Weird Resolution Issue

Slgrey · Posted: Thu Sep 16, 2010 3:29 am Post subject: Weird Resolution Issue

Hi! First time posting on here.

I finished a painting in Photoshop and opened the "Save for Web and Devices" box to save it as a high res jpeg. After i had done this i noticed the original image, and any document i opened, old and new, had suddenly lost resolution. The pixels weren't blended and there seemed to be fewer colours.

Any soft-edged brushes aren't very soft any more.
The attached image shows how a soft brush looks zoomed in - but this issue is very noticeable when zoomed out too.

I've also noticed the brush strokes "cling" to other areas of colour. They get bigger when they pass over an area of colour, and smaller when they pass over the background.

Can anyone help?
It's driving me crazy!

Steve · Posted: Thu Sep 16, 2010 7:14 am Post subject:

I can't see you're images but using "Save for Web and Devices" limits you to 256 colors.
sRGB is over 16 million colors.

Slgrey · Posted: Thu Sep 16, 2010 1:25 pm Post subject:

But does that affect documents not saved with "Save for Web etc"? Even new unsaved documents, and documents saved normally long ago have been affected.

Steve · Posted: Thu Sep 16, 2010 2:02 pm Post subject:

Old images that were OK now aren't?

Slgrey · Posted: Thu Sep 16, 2010 2:27 pm Post subject:

Yeah, images that were previously fine now aren't, even when opened in other programs.

Soft-edged brushes now have "lines" of solid colour fading out rather than fading out gradually

I'll link to the image on photobucket if it's not coming up here. It's very difficult to explain.

http://i1228.photobucket.com/albums/ee458/Slgrey/faultyresolution.jpg

Oh, and the same issue happens whether i have my Cintiq plugged in or not.

Steve · Posted: Thu Sep 16, 2010 3:07 pm Post subject:

You're opening a previously saved file that was fine, but now in IE or any other viewer, or PS it's got problems, then I'm stumped.

But you can still create a new image in PS without the problem so I would think you can rule out the video driver.

Have you done a virus scan?
Maybe you have something that corrupts image files.

I'm lost.

Damo77 · Posted: Thu Sep 16, 2010 3:42 pm Post subject:

It certainly seems like a system issue, as if your display control panel has been changed to a lower bit depth, or something.

Has anything changed in your PS Color Settings?

Steve · Posted: Thu Sep 16, 2010 3:52 pm Post subject:

Why don't you post an image that that has a problem here so we can see the image and not your screen shots.

I don't see how but maybe it's possible the images are fine??

Slgrey · Posted: Fri Sep 17, 2010 3:43 am Post subject:

I thought it might have been my display settings but they're all the same as they always were. And the way Photoshop is behaving makes me think it isn't the display - but it could be i guess! I've checked the usual resolution settings in Photoshop and nothing's changed (unless there's a really obscure one i haven't encountered)

Ok, i'm going to post the image i first noticed the problem with.

http://i1228.photobucket.com/albums/ee458/Slgrey/resolutionprblm.jpg

At a distance the image looks alright - pretty much. But the problem is most noticeable (if it's not just a screen issue) in the botton left corner. The lighter-blue hill is made up of very blotchy bands of solid colour, when it used to be smooth gradients.

karb0n13 · Posted: Wed Oct 20, 2010 11:55 am Post subject:

Slgrey: That image appears to be fine on my screen. the only thing I can see on up to a 300% zoomed inspection is the normal JPG artifacts. otherwise the gradients seem to be very smooth.

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