Tex2002ans said:
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There are multiple PNG compression programs out there, I personally use ScriptPNG (There is also OptiPNG, PNGCrush, etc. etc.). This allows easy, drag and drop the files onto the batch file:
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I've tried OptiPNG and PNGCrush, got no better results than my trusty old PaintShopPro, but I will give ScriptPNG a try. Thanks for that!
Tex2002ans said:
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I usually keep the book covers as JPG. I shoot for is a MAX of ~300-400 KBs covers, with a 800x1200 resolution.
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I hope this isn't considered too much of a hijack, but slipping back to images...
This thread interested me in future-proofing illustrated books.
Everyone has been discussing cover images, or books with only a handful of illustrations and charts.
I'm currently working on a Mark Twain book with over *300* quarter-, half-, and full-page illustrations, and I use max of 600x800px. I fully expect the final book size to exceed 15mb, probably more. If I increase resolution to 800x1200, the book will double in size.
I hesitate to split this book into multiple volumes. Perhaps I should only consider higher resolution images when there aren't hundreds of them?
What are your thoughts?