Adobe Community: Unwanted on screen ripple effect ending up on print

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1. VFSprint,

Aug 1, 2012 6:13 PM in reply to VFSprint

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I've messed with the GPU settings in the performance preferences and it does effect the image when viewing on screen but why would these effects end up on print? They aren't part of the file.

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2. Noel Carboni,

Aug 1, 2012 6:17 PM in reply to VFSprint

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You're really going to need to augment your description with some images I think. What you're describing isn't a common problem.

Are you doing 3D rendering?

-Noel

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3. Brett N,

Aug 1, 2012 6:19 PM in reply to VFSprint

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Without seeing the file, I'm guessing it's an optical illustion, possibly some sort of moire effect (http://en.wikipedia.org/wiki/Moir%C3%A9_pattern).

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4. VFSprint,

Aug 1, 2012 6:33 PM in reply to Noel Carboni

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It's very hard to describe, I've searched all over the web and can't find a solution. I'm not 3D rendering. It seems like an optical illusion, like small ripples. The image is a painting on canvas I captured so I think texture of the canvas is causing this effect when viewing on my monitor. again, it goes away when I start to zoom in, like the image refreshes and becomes clearer, smoother. I've seen this effect before and thought it was just an issue with the GPU settings like anti-aliasing but it has never appeared on the prints until now.

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5. VFSprint,

Aug 1, 2012 7:10 PM in reply to Brett N

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That's exactly what it looks like...but why is it ending up on my prints?

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6. Noel Carboni,

Aug 1, 2012 7:12 PM in reply to VFSprint

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Can you PLEASE post an example image of what you're seeing? Grab your screen and use the little camera icon on the editor here.

Saying it looks like a Wiki article with some dozens of images in it isn't going to get you pertinent help.

-Noel

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7. VFSprint,

Aug 1, 2012 7:27 PM in reply to Noel Carboni

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This issue is on a computer at work so unfortunately I can't post pics until sometime tomorrow. And I was just saying that it looks and sounds like what the article is describing.

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8. VFSprint,

Aug 1, 2012 7:39 PM in reply to VFSprint

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I think I'll try the despeckle filter and median filter, maybe those'll help.

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9. Mike Ornellas,

Aug 2, 2012 2:10 PM in reply to VFSprint

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It depends upon the art.

Is it photograph?

A scan?

Camera noise?

Art created in a computer application?

Could be Adobe's new fuzzy math problem when stretching objects.

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10. VFSprint,

Aug 2, 2012 2:29 PM in reply to Mike Ornellas

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I found the solution. It ended up being some sort of moire effect. It is a photograph of an original painting on canvas...I guess the texture of the canvas was creating the ripple effect. I duplicated the image layer and bumped it slightly up and to the left and brought the opacity down to 30%, flattened the file and boom, perfect! No more on screen distortion and it isn't showing up on print. Thanks for the replies everyone and Brett N for pointing me in the right direction!

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11. Noel Carboni,

Aug 2, 2012 2:31 PM in reply to VFSprint

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You may have reduced the sharpness by what you did, but if you're happy, we're happy here on the forum I guess.

There can be more sophisticated ways to take canvas texture out of images if ever you're interested.

-Noel

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12. VFSprint,

Aug 2, 2012 2:53 PM in reply to Noel Carboni

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I want the canvas texture, I'm making giclee prints that have to match the original. I forgot to mention that I did sharpen the image slightly after flattening. The prints look spot on. I guess the texture was just causing an unwanted effect and I had to even it out.

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13. charles badland,

Aug 2, 2012 3:10 PM in reply to VFSprint

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...the ripple goes away when I zoom in on the image.

You're going to see two types of Morie patterns on screen. One is "real", where the texture or pattern of the subject interacts with the Bayer Array of the image sensor in the camera. It will be visible at 100% view (Actual Pixels). The other is a type of illusion caused by interference of a pattern in an image with the pixels of the monitor. It will disappear as you zoom in. Did it ever show up on print?

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Unwanted on screen ripple effect ending up on print

Aug 1, 2012 6:00 PM

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