Displaying a countdown timer for participants

[Cognitology]

Hi,
I'm not sure whether this would serve as a countdowntimer in the absence of the Real Deal, but here's a quick and dirty way of drawing a progressbar (the reverse of a countdown, easily fixed). 

1. Have a textDisplay, we call it TextDisplay1, duration 1, timelimit 10000 (or end of procedure, that also works). Add keyboard.
2. Add inline after this textDisplay:

'---------
Dim cnvs As canvas
Dim percdone As Integer
Set cnvs = Display.Canvas
cnvs.PenColor = CColor("black")
cnvs.FillColor = CColor("white")

cnvs.Rectangle Display.Xres / 2-100,Display.Yres / 2-10, 200, 20 'draw bar 
cnvs.FillColor = CColor("red")
Do 'specially for David McFarlane, I'd use WHILE sneakily
    percdone = (clock.read - textdisplay2.OnsetTime) / 100
    cnvs.Rectangle Display.Xres / 2-100,Display.Yres / 2-10, 2*percdone, 20 'draw filler
    sleep 10
Loop Until ((clock.read - textdisplay1.OnsetTime) > 10000) Or TextDisplay2.RESP <> "" 'because loop until sounds silly.
'----------

It works in EP2, probably in 1 as well. It shows a bar for 10 s, overlaying with whatever is on the screen (make textdisplay1 transparent for more options), and shows until end of response or end of 10s. 


It's not fantastic, I just wrote this in a few minutes. I'm not sure, for instance, if sleep 10 is necessary, for instance - if memory serves, EP2 always adds a display.waitforverticleblank after canvas operations.
Best,
Michiel

Michiel Sovijärvi-Spapé 
Helsinki Institute for Information Technology HIIT
Aalto & Helsinki University
Finland


-----Original Message-----
From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of David McFarlane
Sent: 21. August 2014 23:06
To: e-prime at googlegroups.com
Subject: Re: Displaying a countdown timer for participants

Natalia,
Indeed, Matt Lenhart from PST posted that file to the Group over 6 years ago, back when Google Groups included a files section.  Google Groups has since discontinued that feature.  But you may still download that example directly from the PST website.  You will need to register and login there first in order to get to the Sample Programs area.

-----
David McFarlane
E-Prime training 
online:  http://psychology.msu.edu/Workshops_Courses/eprime.aspx
Twitter:  @EPrimeMaster (https://twitter.com/EPrimeMaster)

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Stock reminder:  1) I do not work for PST.  2) 
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At 8/19/2014 09:22 PM Tuesday, sunnygu wrote:
>Dear Natalia,
>As far as I know, I think there is no file 
>download section and you can try in PST 
>community since this is a discussion forum. And 
>I may suppose you can try gettimer  function in 
>eprime or search timer in help for ebasic to see 
>if there is any function you can use.
>My best,
>
>Sally
>
>å ‘è‡ªæˆ‘çš„ iPhone
>
>在 
>2014å¹´8月20æ—¥ï¼Œä¸Šå ˆ8:26，<mailto:yakunina at gmail.com>yakunina at gmail.com 
>å†™é “ï¼š
>
>>Hello Matt,
>>
>>I'm sorry if it's a dumb question, but where 
>>can I download the sample <http://CountDownClock.es>CountDownClock.es?
>>I'm new to this group and I couldn't find files 
>>section. And I'm in desperate need of the countdown timer :)
>>
>>Thank you!
>>Natalia
>>
>>On Thursday, April 17, 2008 2:37:44 AM UTC+9, Matt wrote:
>>Hello,
>>
>>Ben's advice is very good and is the method we would recommend. I have
>>added our formal sample 
>>(<http://CountDownClock.es>CountDownClock.es) to the Files section of
>>this group for reference. If you have any questions, please let me
>>know.
>>
>>Sincerely,
>>Matt Lenhart
>>PST Technical Consultant
>><http://pstnet.com>http://pstnet.com

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