Large Canvas fails to create pixel perfect artwork (the extra pixel problem is back)

Explorer ,
Nov 27, 2020 Nov 27, 2020

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I've been struggling to create pixel perfect artwork using the new Larger Canvas Format launched in version 24.2 of June this year.  I can't reproduce the problem when using the regular sized canvas whereas the problem occurs every time when using the larger canvas format. 

 

Here is how to test/ recreate the problem:  

  I create 3 rectangles (2 px height, 100 px length) with only fill and no stroke.  When I zoom to max to view them using pixel preview they appear as they should with no bleeding (see the LEFT side of the attached image) but when I export for screens  & bring the png back in there is overlap/ bleeding (see the RIGHT side of the attached image).  

 

Here is an example project:  https://drive.google.com/file/d/1ajReDTOvGS8uOW6EAMooaMUJDuD1e6vm/view?usp=sharing

 

  I've set the reference points for all artwork & artboards (I have a few) to the top left and taken every step to ensure that everything in the project is pixel perfect including ensuring that all positions are in whole pixels (no fractions).  

  I'm using global rulers (not artboard rulers).

 

  If I want to avoid the overlap/ bleeding between pixels I must use a regular sized canvas and yet a regular sized canvas isn't wide enough for my project.  Dead end?  


  As I'm programing LED props (each pixel is 1 LED) even 1 px difference becomes a very visible problem.  Thanks for any further ideas/ solutions.  

 

Jen

ps.  The problem appears when using CC Libraries and viewing in PS so it doesn't seem to have to do with the export for screens option.  

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Bug, Draw and design

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correct answers 1 Correct Answer

Adobe Community Professional , Nov 27, 2020 Nov 27, 2020
To make sure that the Illustrator engineers notice this problem, mention it here: https://illustrator.uservoice.com and refer to this post and this one: https://community.adobe.com/t5/illustrator/the-solution-to-the-extra-pixel-problem/m-p/11630194?page=2#M253970

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Adobe Community Professional ,
Nov 27, 2020 Nov 27, 2020

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To make sure that the Illustrator engineers notice this problem, mention it here:

https://illustrator.uservoice.com

and refer to this post and this one:

https://community.adobe.com/t5/illustrator/the-solution-to-the-extra-pixel-problem/m-p/11630194?page...

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