displaying numerous large image files quickly

[Mark Swindell]

This looks very promising.  I'll play around with it later.  Thanks, Klaus.
Mark

On Feb 22, 2010, at 8:02 AM, Klaus on-rev wrote:

> Hi Mark,
> 
>> I'm working on a simple game of concentration for the kids I teach.  
>> 
>> I have 24 small image rectangles grouped on a card that are populated in a repeat loop which sets their fileNames to line x of a list of filenames held in a variable.  These files can be large images.
>> 
>> lock screen
>> put the seconds into vSecs
>> repeat with x = 1 to 24
>>   set the filename of image x of group "imageGroup" to line x of vPopulate
>> end repeat
>> unlock screen
>> put (the seconds - vSecs)
>> 
>> The above takes 5 seconds (which is close to an eternity...)
>> 
>> Is there a faster way to make this happen, or should I simply make a progress bar and not worry about it?  
> 
> did you try to use QuickTime player objectys, if that is an option?
> 
> I remember that I made some test a couple of years a go and the winner was a QT player, here my results from 2006.
> I used a Rev image object, Trevors Enhanced QuickTime Extrenal saved I pulled an image in the desired size to disk
> and I set the filename of a Rev image.
> 
> The results are quite impressive!
> Please remember that I do the tests on my "ancient" G4 with 1 Ghz but 1 GB RAM :-)
> 
> ##############################
> I set the filename of a Rev image, computed the correct size from the "formatted dimensions" and adjusted heigth/width accordingly, same for players.
> Dimensions are in pixels, times in milliseconds.
> 
> Image dimensions: 2560*1920
> Thumbnailsize: 60*60
> qtsnap2var: 572
> Rev img: 1786
> Player: 78 !!!!
> 
> Image dimensions: 2560*1920
> Thumbnailsize: 100*100
> qtsnap2var: 585
> Rev img: 1822
> Player: 85
> 
> Image dimensions: 2560*1920
> Thumbnailsize: 150*150
> qtsnap2var: 563
> Rev img: 1896
> Player: 75
> 
> Image dimensions: 2560*1920
> Thumbnailsize: 200*200
> qtsnap2var: 585
> Rev img: 1822
> Player: 79
> 
> Image dimensions: 2560*1920
> Thumbnailsize: 300*300
> qtsnap2var: 780
> Rev img: 1924
> Player: 76
> 
> Image dimensions: 3440*2580
> Thumbnailsize: 150*150
> qtsnap2var: 742
> Rev img: 2991
> Player: 74
> ##############################
> 
> Hope this helps!
> 
>> Thanks
>> Mark
> 
> Best
> 
> Klaus
> 
> --
> Klaus Major
> http://www.major-k.de
> klaus at major.on-rev.com
> 
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