Quote:
Originally Posted by MaudlinHaus
You make some good points, but you make a bunch of incorrect statements about PDF. If you generate a PDF from InDesign, you get fully searchable, highlightable, copyable text--OCR is not in the picture at all. And if you export from inDesign with no downsampling, a 3-inch, 300dpi image in indesign is a 3-inch, 300dpi image in PDF--there's no loss there. And as I said, from the PDF source file, using CSS/html to squish 2x pixels into a given screen pixel space (a 400 px wide image gets screen pixel width="200" for example), we get high quality results on the ipad screen (I'm a little afraid of what is going on on the various HD Kindles, but I like the iPad better as a high-density screen standard.)
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No, my statements regarding PDF are not incorrect. Sure, you can extract the image from a PDF, but the quality depends on the used tools and how the PDF was constructed. It can go sour quite fast.
The example from Tex2002ans is even a nice example. Since PDF is defining where on the screen it must be, it can even put the text out of order in some cases. So, copying the text will then also be out of order. The only way you would know is by actually comparing the texts next to each other. No conversion house will do that due to the costs.