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Changes between Version 7 and Version 8 of ThumbNails


Ignore:
Timestamp:
01/07/08 18:32:31 (6 years ago)
Author:
bo <bo@…>
Comment:

Image Quality

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  • ThumbNails

    v7 v8  
    2727 * What dependencies are we comfortable with? 
    2828   * Preference for limiting it to the Python Imaging Library only. 
    29   
     29 * Image Quality using PIL 
     30   * PIL has some serious quality problems for 'professional quality' images 
     31   * Metadata destruction issues with PIL (wiping IPTC data, ICC profiles, EXIF data for instance) 
     32   * No Color Profile Support (or 'hard to deal with' Profile support) 
     33   * PIL and Large Files (20 MB Tiffs for instance) in a Web Environment = Bad 
     34   * Lots of Thumbs on a page (i.e. 20+)  .. In memory constant converting not so good for server performance ..  
     35     * file caching is a must 
     36   * Advanced Sharpening/Contrast enhancements for very small thumbs 
     37   * SOLUTION:: ImageMagick .. and 'convert' (http://www.imagemagick.org/script/convert.php) (PyMagick is really not suitable for most things) 
     38      * Yes! Command line, but in a 'web' environ .. separate fork to deal with Memory and _large_ files 
     39      * use of 'convert' should at least be a setting option for those that want quality 
    3040 
    3141== Other Notes ==