[xep-support] Re: eps into pdfs...options?

Adobe Illustrator can convert EPS to PDF or SVG.
The process can be automated with "Actions".

Bob Stayton
Sagehill Enterprises
bobs@sagehill.net

On 8/14/2014 11:19 AM, Eric J. Schwarzenbach wrote:
> Hi,
>
> This email is kind of long, so I want to preface it with a short list of
> the questions I'm looking for answers to or advice regarding.
>
> 1) Any advice / best options for converting eps files to make them
> renderable to PDF? (ghostscript vs pstoedit, vs uniconverter vs ...?)
>
> 2) If I convert the eps to pdf, to embed that pdf image during xep
> rendering, is there any way to make xep use the image bounding box of
> the image instead of the page size as the image bounding box?
>
> 3) Am I likely to have more difficulty getting an exact rendering,
> converting to SVG as opposed to PDF (or to a raster format)?
>
> 4) Any other approaches I'm missing?
>
> If anyone has advice relevant to any of these items, I'd much appreciate
> hearing it (and there's additional relevant details below).
>
> Thanks,
>
> Eric
>
> --------------------------------------------------------------------------
>
> We've been struggling with the need to use eps files in pdf renderings.
> A client of ours has a massive quantity of hi res art which they've
> produced in illustrator and have saved as eps for sending to printers
> and use in other systems. While they want to move to svg in the long
> run, it will be a while before they will be able convert / re-export all
> these files and make sure they still look right. They've been burned
> before by conversions that don't render things quite the same way,
> mucking up font positioning and such.
>
> My understanding is that xep cannot handle eps files when rendering to
> pdf, or rather it only uses the embedded preview tif, which in this
> client's case is not only poor quality, but causes the xep rendering to
> fail catastrophically with an "alpha channel unsupported" error.
> Re-exporting all their art with better tiffs is not really an option either.
>
> So we're looking at conversion options. Ghostscript seems to do a pretty
> good job of rendering to raster formats, so this at least is a fallback
> for us, but they would really like to have resolution independent
> graphics in their pdfs. Ghostscript also seems to offer a ton of
> rendering options including distiller options, so I would guess we can
> replicate whatever options the client needs to duplicate the image
> rendering they get with whatever version of illustrator they generated
> these with. (Actually using distiller might be another fall back.)
>
> So converting to PDF might be an option, as ghostscript seems to also
> produce a reasonable pdf. However the PDF seems to want to be a page,
> and we really need these to be the proper image size of each individual
> image. It's not clear to me if there is a way to do a ghostscript
> conversions where the page size is determined by the image dimensions.
> Alternately it's not clear to me if the bounding box of the image is
> preserved in the PDF and if so, whether that is something renderx can be
> made to use. In initial experiments renderx seems to use the page size
> as the bounding box of the image.
>
> Converting to SVG is another possibility. I've been playing with
> pstoedit and can get svgs out of that, though it does not seem to have
> much in the way of eps rendering options. I started looking at
> uniconverter also, and if I can ever figure out how to install their
> plugin for svg support that might be another option.
>
>
>
>
>
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Received on Thu Aug 14 19:32:21 2014