RetouchPRO

Go Back   RetouchPRO > Technique > Image Help
Register Blogs FAQ Site Nav Search Today's Posts Mark Forums Read


Image Help Got a problem image? Don't know where to begin? Upload images and ask our users what they think or if they can help

Moire pattern visible when printed.

Reply
 
Thread Tools
  #1  
Old 04-12-2012, 01:10 PM
Jo Jo Jo Jo is offline
Junior Member
 
Join Date: Sep 2006
Location: Richmond, Surrey, U.K
Posts: 5
Moire pattern visible when printed.

Hi All,
I've been sent an image by a client which has a moire pattern when viewed at 65.2% and below, however, when viewed at 100% you cannot see it. Now I know that this should not show up when printed but the client assures me that it does (it's been printed in the USA and the UK at high quality printers)
Any suggestions anyone? Really would appreciate your help.
Reply With Quote top
  #2  
Old 04-12-2012, 01:52 PM
mistermonday's Avatar
mistermonday mistermonday is offline
Moderator
Patron
 
Join Date: Dec 2005
Posts: 3,028
Re: Moire pattern visible when printed.

There's no way to tell without seeing a sample. Can you attach an image or part of an image with the affected area?
Regards, Murray
Reply With Quote top
  #3  
Old 04-12-2012, 02:13 PM
Jo Jo Jo Jo is offline
Junior Member
 
Join Date: Sep 2006
Location: Richmond, Surrey, U.K
Posts: 5
Re: Moire pattern visible when printed.

Sure, thanks Murray.
Attached Images
File Type: jpg Moire.jpg (92.1 KB, 68 views)
Reply With Quote top
  #4  
Old 04-12-2012, 03:52 PM
pixelzombie pixelzombie is offline
Senior Member
 
Join Date: Jan 2006
Location: chicago
Posts: 1,098
Re: Moire pattern visible when printed.

In cases like this it helps to know what size the image is placed in the layout. I will then scale the image in photoshop (so it gets placed @ actual size) and do some type of blurring on the problem areas. It would help immensely if you had a copy of the file BEFORE it was sharpened as any use of USM wreaks havoc with this type of subject.
Reply With Quote top
  #5  
Old 04-13-2012, 04:29 AM
Jo Jo Jo Jo is offline
Junior Member
 
Join Date: Sep 2006
Location: Richmond, Surrey, U.K
Posts: 5
Re: Moire pattern visible when printed.

Thanks for your reply. The client seems to think he has solved the problem, but I don't know how yet. I'll get back to you when I know. Thanks for your help so far.
Reply With Quote top
  #6  
Old 04-13-2012, 08:26 AM
Greg Curran's Avatar
Greg Curran Greg Curran is offline
Senior Member
 
Join Date: Mar 2007
Location: Whitby, ON, Canada
Posts: 127
Re: Moire pattern visible when printed.

with that kind of pattern you are going to get some optical illusions of moire.

Flip through the channels in RGB and see which holds the moire and which is clean. Just replace the bad channel with the clean and color correct then scale it in photoshop and place it in indesign at 100%.
Reply With Quote top
  #7  
Old 04-13-2012, 09:17 AM
Chain's Avatar
Chain Chain is offline
Senior Member
 
Join Date: May 2009
Location: Oslo, Norway
Posts: 551
Re: Moire pattern visible when printed.

Definately resample the image to the correct size/resolution it will be printed at, and then check for moiré. If there's no moire (at 100%), that's the best you can do without test-printing I guess... Perhaps try to avoid sharpening of the fine lines as pixelzombie suggested.

It will still be an unpleasant pattern to look at however – causing some illusion of moire and "movement".
Reply With Quote top
  #8  
Old 04-18-2012, 11:54 AM
smaster smaster is offline
Junior Member
 
Join Date: Mar 2012
Posts: 20
Re: Moire pattern visible when printed.

Hello,
thin lines near by each other produce a interference (interference moire).

This can't be fixed with channel shifting or other methods. I seperated the channels and all 3 produce the same moire when
looked at 60%. (Ok the lens has chromatic abberation too, but this doesnt matter here too much)

Only Resampling for the right printsize will work.
(a cheap way would be testing this with a nomal photo service)
Reply With Quote top
Reply

  RetouchPRO > Technique > Image Help


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
replicating a difficult pattern & removing shadow ali_bahman Photo Retouching 1 02-10-2012 11:33 AM
How to retouch a room with the pattern tool Mike Rubin Software 4 11-01-2010 09:42 PM
Stray hairs over pattern timmy1729 Image Help 7 08-06-2009 06:54 PM
moire pattern removal Craig Walters Photoshop Help 10 08-17-2007 09:50 PM
Moire Pattern on Brickwork DannyAustin Image Help 8 08-24-2005 03:13 AM


All times are GMT -6. The time now is 02:28 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
SEO by vBSEO ©2011, Crawlability, Inc.
Copyright © 2016 Doug Nelson. All Rights Reserved