asked on

Why can't I apply Photoshop auto variations to my image?

I want to adjust the colour in a large image. It is 800Mb, stored as TIF/LZW. Because it is such a large image, I made a thumbnail (1280x554 pixels), adjusted the colour and saved the changes I made with Image/Adjustments/Variations as an AVA, then I loaded the original and tried to apply the AVA file. I got a message along the lines of "Can't do that - it's the wrong sort of file." I checked Image/Mode and the original is RGB Color and 8 bits/channel. What else could be wrong?

JFI: I am a complete noob to Photoshop and have never used any version prior to CS3.

nzrubin

why the image is so huge? is it a billboard?
what resolution it has?
i think first of all we need to reduce the image! it looks very weird! 800Mb!

i made a billboard recently 15x3 meters and i had output file for printing 100mb

ASKER CERTIFIED SOLUTION

David Brugge

membership

This solution is only available to members.

To access this solution, you must be a member of Experts Exchange.

Start Free Trial

kilgore661

ASKER

nzrubin,

I am a gigapanographer. 800Mb is small for me - I often have trouble making files small enough to fit into TIF's 2Gb limit. Here is an example: http://www.gigapan.org/viewGigapan.php?id=10381 - this is over 150,000 pixels wide.

D Brugge,

The file *is* over 30Kpix wide and *is* a tif, and Variations *is* greyed (or in your case grayed) out. I got the error message by double-clicking on the thumbnail's AVA when PS had the original large image open. But your workaround works for me thanks!

David Brugge

A gigapanographer. That's a new on on me. In the old days, we used to copy our images to an 8" x 10" internegative, doctor the neg to hide the overlaps, then put the neg into an enlarger with the head turned on its side and project the image across the room to an oversized sheet of photo paper. I made a 4' x 8' canoe out of a sheet of plywood turned up at each end to process the paper. I then had to take it outside to hose it down to wash off the hypo.

Those were the days (sigh). Your method looks a bit more productive.

Best of luck to you and thanks for the points.