Not too sure if anyone has ever asked this, but what are the differences between "None" and "Interlaced" when saving PNGs? I never notice any differences when I save...
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Saving PNGs
Started by M2B, Aug 02 2006 01:45 AM
2 replies to this topic
#1
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Young Padawan
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Posted 02 August 2006 - 01:45 AM
#2
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- Publishing Betazoids
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Posted 02 August 2006 - 01:51 AM
Non-interlaced is smaller then interlaced. I also think non-interlaced images show it load instead of waiting to load then show the image.
What I mean by the load is
usually images I see that are png that have to load usually show scanlines as it loads and it pixelates and slowly becomes more quality(if its a big image and takes forever to load)..
Thats all I notice.
What I mean by the load is
usually images I see that are png that have to load usually show scanlines as it loads and it pixelates and slowly becomes more quality(if its a big image and takes forever to load)..
Thats all I notice.
#3 _*Zenom_*
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Posted 02 August 2006 - 02:28 AM
Interlacing a png makes the file size larger. But thats not the point. The point of interlacing PNG images is to make it more convenient for dial-up users. Instead of a regular 1 dimensional pass that most non interlaced images do, PNG interlaced loads in 2 dimensional phases. It will basically display the image before its loaded, then as more phases are loaded into the png, the quality of the image enhances. There really is no difference for users on cable, but for users on dial-up you will notice a very large difference.
Edited by Zenom, 02 August 2006 - 02:28 AM.
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