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REVENTOR

Strange Mis-Alignements in EPS Documents

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Whenever we are opening EPS Files in any Affinity Software, we have strange seperation lines which were not visible in ADOBE Software.

Is there a Solution to this Problem?

Thank you!

eps error.png

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Hello! I attached another file with the same problem. Both Affinity Desinger and Photo show those "seperation lines" in the program as well as in exports.

speration.png.f540ff45f7e87d530cec2bbba240929e.png

Opening the same file in Adobe Software it shows up without those lines. 

Thanks for having a look into it!

128750-ORL3BH-313.eps

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 Not a fix to this issue but saving as a PDF using Adobe Illustrators default PDF export settings gives a solution and appears to maintain the layer structure much better, not exact but close.

128750-ORL3BH-313 re save as.pdf


iMac 27" Late 2015 Fully Loaded, iMac 27" Mid 2011 both running High Sierra 10.13.6 - Affinity Designer/Photo & Publisher - Illustrator CC, Inkscape, Blender, Sketchup, Pepakura Designer, MTC, Pixelmator & Pixelmator Pro + more... XP-Pen Artist-22E, - iPad Pro 12.9 B|  

Affinity Help - Affinity Desktop Tutorials - Feedback - FAQ - most asked questions

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4 hours ago, REVENTOR said:

Hello! I attached another file with the same problem. Both Affinity Desinger and Photo show those "seperation lines" in the program as well as in exports.

All other Mac apps I use here which can deal with EPS show these size/placement related lines too, no matter if GC, Preview, Ghostscript etc. So only Adobe might treat those in terms of image rect portion sizing/placement differently then.


☛ Affinity Designer 1.8.3 ◆ Affinity Photo 1.8.3 ◆ OSX El Capitan

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I didn't actually download/open that EPS file. I did click on it to see the size, though. At that size of EPS, which is typically a very compact/efficient format, I would hazard a guess that the AI data is saved in that file and that then would be the portion that AI is opening, not the EPS portion everything else is going to open.

Also likely is there will be two or more clipping paths in it. Those regions, when they overlap, are notorious for breaking up images/vectors that might get rasterized in an EPS, into chunks.

It may be possible to open in AI, release the clipping masks, (likely) enlarge the artboard, then make a PDF and open that into an Affinity application more or less intact.

Mike

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28 minutes ago, MikeW said:

It may be possible to open in AI, release the clipping masks, (likely) enlarge the artboard, then make a PDF and open that into an Affinity application more or less intact.

EPS still breaks after unclipping etc.

Unclipping changes how the layers are laid out slightly but either way the resultant layers still need to be reorganised a bit to make it inline with Adobe Illustrators, but its close. In the end clipped or unclipped, it's splitting hairs and there is still work to be done.


iMac 27" Late 2015 Fully Loaded, iMac 27" Mid 2011 both running High Sierra 10.13.6 - Affinity Designer/Photo & Publisher - Illustrator CC, Inkscape, Blender, Sketchup, Pepakura Designer, MTC, Pixelmator & Pixelmator Pro + more... XP-Pen Artist-22E, - iPad Pro 12.9 B|  

Affinity Help - Affinity Desktop Tutorials - Feedback - FAQ - most asked questions

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OK. I downloaded it. It opens OK in AD, but the groups are all messed up. However, I don't have the display issues (the thin lines).

In Xara Photo & Graphic Designer, it comes in perfectly with the same groups as when opened in AI. The clipping masks are properly removed as well.

I'm using the Windows release version of AD.

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I am not sure if this can get fixed, ever, because it is an antialiasing problem.

It should not appear when you go to print, and if you need to produce a bitmap, just supersample the image (e.g., here a 10,000px wide PNG file was produced, which was then downsampled to the width of 800px). Illustrator does (or allows an option to do) exactly the same thing when it exports bitmaps. (This is not necessary when editing the original art in this particular instance, as the image is not split to separate clipping paths, but it is in many other situations where antialiasing artifacts between separate aligning shapes/curves cannot be avoided.) Supersampling of course is a viable solution only if the source is pure vector graphics, or the bitmap elements involved have enough resolution to allow supersampling; otherwise the image quality is deteriorated and blurred (in this case the image data seemed to be mostly in 300dpi so there was practically no true pixel data available for the image to be bloated to the width of 10,000px, but it's not too bad).

128750-ORL3BH-313_supersampled.thumb.jpg.bb63ae2540b86a58d8b457d2d15ed8dc.jpg

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Saving as AI and opening in AD is looking good. But ... hell ... there must be a few thousand objects. I guess the basis was a traced bitmap? Looking at the EPS in AD gives me the impression, that those thin lines won't appear in print, they are just too thin. Nevertheless, AD opens this file mostly containing images instead of vectors.

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