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Bleed issue with PNG graphic exporting to PDF

Forum|Forum|8 years ago
June 28, 2017
9 replies
2148 views

Hello all,

Hoping someone can provide a tip to solve the below:

The above image is a PNG imported into an .indd document; whenever I export to PDF, that annoying bleed pops up, which makes me think it has something to do with my PDF export settings?

Any tips are much appreciated! Thank you

This topic has been closed for replies.

Correct answer Luke Jennings

I believe that little flat spot is caused by anti aliasing at the outside edge of the image. You can fix it several ways;

1. Increase the canvas size of the image in Photoshop, adding white.

2. Add a clipping mask in Photoshop and save as a .psd

3. Add and delete anchor points in InDesign to mask the image, as shown in this screen shot.

JR Boulay

Community Expert

No, I was talking about PDF/X-1 and X-3 because they are presets with transparency flattening.
The PDF/X-4 is OK now, unlike its first version.

Acrobate du PDF, InDesigner et Photoshopographe

T

Test Screen Name

Legend

So JR you still say PDF/X-1a and PDF/X-3 are better than PDF/X-4? Why?

JR Boulay

Community Expert

Sorry.

I wanted to say that presets are not OK because transparency flattening is not optimal, but it is not the only issue.
I know that transparency flattening concerns only PDF 1.3 and earlier versions.

I don't think you mean to say these are the best presets right?

"The less bad" should be a better translation, according to Google Translate.

Acrobate du PDF, InDesigner et Photoshopographe

H

hollyh123Author

Participant

Thanks everyone for these tips; just to clarify, the little extra spot that pops up at the corner on the image, ONLY happens when I export to PDF. When I have the image open within the .indd doc, the image has crisp edges with no issues...

Luke JenningsCorrect answer

Inspiring

I believe that little flat spot is caused by anti aliasing at the outside edge of the image. You can fix it several ways;

1. Increase the canvas size of the image in Photoshop, adding white.

2. Add a clipping mask in Photoshop and save as a .psd

3. Add and delete anchor points in InDesign to mask the image, as shown in this screen shot.

Willi Adelberger

Community Expert

No, if you add a clipping mask in Photoshop you should save that file as PDP or PDF. When you place a PSD in InDesign the cliping mask would be rasterized which is not happening with PDF.

Luke Jennings

Inspiring

A .psd with a photoshop clipping mask placed into InDesign will not have a raster edge.

rob day

Community Expert

It's not clear what you mean by bleed. In the print world it generally refers to an extra amount added to the page size in order to allow for inaccurate trimming. Your screen captures seem to be showing some kind of scaling or resampling.

Derek Cross

Community Expert

Yeah Rob, I agree, it is unclear, maybe it's the aliasing of the edge the OP is asking about.

JR Boulay

Community Expert

See this article about PDF/X-4: https://translate.google.fr/translate?sl=fr&tl=en&js=y&prev=_t&hl=fr&ie=UTF-8&u=https%3A%2F%2Fwww.abracadabrapdf.net%2Ff…

"Cri cri" is Christian B., an active member of the Ghent Workgroup.

Acrobate du PDF, InDesigner et Photoshopographe

JR Boulay

Community Expert

All presets sucks, mostly because of transparency flattening but there are other reasons.

PDF/X-1 and PDF/X-3 are the least worst.

Those are OK (clic the red button to download): https://www.abracadabrapdf.net/utilitaires/utilitaires-pdf/parametres-predefinis-dexportation-en-pdf-pour-adobe-creative…

Or directly in English: https://translate.google.fr/translate?hl=fr&sl=fr&tl=en&u=https%3A%2F%2Fwww.abracadabrapdf.net%2Futilitaires%2Futilitair…

Acrobate du PDF, InDesigner et Photoshopographe

Derek Cross

Community Expert

I thought PDF/X-4 was the preset recommended for commercial litho printing (unless the printer had supplied a spec).

Derek Cross

Community Expert

Which version on InDesign and OS?

It's not clear what the issue is, can you explain a bit more.

Presumably you're Placing the image.

Which PDF preset are you using?

H

hollyh123Author

Participant

I am working with InDesign CC 2017, and OS X Yosemite 10.10.5

I am placing the PNG graphic into the .indd doc; when I am working within the .indd doc, the PNG image looks perfect with no bleed or quality issues. However, when I export the document into PDF format that extra smudge is popping up at the corner.

As far as the PDF preset, it is set to "High Quality Print"and compatible with Adobe Reader 5.0..

Willi Adelberger

Community Expert

Do you have a better file type than PNG? Why do you use PNG? What is on the image?

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