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M
mganans
Participant
April 21, 2020
Question

Problem using EPS files from Inkscape

  • April 21, 2020
  • 3 replies
  • 1711 views

My publisher is composing a book with Indesign using EPS exported from Inkscape. Most of them work fine, but a few with colour gradients appear wrong (on screen and printer).  I have tried to read those EPS files with online tools and they look right. Any idea which could be the problem?.

 

 

 

This topic has been closed for replies.

3 replies

L
Community Expert
LaubenderCommunity Expert
Community Expert
April 22, 2020

Hi Rob,

don't think, that the saved or exported files from Inkscape can be CMYK ones.

With Inkscape one can define CMYK values, yes, but the export as EPS will be in RGB.

 

Did a rectangle with 0c 100m 0y 10k in Inkscape.

Exported to EPS. Looked into the PostScript code:

 

/rg { setrgbcolor } bind def
0.898039 0 0.898039 rg

 

That means my set CMYK fill color of the rectangle was exported to:

RGB 229, 0, 229

 

Regards,
Uwe Laubender

( ACP )

    M
    mganansAuthor
    Participant
    April 22, 2020

    Thanks to both of you. I´ll check all these ideas with the editor to see what she is using and how can we solve the problem.

     

    Meanwhile, I checked the pdfs files with an Epson Stylus Photo T50 and using my tests with InDesign 2020, they printed perfectly. But I´ll check with the editor which system Amazon KDP uses for printing. She has done that before.

     

    Best regards,

     

    Miguel

    rob day
    Community Expert
    rob dayCommunity Expert
    Community Expert
    April 22, 2020

    Vector EPSs can’t have embedded color profiles, so it sounds like your problem with gradients might relate to color management.

     

    If the output is to a composite printer (i.e. inkjet), and the EPSs are CMYK with no profile, the composite printer might not be able to color managing the CMYK color correctly. Most composite color printers expect profiled RGB color and make the final color managed conversions via the printer software. Is the final output to an offset press or a digital composite device?

      BobLevine
      Community Expert
      BobLevineCommunity Expert
      Community Expert
      April 22, 2020
      What's wrong is that they're EPS files. That format is nothing short of archaic.

      Is there any other format Inkscape can export to?
        M
        mganansAuthor
        Participant
        April 22, 2020

        Thanks for your answer. Yes, Inkscape can export to other formats, but the pusblisher told me EPS was the best to upload the book to Amazon. But after my post, yesterday I got a trial copy of Indesign 2020 and tried the same files (EPS and the original SVG now supported directly), and they look perfect. Maybe it´s a bug of the version the pusblisher is using.

        Here are the Inkscape options, anyway:

        And I´m including a screen capture of the PDF result of the test I did with INdesign 2020.

         

        Best regards,

        Miguel

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