Image Display Problem in Feedback Object

[ben robinson]

i think your problem may be with "c.SetAttrib".
by setting the attrib at the current context level, you're not actually
placing the file name for your feedback .bmp in a place that is then
accessible to your feedback slide which runs at the end of the block.
a couple of options:

FeedbackList.SetAttrib 1, "FeedbackBar", "stimuli/Feedbackbar4.bmp"
then have your feedback slide run within a feedback procedure called from
FeedbackList.

alternately

do all your If...Thens, but then rather than set an attribute in a list with
the name of a .bmp, directly set the name for the image within your
FeedbackObject.
Dim theImage As SlideImage
Set theImage =
CSlideImage(FeedbackDisplay1.States(FeedbackDisplay1.ActiveState).Objects("ImageName"))

i pretty much just copied and pasted the above script from the help file for
"SlideImage Object (topic)"

hope some of that is helpful.

ben


On Mon, Mar 16, 2009 at 12:48 PM, Paul (University of Granada) <
pollmoi at gmail.com> wrote:

>
> Hello:
>
> As im new in programming on e-prime, ill like to have some help whit
> one issue.
>
> Im trying to programm a block feedback display, which depends on the
> mean RT of the hole block. For this i have prepare a Feedback bar
> which has 4 different presentation. The first has to be presented if
> the subject RT is > 1100, the next between 1100 and 1000, the next
> between 1000 and 900 and the last between 900 and 800.
>
> I have an InitiateVariable InLine Text, at the beginning of the
> session that states:
>
> Set TargetRT = New Summation
>
> At the end of each trial, I have a Counter InLine text that states:
>
> TargetRT.AddObservation c.GetAttrib("Target.RT")
>
> Then at the end of each block i have an Feedback calculation Inline
> that states:
>
> 'Calculation of Mean RT for Rt feedback bar
> If TargetRT.Mean >= 1100 Then c.setAttrib "FeedbackBar","stimuli/
> Feedbackbar1.bmp"
>
> If TargetRT.Mean > 1000 and TargetRT.Mean < 1100 Then c.setAttrib
> "FeedbackBar", "stimuli/Feedbackbar2.bmp"
>
> If TargetRT.Mean > 900 and TargetRT.Mean < 1000 Then c.setAttrib
> "FeedbackBar", "stimuli/Feedbackbar3.bmp"
>
> If TargetRT.Mean > 800 and TargetRT.Mean < 900 Then c.setAttrib
> "FeedbackBar", "stimuli/Feedbackbar4.bmp"
>
> I have put a feeback object whit an image display box, which has a
> reference to the attribute FeedbackBar. This attribute is a .bmp image
> that depends on the conditions describes above. It seems that the
> script doesnt has a problem, but when the experiment gets into the
> feedback object it appears an Error (11041, which i have look for in
> the user guides and is not listed) and the scripts error states:
>
> 'Image3
>         Set BlockFeedback_SlideImage = CSlideImage
> (BlockFeedback.States(BlockFeedback.ActiveState).Objects(6))
>         BlockFeedback_SlideImage.Filename = c.GetAttrib
> ("FeedbackBar")
>         BlockFeedback_SlideImage.Load (THE ERROR APPEARS IN THIS
> LINE)
>         Set BlockFeedback_SlideImage = Nothing
>      BlockFeedback.States("Correct").DisplayName = ""
>      Case "Incorrect"
>
>      BlockFeedback.States("Incorrect").DisplayName = ""
>      Case "NoResponse"
>
>      BlockFeedback.States("NoResponse").DisplayName = ""
>      Case "Pending"
>
>      BlockFeedback.States("Pending").DisplayName = ""
>   End Select
>
> I have look for this in the useerguides, and in the E-Prime Google
> groups, but havent found an answer yet... ill be thankfull if you can
> help me whit this....
>
> Thank you
>
> Paul
> >
>

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