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L
loïc_147
Inspiring
August 25, 2023
Answered

Alignement cote à cote mais overlap couleurs

  • August 25, 2023
  • 1 reply
  • 402 views

Bonjour,

 

Je suis en train de créer un document avec des patchs de couleurs.

Sur Illustrator je fais un alignement cote à cote de deux patchs, cependant lorsque j'ouvre mon pdf avec Acrobat, il y a une fine zone qui superpose les deux couleurs.

C'est minime sur Acrobat, mais lors du rippage du fichier la superposition est encore plus visible.

Savez-vous d'ou cela vient, et si je peux corriger ?

 

Merci d'avance

 

screenshot:

Illustrator:

Acrobat, lors du passage du curseur entre les deux couleurs

Preview dans le RIP

This topic has been closed for replies.
Correct answer loïc_147

Are you sure that there is no trapping running in either Acrobat or your RIP?


I did some further research into trapping. It seems that a trapping function called "TrapNet" is by default in PDF/X standards.

By exporting my document from Illustrator without this norm, I no longer have the problem.

Problem solved, thanks Monika for the hint 😉

1 reply

Monika Gause
Community Expert
Monika GauseCommunity Expert
Community Expert
August 25, 2023

Are you sure that they are aligned properly?

That area looks like overprinting.

Do you have trapping set up?

L
loïc_147Author
Inspiring
August 25, 2023

I've aligned them on the pixel grid, and the X;Y coordinates are correct.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I also tried using the space distribution alignment tool (space = 0), same problem.

 

 

L
loïc_147AuthorCorrect answer
Inspiring
August 28, 2023

Are you sure that there is no trapping running in either Acrobat or your RIP?


I did some further research into trapping. It seems that a trapping function called "TrapNet" is by default in PDF/X standards.

By exporting my document from Illustrator without this norm, I no longer have the problem.

Problem solved, thanks Monika for the hint 😉

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