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My $100 EPS Challenge

I just finished listening to episode 68 of InDesign Secrets podcast and the comments on the usefulness of EPS files bothered me.

So, here’s my challenge:

I will give $100 to the charity of your choice if anyone can give me a legitimate reason to save bitmapped images as EPS files.

Here are the details:

The file is created in Adobe Photoshop for placement in a page layout program.

Page layout software includes InDesign 2 or later or QuarkXPress 4 or later.

The page layout file is to be output by a modern imagesetter RIP or direct-to-plate output. This does not include ancient RIPS or specialty RIPS such as sign plotters.

Legitimate reasons include any feature in an EPS that cannot be equaled using any of the following: Photoshop, TIFF, or PDF.

For the first person to respond with a legitimate reason, I will give $100 to your favorite charity in your name. Responses will be posted here on InDesign Secrets.

I retain the option to answer any comment with an explanation of how that feature can be equaled using the three file types mentioned above.

If no one does come up with a reason by Feb. 1, I will give $100 to my local Breast Cancer support group in my name.

OK?

Let ‘er roll!

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Comments

54 Comments on “My $100 EPS Challenge

  1. Well, i need to make an duotone indesign book, 1 specific red en 1 specific blue, but i also need to export it to pdf for preview and the document refuses to export the cmyk+2 spotchannels .psd, but it will export the multichannel .eps. Now, after reading Klaus Norby’s method, I just spent alot of time making the cmyk+2 .psd s, now i can’t get em into a regular color space anymore…

  2. There seems to be some communication gap regarding the term “bitmapped image” as it it used in the challenge description. Photoshop calls any 1-bit (black & white) image “bitmap” for color mode; Windows has a Bitmap file format with the extension BMP; Any pixel-based image can be described as bitmapped (sometimes called raster).

    I hardly ever use the Photoshop EPS format. I will generally save a color photo or line art as a TIFF with LZW compression. Our imagesetter has problems with JPEG-encoded EPS files, and high-res images can be huge if not compressed some way.

    The benefit to EPS images is that they always print every pixel. TIFF images often get subsampled when printed from Quark, PageMaker, InDesign, etc. Quark has an option called “Full Resolution TIFFs” to handle that issue. InDesign and PageMaker have similar options.

    Printing a screen shot without turning on the Full-res-TIFF option will surely yield unsatisfactory results. Quark on a Mac also has a bug (feature?) where the PDF Export uses the Full-Res-TIFF option only if you have it selected in the print window.

  3. Just catching up on the outcome of this great contest.

    Jak, I would be interested in learning more about your work flow for this process.

    …I created separations for orange and blue (without a 3rd party tool) by manipulating the cyan, magenta and yellow channels in Photoshop and proofed to spot color Matchprints…If there is no software for 2-color separations, I could be persuaded to write an article on how to do it if there is interest…

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