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Technology Stocks : Apple Inc. -- Ignore unavailable to you. Want to Upgrade?


To: Henry J Costanzo who wrote (51775)3/21/2006 4:41:29 AM
From: Doren  Read Replies (1) | Respond to of 213181
 
Set the compression at 'best' quality and the jpgs will work fine.

.tiffs are mainly for printing they are generally uncompressed and large but BEST quality.

.jpegs were developed to be compressed at different levels. A nearly uncompressed .jpg is generally smaller than a tiff but looks almost as good. A heavily compressed .jpg will be smaller and ugly. jpg is the favored compression for images with graduated colors such as photographs.

.gifs are limited to 256 colors or less and are generally better for solid color images or images of text. This would probably be the best format for your graphs but it's no biggie.

Image compression is a bit of a voodoo art form.



To: Henry J Costanzo who wrote (51775)3/21/2006 10:30:46 AM
From: tbancroft  Respond to of 213181
 
mchjc,

You got my curiosity aroused, since I've been opening your tiff files with no problem. Interestingly, on my PC laptop, my Firefox browser opens tiffs with a Quicktime Picture Viewer plugin, while it opened the jpg file directly. The tiff was much brighter. So I then saved the tiff file to my disk, and opened it with Microsoft Office Picture Manager. It now appeared to be much more like the jpg file in brightness. Don't know what it all means, (maybe just that Apple software generally outperforms Microsoft even on non-Mac hardware) but it's not clear that you should be held responsible for PC users problems. As you noted, you can simply tell them to switch. <g>

tim