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Compare two different versions of an image


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I would like to compare two different versions of an image in Affinity Photo for Windows. Is there a function for this without having to set the two images to float and then adjust them manually? Many thanks for a hint!

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In what way are you wanting to compare the two versions?

Or, to put that another way, what sort of differences are you looking for?

And how is a difference measured/perceived? (What constitutes a difference?)

And once you know the differences, what do you want to do about them, if anything?

And ‘where’ are the two versions? Are they both in storage, or is one in storage and one in memory, or are they both in memory, or something else?

49 minutes ago, PhoDesPub said:

without having to set the two images to float and then adjust them manually

I’m not sure what you mean by that. Can you give more details?

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Oh, not so complicated. 🙂 I just want to display two images from different files, both opened in Affinity Photo, side by side. For example, to compare them visually.
But I'm afraid that Affinity Photo, unlike Photoshop, doesn't have a function like ‘display two images side by side’. But I'm not sure, and that's why I'm asking.

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18 minutes ago, PhoDesPub said:

I just want to display two images from different files, both opened in Affinity Photo, side by side.

APhoto as a photo editor, not as a DAM or image viewer, does not have this feature.

Unfortunately, APhoto doesn't even allow the standard tiling of two side-by-side images.

Affinity Store (MSI/EXE): Affinity Suite (ADe, APh, APu) 2.5.5.2636 (Retail)
Dell OptiPlex 7060, i5-8500 3.00 GHz, 16 GB, Intel UHD Graphics 630, Dell P2417H 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.4317.
Dell Latitude E5570, i5-6440HQ 2.60 GHz, 8 GB, Intel HD Graphics 530, 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.4317.
Intel NUC5PGYH, Pentium N3700 2.40 GHz, 8 GB, Intel HD Graphics, EIZO EV2456 1920 x 1200, Windows 10 Pro, Version 21H1, Build 19043.2130.

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I'm not interested in a DAM. I am developing an initial image composition in APhoto. Then a second version where certain image elements are different. Text positions can also be different. So which composition is better? In Adobe Photoshop you can display these two compositions directly next to each other with a menu command. In APhoto I have to fiddle around by hand. What a pity.

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I don't know if this also works in Affinity Photo for Windows, but in the macOS version, there's Window > Float View to Window accessible from the application menu. This way, you can at least undock tabbed documents from the main window and manually arrange them side-by-side. Again, I have no idea if that option exists on Windows.

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I have now found a workflow. Detach both images from APhoto as free-floating images and then, as @kaffeeundsalz describes, drag them over the left and right edges of the screen using the Windows function, so the images position themselves automatically.

Nevertheless, a menu command would be very nice.

Thanks to all for the information.

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1 hour ago, Pšenda said:

Unfortunately, APhoto doesn't even allow the standard tiling of two side-by-side images.

Automatically, no. But it is possible manually.

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49 minutes ago, walt.farrell said:

Automatically, no. But it is possible manually.

That's why I'm talking about the "standard" function. Do you think that in the 21st century it is appropriate and dignified to straighten windows manually for a professional application? To me, this is a shame for the developers that these very basic and elementary operations with windows (Tile vertical and horizontal) applications still do not have.

Affinity Store (MSI/EXE): Affinity Suite (ADe, APh, APu) 2.5.5.2636 (Retail)
Dell OptiPlex 7060, i5-8500 3.00 GHz, 16 GB, Intel UHD Graphics 630, Dell P2417H 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.4317.
Dell Latitude E5570, i5-6440HQ 2.60 GHz, 8 GB, Intel HD Graphics 530, 1920 x 1080, Windows 11 Pro, Version 23H2, Build 22631.4317.
Intel NUC5PGYH, Pentium N3700 2.40 GHz, 8 GB, Intel HD Graphics, EIZO EV2456 1920 x 1200, Windows 10 Pro, Version 21H1, Build 19043.2130.

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1 hour ago, Dave.Kelly said:

Why not try as a separate layer over the other image and toggle the layer on and off?

Because both images are saved in a separate file and are therefore independent of each other, you cannot use a separate layer.

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1 minute ago, GarryP said:

Place the other image as a new layer.

Ok, I understand.

 

9 minutes ago, Pšenda said:

That's why I'm talking about the "standard" function. Do you think that in the 21st century it is appropriate and dignified to straighten windows manually for a professional application? To me, this is a shame for the developers that these very basic and elementary operations with windows (Tile vertical and horizontal) applications still do not have.

I agree!

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