Improve jpeg Preview Quality
Friday, July 20, 2007 by bobbyhundreds | Discussion: OS Customization
Hi,
How do I improve on the quality of the jpeg which has to be used for the preview picture of any pngs I upload for docks.
The problem I have is that the png looks crisp,clear and clean but the jpeg preview looks pretty awfull.I set the quality to 100% in pspx but it still looks poor.
Thanks in advance.
How do I improve on the quality of the jpeg which has to be used for the preview picture of any pngs I upload for docks.
The problem I have is that the png looks crisp,clear and clean but the jpeg preview looks pretty awfull.I set the quality to 100% in pspx but it still looks poor.
Thanks in advance.
Cavan1
Reply #2 Saturday, July 21, 2007 11:22 AM
If you mean you set compression to 1 from Options on save dialog, that is as good as it gets.
I just downloaded one of your icons, right clicked and saved the preview thumb, I don't see why you think they look pretty awful. A little crispness/sharpness will be lost due to the difference in the way info is saved for a jpg compared to a png.
The background you have in preview is causing a little more lose. I have the png, jpg of png I made and the preview thumb open in PSPX. Try a simpler background.
Reply #2 Saturday, July 21, 2007 11:22 AM
I set the quality to 100% in pspx but it still looks poor.
If you mean you set compression to 1 from Options on save dialog, that is as good as it gets.
I just downloaded one of your icons, right clicked and saved the preview thumb, I don't see why you think they look pretty awful. A little crispness/sharpness will be lost due to the difference in the way info is saved for a jpg compared to a png.
The background you have in preview is causing a little more lose. I have the png, jpg of png I made and the preview thumb open in PSPX. Try a simpler background.
bobbyhundreds
Reply #3 Saturday, July 21, 2007 11:41 AM
Reply #3 Saturday, July 21, 2007 11:41 AM
Thanks for the advice Cavan1,I think I'll use a simpler background in future as you suggest.
Cheers.
Cheers.
Lantec
Reply #4 Saturday, July 21, 2007 11:44 AM
Reply #4 Saturday, July 21, 2007 11:44 AM
The problem with jpegs is that each time you or anyone else saves them you "loose" something of the original. That's why it's called a "lossy" format. You may also suffer degradation if you resize the previews. I'd suggest staying with the psimage format until you "export" your finished product to both png and jpg.
bobbyhundreds
Reply #5 Saturday, July 21, 2007 11:58 AM
Reply #5 Saturday, July 21, 2007 11:58 AM
Thanks Lantec.I get what you mean about 'lossy'.I'll minimize the ammount of saves/exports.
Cheers.
Cheers.
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Reply #1 Saturday, July 21, 2007 10:54 AM