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A
ashleyw42715064
Inspiring
December 4, 2017
Answered

Transparency in graphics - Indesign CC 2018

  • December 4, 2017
  • 2 replies
  • 2916 views

Hi

After some testing I've found that only images in .gif format seem to maintain their transparency settings when placed in indesign.

Is there any way to achieve transparency with tiff or png files?

Thanks!

This topic has been closed for replies.
Correct answer Dov Isaacs

You are wrong on multiple accounts.

(1)     TIFF and PNG files certainly do maintain transparency from Photoshop (or other reputable image editors) when placed into InDesign. You do need to be very careful about the options you choose when you save those files to specify that the transparency is to be preserved.

(2)     Clipping paths are a very nice workflow for content produced over 15 years ago. Once true transparency became part of the PDF imaging model, such of such kludges became unnecessary.

(3)     There is absolutely nothing wrong with use of PNG imagery for print. PNG files support color management and transparency. And compression is lossless and often yields better results than JPEG, especially if the content of the raster image is vector-like with large areas of constant color and lines. The only things that PNG doesn't support are (a) CMYK and LAB, (b) 16-bits per colorant, and (c) extra channels.

(4)     In terms of preserving transparency, there is absolutely no difference between placing TIFF, PNG, PSD, or PDF if the proper save options are used!

          - Dov

2 replies

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Andy_Baz
Inspiring
December 6, 2017

Bob & Dov certainly are the experts here and their advice is invaluable and should be trusted, but in my situation i still have to use clipping paths for a fair proportion of the work i create.

In an ideal world where everyone uses the latest technology and the latest kit with the latest methods applied then yes transparency issues are a thing of the past.

In my situation i produce work for my own in-house Litho/Digital printing equipment and for external printers too. Naturally any work produced for our own in house printing does not suffer from said issues. My issues generally appear when applying the more modern methods for use with short run printers or digital printers that don't use or have up to date RIP technology.

I do a lot of work for sign writers and for short run digital companies using machines like OKI's, Epson's Xerox printers etc and this is generally the most problematic areas i find.

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Now that i think about it I started in print around 15 years ago, and my RIP workflow is 10 years old so it would stand to reason my methods are out of date! .......geeez how time flies i now feel like a print dinosaur! ... Next step more training!

A
Andy_Baz
Inspiring
December 4, 2017

The answer and preferred method you are looking for, for just about all file formats is: clipping paths!

GIF and PNG transparencies, predominantly used for web, can cause issues when outputting for print.

Creating and saving a clipping paths in photoshop and then saving/exporting to chosen file format, will give you the most stable and reliable results. For many years this has (in my opinion at least) been considered the industry standard method.

However Photoshop files do also retain transparency settings, without the need for clipping paths when placed in indesign, so you could just native PSD files if available.

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ashleyw42715064Author
Inspiring
December 4, 2017

Thanks - sounds good, but I unfortunately I don't have Photoshop and am using free graphics software because I'm largely working with graphics that have been supplied by clients.

I agree about GIF and PNG and I try to avoid them usually, but I would have thought I should be able to do something with TIFF files.

I'll have a look at alternative graphics programs.

Many thanks for your advice.

A
Andy_Baz
Inspiring
December 4, 2017

A decent free alternative to photoshop can be found here...it is called GIMP!

https://www.gimp.org/

it is also open source, well documented and widely used.

But obviously always go with photoshop if you can...its worth every penny!

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