Better thumbnails

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Better thumbnails

by Tore Geir Thoresen :: Rate this Message:

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Hi,
Using "TrFile_CreateThumbnail" I think the quality of the smallest  
thumbnails are not very good, is it possible to include some filter or  
whatever is needed? It seems the antialiasing option dosen't do it.

Regards Tore

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Re: Better thumbnails

by Tjebbe van Tijen via Chello :: Rate this Message:

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You do not specify what your original picture is ...
that would help others to answer your question

but as I do have to resize often pictures and I am using both Troi  
and InsideScan for such jobs, my experience is that some quality loss  
occurs...

when quality of a small picture really matters I use Adobe Photoshop  
(CS3 Extended) or Graphic Converter to do the job and both  
applications are scriptable ... I am a mac user so I use Applescript  
to let Photoshop do the job ...

Important settings are the 'Bicubic Sharper' (best for reduction)

http://www.adobe.com/devnet/photoshop/pdfs/ 
photoshop_cs3_applescript_ref.pdf

This is how such a script for the Mac can look #1, #2, #3 are  
variables set by Filemaker before having Filemaker run the  
Applescript ...

tell application "Adobe Photoshop CS3"
        set display dialogs to never
        set theFile to alias "#1"
        set theFilePath to "#2" as string
        set type units of settings to pixel units
        set ruler units of settings to pixel units
        open theFile with options {mode:RGB, resolution:72, use  
antialias:true, constrain proportions:true}
        set docRef to current document
        resize image docRef height #3 resample method bicubic sharper
        tell docRef
                save as PNG in theFilePath
        end tell
        close current document without saving
end tell

maybe this point you in the right direction (PNG could be JPG... and  
my advise for small thumbnials is at least setting the quality level  
of the JPG at high / 8)

Tjebbe van Tijen



On 9-jul-2008, at 14:51, Tore Geir Thoresen wrote:

Hi,
Using "TrFile_CreateThumbnail" I think the quality of the smallest
thumbnails are not very good, is it possible to include some filter or
whatever is needed? It seems the antialiasing option dosen't do it.

Regards Tore

_______________________________________________
The Troi plug-list mailing list
plug-list@...
http://mail.troi.com/mailman/listinfo/plug-list_troi.com

_______________________________________________
The Troi plug-list mailing list
plug-list@...
http://mail.troi.com/mailman/listinfo/plug-list_troi.com
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