Image & Canvas sizes won't 'stick'. They keep reverting

Forum|Forum|8 years ago
December 6, 2017
1 reply
726 views

Hi All,

Do any of you know why this is happening?

I set up a document at 220 x 285 mm but when I check the image and canvas sizes, afterwards, they’re different!

I try changing them in image size and canvas size, but they still revert back. Very annoying and weird!

My Unit Sizes/rulers in Preferences are set to Millimetres. Does it have anything to do with the image resolution (surely irrelevant) being set to Pixels per inch?

Thanks

John

This topic has been closed for replies.

Correct answer davescm

Photoshop works in pixels. So the nearest document size to 285mm in whole pixel numbers (you have set 300 pixels /inch) is 3366 which takes up 284.988mm

Dave

davescm

Correct answer

Community Expert

Photoshop works in pixels. So the nearest document size to 285mm in whole pixel numbers (you have set 300 pixels /inch) is 3366 which takes up 284.988mm

Dave

J

johnivanwhiteAuthor

Known Participant

Ah, so it'll never be precisely what I set?

And if so, when it goes to print, with the placed Photoshop image set at exactly 220 x 280 mm in InDesign -- it'll be such a small distortion as to be neglible/undetectable?

davescm

Community Expert

You've got it. Like I say Photoshop works its canvas to the nearest whole pixel. As far as the difference is concerned - if you can see .01mm you have better eyes than I have .

Dave

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