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Q
Quentin24613715oiw6
Known Participant
October 31, 2024
Question

Unexpected Lines Appearing on Exported PNG Image in InDesign

  • October 31, 2024
  • 2 replies
  • 809 views

Hi Adobe Community!

I've finsihed creating a document consisting of multiple pages and exported all of them in PNG format

(72ppi, Maximum Quality) and I noticed that on one very specific page lines appeared below specific images...

I have no clue what is causing this and I've tried exporting the page multipe times but nothing changes. 
Any Idea how I could resolve this issue? 


Thanks in advance for your replies! 

 

 

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This topic has been closed for replies.

2 replies

James Gifford—NitroPress
James Gifford—NitroPress
Legend
October 31, 2024

How is this page composed? Are those three separate images? Are the shadows part of the images, or an ID effect? I know there's a bug when things like a shadow effect occur too close to an image boundary; the solution is — IIRC — to enlarge the graphics frame holding the image so that there is interior margin.

Q
Quentin24613715oiw6Author
Known Participant
November 1, 2024

They're PNG's with alpha, that shadow is part of the image, not an added effect. 

Willi Adelberger
Community Expert
Willi AdelbergerCommunity Expert
Community Expert
November 1, 2024

Use PDF/X-4 instead PNG.

Anshul_Saini
Community Manager
Anshul_SainiCommunity Manager
Community Manager
October 31, 2024

Hello @Quentin24613715oiw6,

Thanks for reaching out. Could you let us know if this issue with lines on exported PNGs is specific to one file? If so, could you package that file and share the folder, highlighting the specific page where this occurs? We’ll investigate!

Best,

Anshul Saini

Q
Quentin24613715oiw6Author
Known Participant
October 31, 2024

It seems to be specific to this one file and to the  PNG images in the file that have transparancy. 
I managed to fix the issue by just trying to export it over and over again without alt+tabbing and eventualy it worked. I stumbled upon this older post with exactly the same issue and there they mentioned this as well.
 https://community.adobe.com/t5/indesign-discussions/exporting-pngs-with-transparency-weird-lines-on-first-import-fine-on-second/td-p/11547010 

 

Unfortunately the file is a bit confidential so I can't share it with you on here...

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