Surface

New Here ,
Jan 13, 2022 Jan 13, 2022

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Bonjour, je souhaiterai connaitre la procédure à suivre pour calculer la surface de texte imprimé sur un document en %.

D'avance, merci pour aide

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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En pourcentage de quoi ? De la surface des pages ? Je ne vois pas comment c'est possible. Et par curiosité, dans quel but ?

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New Here ,
Jan 13, 2022 Jan 13, 2022

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Le but je ne le connais, je cherche juste à répondre à une demande.

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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Je ne vois vraiment pas comment cela serait possible. À moins qu'il existe un logiciel (pas InDesign) capable d'analyser les zones noires d'un PDF ou d'une image.

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New Here ,
Jan 13, 2022 Jan 13, 2022

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Dans Illustrator peut-être ?

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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Je ne crois pas, mais je connais très mal Illustrator. Mais encore une fois, je ne vois pas comment on peut calculer la surface occupée par un texte. Il faudrait être capable de calculer la surface de chaque lettre, et d'ignorer les images, les aplats, les filets.

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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Print shop estimators often have guides to estimate the amount of ink coverage on a page.

 

Bevi Chagnon | PubCom | Designer & Technologist for Accessible Documents
| Books & Classes | Accessible InDesign | Accessible PDFs | Accessible MS Office |

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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Yes, that came to my mind but how to ignore images, and so on?

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Adobe Community Professional ,
Jan 13, 2022 Jan 13, 2022

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Not sure, but estimators do account for the CMYK ink builds in images, as well as text coverage.

I bet there's a modern program to do this for the prepress/press industry. They need to calculate how many cans of K ink they'll need to run the project.

 

A quick "Duck" search (DuckDuckGo) brought up this possibility from EFI / Fiery: https://www.efi.com/library/efi/documents/448/efi_metrix_multicraft_cs_en_us.pdf  Dosn't have specific features, but I'd assume it has some tool for this.

 

A program could scan the pages of the press-quality PDF and count the pixels of pure white versus pure K and a mix of CMYK/RGB/spot.

 

I'm assuming this; it's been a helluva long time since I was in the prepress department!

 

Bevi Chagnon | PubCom | Designer & Technologist for Accessible Documents
| Books & Classes | Accessible InDesign | Accessible PDFs | Accessible MS Office |

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