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Resolution for EPS files

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Resolution for EPS files
MarkCDN Offline
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#1
Photo  Today, 02:19 AM
Hi, 

I read everywhere that you need to install Ghostscript to be able to open the .EPS files in GIMP. However, I never installed it and the .EPS files opens without a problem.

My question is about the resolution. I have a panel every time I open an .EPS files and the resolution is preset at 100. I can select something else and it works. Now... how do I know what the resolution was set to when the author made that file? 

I need to know because we can go from 72dpi to 300, but the opposite is not recommended.

[img]imgur.com/a/4HiIIoE[/img]
Thanks!
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denzjos Offline
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#2
10 hours ago
Some information about EPS files (look for --dpi resolution) : https://linux.die.net/man/1/epstool
You can use the ExifTool to look for the file included Exif information : https://www.gimp-forum.net/Thread-ExifTo...w-versions
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rich2005 Offline
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#3
9 hours ago (This post was last modified: 9 hours ago by rich2005. Edit Reason: typo )
(Today, 02:19 AM)MarkCDN Wrote: ..snip...
My question is about the resolution. I have a panel every time I open an .EPS files and the resolution is preset at 100. I can select something else and it works. Now... how do I know what the resolution was set to when the author made that file? 

That is an interesting question, and the short answer is no way to know the original resolution.  Just a note, Gimp 2.10 opens at 100 ppi but Gimp 3 default opens at 300 ppi.

My advice is install Inkscape. There are linux tools for extacting images ps2pdf xxx.eps out.ppm but it is not going to get the original size.

The first thing is - format.

(A) I looked through my archive (goes back 20-something years) and all the eps files are vector images. In that case there is no original size. You can import at any size you want.  Generally vectors had a nominal 72 ppi or 96 ppi.  Have a look in Inkscape to see if a vector.

quote -- I need to know because we can go from 72dpi to 300, but the opposite is not recommended.  Only true once the vector is opened and rasterized in Gimp - open the file at the size you need and do not scale.

   

(B) I had to make a 100% bitmap eps file (in PS)  (1) If you open that in Inkscape You do not get the original size. Print size in inches is converted using 96 ppi. (2)  
What you can try is: Using Inkscape save as an inkscape .eps The Inkscape .eps is text, open and look through that and with a bit of luck there might be the original size. (3)

   

Edit: If possible can you attach (zipped) an example eps file
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