
sound object every iteration, and the problem disappeared.







On 27 January 2014 11:46, <haslinger.hans11 at gmail.com> wrote:

> Hallo Paul
>
> Thank you for your help.
> Unfortunately, the Sound file is played before the slide is opened, if I
> insert the SoundOut object before the restart Label in the procedure.
>
>
> Isn't there another way to express          Else              , so that
> really nothing happens, if a click occurs in the invalid area of the slide?
>                                                                 Goto
> restart
>
>
>
>
>
> Am Freitag, 24. Januar 2014 19:11:59 UTC+1 schrieb Paul Groot:
>
>> Hans,
>>
>> I think that the solution for the restarted sound is to insert the sound
>> as separate SoundOut object before the restart label. The duration could be
>> set to zero, and stopafter to no. The The inline script should be OK,
>> although I personally prefer to use a separate list object instead of a
>> goto-label to construct a repeating loop until a valid item is clicked. By
>> using a sub-list you will automatically get all individual clicks in the
>> edat-file. You also might need a small piece of script to stop the sound.
>>
>> The problem with the overall RT should be handled by additional inline
>> script. Just subtract the RTTime of the valid response from the OnsetTime
>> of the (first) stimulus onset. You can look at the following example for
>> this: http://pfcgroot.nl/e-prime/83-example-scripts/88-
>> image-click-example.html
>>
>> Paul
>>
>>
>> On 24 January 2014 18:07, <haslinge... at gmail.com> wrote:
>>
>>> Hallo everybody
>>>
>>> I am trying to create a Task where an image (a Comic Scene)  is given as
>>> a stimulus. Simultaneously, there is a sound file played, which describes
>>> the stimulus scene.
>>> Participants should choose 1of 4 possible answers (4 Images) by clicking.
>>>
>>> So i have got a slide with 5 slide-images (1 stimulus and 4 target
>>> Images) and 1 slide-sound-out sub-object.
>>>
>>> I've used the following inLine code to define the 4 target Images as
>>> clickable targets and to check, if the clicked image is the correct answer:
>>>
>>>
>>>
>>>  Dim theState as SlideState
>>>  Set theState = RecognitionSlide.States("Default")
>>>  Dim next_mX as Long, next_mY as Long
>>>   Dim strHit As String
>>>   Dim theMouseResponseData As MouseResponseData
>>>
>>>
>>>         If RecognitionSlide.InputMasks.Responses.Count > 0 Then
>>>
>>>           Set theMouseResponseData = CMouseResponseData(
>>> RecognitionSlide.InputMasks.Responses(1))
>>>
>>>
>>>                 strHit = theState.HitTest(theMouseResponseData.CursorX,
>>> theMouseResponseData.CursorY)
>>>
>>>
>>>                       If strHit = ("Image1") or strHit = ("Image2") or
>>> strHit = ("Image3")or strHit = ("Image4")  Then
>>>                      c.SetAttrib "response", strHit
>>>
>>>                      Else
>>>                      Goto restart
>>>                         End If
>>>
>>>
>>> If strHit = c.GetAttrib("CorrectEmotion") Then
>>> RecognitionSlide.ACC = 1
>>> Else
>>> RecognitionSlide.ACC = 0
>>> End If
>>>
>>>
>>> My Problem is, that everytime you click somewhere else than the 4
>>> target Images, the Sound file and RT-measures start again.
>>>
>>> So basically i need something else than the code
>>>                        Else
>>>                       Goto restart
>>> which doesn't cause the slide to be reset.
>>>
>>>
>>> Is there any way to make everything but the 4 target Images unclickable?
>>> I hope you understand what i mean.
>>>
>>> Any help would be appreciated
>>> Best regards
>>> Hans
>>>
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