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Reconstituting an emailed EPS file

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  #1  
Old 02-27-2008, 02:46 PM
ktg222 ktg222 is offline
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Reconstituting an emailed EPS file

I posted this on another forum but got little response. I thought I would try here.

A reputable photo studio in my area who does all the photography for a national magazine has an interesting way to sent files back and for from his studio to his client; and visa versa. He shoots a 1Ds MkII.

Apparently, he takes a tiff file and saves it as an EPS file in the High Quality JPEG mode. He emails the file to the client. The file is small so it is easy to send via email. The client, once receiving the file, opens the EPS file in Photoshop and saves as a full tiff, or a PSD file.

What do you think of this method? Is he really just saving a high level jpeg and just changing the format on the other end? There must be compression involved of course. What are the quality issues?

I did a test and the EPS file is 3.24 MB once saved from a tiff or PSD. It was then emailed normally and then re-opened in PS, saved as a PSD, and the size was 43.67 MB.

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k
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Old 02-27-2008, 02:54 PM
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Swampy Swampy is offline
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Re: Reconstituting an emailed EPS file

Interesting, K. The only time I ever save as EPS is when there is transparency involved. Never thought of saving for file size.
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Old 02-27-2008, 03:59 PM
ktg222 ktg222 is offline
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Re: Reconstituting an emailed EPS file

Dee,

This is interesting. This photographer has been doing this for years. If I mentioned the publication you would know it. Someone here will know the answer. I suspect that all that is being done is a simple conversion to a hi rez jpeg. What the EPS feature does I'm not sure.

byRo? Doug?

k
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Old 02-27-2008, 04:45 PM
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Damo77 Damo77 is offline
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Re: Reconstituting an emailed EPS file

Yes, it seems like bunkum to me. Jpeg compression is jpeg compression, whether it's hidden in an EPS or not.

I didn't think anyone used EPSs any more. They're pretty much a relic now.
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Old 02-27-2008, 05:02 PM
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Doug Nelson Doug Nelson is offline
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Re: Reconstituting an emailed EPS file

Yeah, what Damien said. It's just a JPG in a wrapper.

I run into a lot of old-school Macites that still feel EPS is some sort of magic voodoo file format. And I can appreciate why they came to feel that way, since Macs handled EPS natively, and EPS was built to be able to contain just about any other file format.

EPS has evolved into PDF, and the new Macs still handle PDFs natively. But as far as graphic files go, it's still just a wrapper.
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Old 02-27-2008, 06:16 PM
ktg222 ktg222 is offline
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Re: Reconstituting an emailed EPS file

That seems to make sense, Doug. But why then when you save that EPS file as a tiff or a PSD does the file size jump to a 43 MB file from the EPS/jpeg file of 3.4 MB?

k
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Old 02-27-2008, 06:21 PM
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Re: Reconstituting an emailed EPS file

Damo:

>>>I didn't think anyone used EPSs any more. They're pretty much a relic now.

It may be a "relic" in the world of digital images, but still in use every day for vector files.
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Old 02-27-2008, 06:36 PM
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Re: Reconstituting an emailed EPS file

Ha ha! Yeah, of course, so do I. I just meant for raster images.
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Old 02-27-2008, 06:37 PM
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Re: Reconstituting an emailed EPS file

Quote:
Originally Posted by ktg222 View Post
That seems to make sense, Doug. But why then when you save that EPS file as a tiff or a PSD does the file size jump to a 43 MB file from the EPS/jpeg file of 3.4 MB?
Well, it's simply decompressing it back to its original size.
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Old 02-27-2008, 06:46 PM
ktg222 ktg222 is offline
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Re: Reconstituting an emailed EPS file

Damo,

So in the initial EPS/jpeg conversion and the re-saving as a tiff (where the file size jumps back to a 43 meg file) there should/would be some degridation, yes? I can't see any.

k
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