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quinnballard

Replace low-res images with high-res images while maintaining all masks, adjustments, etc.?

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Sometimes I'll do a quick test edit with low- or medium-res versions of images. If I'm happy with how the test edit is going, I've wanted to be able to pull in the high-res versions of the images and use them to replace the medium-res versions.

I'd love for all masks, adjustments, etc. that I've done on the test edit to be correctly applied, or at least scaled accordingly to fit the new image size. Obviously, I'd need to make sure the height:length ratio and cropping placement of the high-res images is exactly the same as the lower res versions.

I've looked around on the forums, tested this several ways on AP, but am not sure if this is even possible. Do you have suggestions of ways I can either a) scale up / down masks and adjustments to perfectly fit new image sizes, or b) swap out a smaller pic with a larger version of the pic and have all edits be properly applied?

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With the Adjustments filters you can save your settings as presets to apply to any image.

Masks, have you tried creating a mask layer and then copy/paste to the high res image, I've just tried it and the mask scales from a 300DPI image to a 72DPI image and visa versa and stays true to the image.

Changing the actual dimensions messes the mask up but as long as the file is the same dimensions but low res the mask copy/paste would work.


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@firstdefence Hey, thanks for the insight. Yeah, I think I may have used incorrect wording when referring to high res and low res :42_confused:. What I meant was for the actual dimensions of a pic.

I use Affinity to help do luminosity masking on interior and architecture photos, I'll usually experiment on a 1800 x 1200 px image (primarily to save on filesize and to check my edits I've made in Lightroom before sending to Affinity.) If the quick edits look good, I'd love to import a 5400 x 3600 px image and retain the masks (scaled up 3x, or whatever the scale factor is). Haha, I realized after your response that adjustments obviously can be copied and pasted over to any size image. I had a brain fart on that. So, basically, I'm looking for a way to scale the masks in relation to the dimensions of pics. Thanks again for your input!

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It appears like I can transform (scale up/down) a mask after clicking on the mask while the move tool is selected, and then I can scale it up and down accordingly, just like changing the size of a pic or an element on the page. The downside is that it looks like I can only select a single mask at a time, but it's a start. I'll experiment a little further with it, but it may be a solution that is semi-usable for now. 

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Can't you just resize your 1800 x 1200 px document to 5400 x 3600 px and the masks will resize accordingly

Then replace your image in that document

Don't have the time/inclination to test this but it is what I would try first


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12 hours ago, quinnballard said:

It appears like I can transform (scale up/down) a mask

 

4 hours ago, carl123 said:

Can't you just resize your 1800 x 1200 px document to 5400 x 3600 px and the masks will resize accordingly

 

Good thinking.

As long as the now pixelated edges of the resized masks don't cause any visible artefacts in the full size image,  you're good to go.

For pixel accurate masks you may need to re-work problem edges.

R


Affinity Designer & Photo  :  Win 10

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