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Changing aspect ratio from portrait orientation 2:3 to 8:10 without compositional compromise eg For Instagram


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For Instagram posts, and when in portrait orientation, how can I change from a narrower aspect such as 2:3 to a squarer ratio of 8:10 without compromise on the composition? I know this can be done. There is a video or two on YouTube but it wasn't very clearly explained. Can anybody tell me step by step how to get around this issue?

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Can you give a link to one of the videos on youtube?

To save time I am currently using an automated AI to reply to some posts on this forum. If any of "my" posts are wrong or appear to be total b*ll*cks they are the ones generated by the AI. If correct they were probably mine. I apologise for any mistakes made by my AI - I'm sure it will improve with time.

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Welcome to the Serif Affinity forums.

First, 8:10 isn't "square" :)

Next, without cropping some of the image out, or ending up with white space around it, you can only end up with 8:12 or 6.667:10.

 

-- Walt
Designer, Photo, and Publisher V1 and V2 at latest retail and beta releases
PC:
    Desktop:  Windows 11 Pro, version 23H2, 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 

    Laptop:  Windows 11 Pro, version 23H2, 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
iPad:  iPad Pro M1, 12.9": iPadOS 17.3, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.3.1

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1:1.5 to 1:1.25 needs to lose some of the left and right, or has to add to the top and bottom of the original. White is the 1:1.5 and Grey is the 1:1.25. White is not changed in size, Grey is changed in size.

923640103_ScreenShot2020-04-10at8_09_35AM.png.8ea270cae6b99ca53582925f41c6c4af.png

Mac Pro (Late 2013) Mac OS 12.7.2 
Affinity Designer 2.3.1 | Affinity Photo 2.3.1 | Affinity Publisher 2.3.1 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

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1 hour ago, Danny Rowton said:

it's why I did say squarer, not square

Sorry, missed the extra "r".

-- Walt
Designer, Photo, and Publisher V1 and V2 at latest retail and beta releases
PC:
    Desktop:  Windows 11 Pro, version 23H2, 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 

    Laptop:  Windows 11 Pro, version 23H2, 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
iPad:  iPad Pro M1, 12.9": iPadOS 17.3, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.3.1

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On 4/10/2020 at 4:11 PM, Old Bruce said:

1:1.5 to 1:1.25 needs to lose some of the left and right, or has to add to the top and bottom of the original. White is the 1:1.5 and Grey is the 1:1.25. White is not changed in size, Grey is changed in size.

923640103_ScreenShot2020-04-10at8_09_35AM.png.8ea270cae6b99ca53582925f41c6c4af.png

Thanks for replying. The issue relates to portrait orientation. Landscape isn't an issue. I am currently unable to avoid cut off body parts of the subject, which is frustrating.

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2 hours ago, Danny Rowton said:

I am currently unable to avoid cut off body parts of the subject, which is frustrating.

You may need to practice composing the image before you take the picture, while being aware of the final cropping you'll want to do.

Or, embrace the beauty of images that have body parts cropped off :)

-- Walt
Designer, Photo, and Publisher V1 and V2 at latest retail and beta releases
PC:
    Desktop:  Windows 11 Pro, version 23H2, 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 

    Laptop:  Windows 11 Pro, version 23H2, 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
iPad:  iPad Pro M1, 12.9": iPadOS 17.3, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.3.1

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3 hours ago, Danny Rowton said:

The issue relates to portrait orientation. Landscape isn't an issue. I am currently unable to avoid cut off body parts of the subject, which is frustrating.

It is independent of the orientation, actually even of the source's ratio. The sample in your video avoids to crop at all but does a stretching instead on that side which is too short for the wanted ratio.

Of cause the visibility of the stretching in the final result depends on the stretched content, so it is less obvious for instance if you stretch the legs of a standing person but more if you manipulate the face (or parts of it) in a portrait, while it always also depends on the amount of stretching and a viewers knowledge of the stretched object in the original image. Of cause there are motives which may even turn into different objects when stretched, mostly those of a clear and known geometry, like a basketball (> oval football) or an egg (> table tennis ball) etc.

Therefore you should prefer a motive with some background at those image edges which are too short, (e.g. landscape, room, wall, table, bed, etc.).

macOS 10.14.6 | MacBookPro Retina 15" | Eizo 27" | Affinity V1 only

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