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    <p>Is there a good reason your output files are in JPEG format? EPS is a vector format, while JPEG is a lossy-compression bitmap format which is <em>specifically optimized for photographs</em> - i.e., images consisting of vaguely defined patches of variable color, as opposed to sharply defined solid areas, which is what vector images consist of. </p> <p>So in converting (rasterizing) from any vector format to JPEG, you are basically guaranteed to get ugly edge artifacts and blotchy patches in what are supposed to be solid blocks of color. This will happen no matter what you do; it is inherent to the JPEG format. The way to minimize this is setting the compression to zero, but then you are getting none of the benefits and basically have no reason to be using JPEG.</p> <p>Non-lossy bitmap formats like PNG, which is supported by all web browsers, are much better; they can give you solid colors and cleaner edges.</p> <p>If it's someone else who is specifying the JPEG format for this project, I implore you to please, please, explain this to that person. Unfortunately the vast majority of people do not understand this very basic fact about the JPEG format, and only know that JPEG is the "default" bitmap format, so the web is full of misapplied horrible-quaility JPEG bitmap images - from corporate logos of multimillion-dollar corporations to work by so-called professional graphic designers.</p> <p>If by chance your source EPS files have bitmap images embedded in them, and what you're trying to do is extract them, rather than rasterize vector data, I'm pretty sure the "ps2image" type of tools in Ghostscript will do the job instead.</p>
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    1. USPaul Richter
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