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Cmd+I and Adjustment+Invert are not the same.


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So this is frustrating. On the Mac, Affinity Photo, Cmd+I and be used to Invert an Adjustment layer.  It inverts ONLY the adjustment layer. However, if you use Adjustment+Invert, the entire image is Inverted.

This would be fine in itself, as I could just use one or the other depending on need. However, there is no equivalent Cmd+I option on the iPad where I'm trying to achieve the same effect. And if they are supposed to be the same thing, with the Cmd+I being only a short cut, then it's not working as it should.

 

Let me show you on the Mac.

 

The first image is the image with a Curves adjustment applied. See the Layer.

Screenshot2024-06-18at13_58_35.thumb.png.3ff8093610fb8b0aac948bd9dd9affa9.png

This next image is the same image with the adjustment layer selected and Cmd+I applied to invert just that layer. Note layer panel.

image.thumb.png.ea42dd3a18ebdd2e77756c0adf0aa874.png

 

This next image is the same thing only Adjustment+Invert is applied. Visible in the Layers panel as well. It's a completely different effect.

Screenshot2024-06-18at14_00_20.thumb.png.0c702ec25d709c12e7f0e4fee30cd959.png

 

This is the effect if applied on the iPad as well. There is no Cmd+I option on the iPad.

 

 

 

 

iPad Mini 6.  256GB. My GoTo design platform.

M2 Mac Mini. 24GB. LG 4K Monitor. + Samsung Monitor 2.

Windows 10 Toshiba. Windows 11 Parallels on Mac.

Publisher. Designer. Photo for Mac, PC & iOS. FCP, DaVinci, CapCut, Luma Fusion. etc.

@Affinity-Inspiration on YouTube.

 

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It's not "Adjustment + Invert", if I understand you.

It is an "Invert Adjustment" (that is, "Invert" is the kind of Adjustment you're adding). This is just like any other kind of Adjustment such as a Curves Adjustment or a Black & White Adjustment.

  • You can nest it in a specific layer to affect only that layer, inverting the contents of the layer; or
  • You can add it as a separate layer, where it affects all layers underneath it.

Your Cmd+I, on the other hand, is a shortcut for Layer > Invert Layer in the Menu, and is not directly related to Adjustments at all. Though it can be used to Invert an Adjustment layer if you want, it's different from the Adjustment named Invert Adjustment.

 

-- 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 17.5, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.5

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38 minutes ago, walt.farrell said:

It's not "Adjustment + Invert", if I understand you.

It is an "Invert Adjustment" (that is, "Invert" is the kind of Adjustment you're adding). This is just like any other kind of Adjustment such as a Curves Adjustment or a Black & White Adjustment.

  • You can nest it in a specific layer to affect only that layer, inverting the contents of the layer; or
  • You can add it as a separate layer, where it affects all layers underneath it.

Your Cmd+I, on the other hand, is a shortcut for Layer > Invert Layer in the Menu, and is not directly related to Adjustments at all. Though it can be used to Invert an Adjustment layer if you want, it's different from the Adjustment named Invert Adjustment.

 

 

Thanks Walt.

hmm. Ok, well it took me long enough to learn Chinese, so this is the same it seems. When is Invert, not Invert? When it's Invert. Who'd have thought? I know how Adjustments work of course. And now I know where to find ... ummm, Invert, I can stop badgering people. A day well spent.

 

 

iPad Mini 6.  256GB. My GoTo design platform.

M2 Mac Mini. 24GB. LG 4K Monitor. + Samsung Monitor 2.

Windows 10 Toshiba. Windows 11 Parallels on Mac.

Publisher. Designer. Photo for Mac, PC & iOS. FCP, DaVinci, CapCut, Luma Fusion. etc.

@Affinity-Inspiration on YouTube.

 

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There are a number of kinds of "invert".

For example: 

1. An Invert Adjustment

2. Inverting the content of a layer

3. Inverting the effects of an Adjustment

4. Inverting a Pixel selection. 

#2 and #3 can be accomplished by Layer > Invert Layer (Cmd/Ctrl+I or via the menu, on the desktop).

#1 is similar, but for inverting the effects of an Adjustment (#3) you'd have to position the Invert Adjustment carefully. 

#4 is something unrelated to this discussion except that it also uses the term "invert".

By the way, there's a logged bug from back in V1 that Cmd+I doesn't work on the iPad: https://forum.affinity.serif.com/index.php?search/&tags=api-864 

Finally, reading some other topics, to invert a layer on the iPad (Cmd+I equivalent on the desktop) you can try the Channels panel. 

a. Select the layer in the Layers panel.

b. Open the Channels panel. 

c. Tap the ... icon next to a Layer entry in the Channels panel and then tap Invert. For inverting an adjustment this is a single action. But for inverting an RGB Pixel layer you'll need to do it for each color channel (R, G, and B).

-- 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 17.5, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.5

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35 minutes ago, walt.farrell said:

There are a number of kinds of "invert".

For example: 

1. An Invert Adjustment

2. Inverting the content of a layer

3. Inverting the effects of an Adjustment

4. Inverting a Pixel selection. 

#2 and #3 can be accomplished by Layer > Invert Layer (Cmd/Ctrl+I or via the menu, on the desktop).

#1 is similar, but for inverting the effects of an Adjustment (#3) you'd have to position the Invert Adjustment carefully. 

#4 is something unrelated to this discussion except that it also uses the term "invert".

By the way, there's a logged bug from back in V1 that Cmd+I doesn't work on the iPad: https://forum.affinity.serif.com/index.php?search/&tags=api-864 

Finally, reading some other topics, to invert a layer on the iPad (Cmd+I equivalent on the desktop) you can try the Channels panel. 

a. Select the layer in the Layers panel.

b. Open the Channels panel. 

c. Tap the ... icon next to a Layer entry in the Channels panel and then tap Invert. For inverting an adjustment this is a single action. But for inverting an RGB Pixel layer you'll need to do it for each color channel (R, G, and B).

Thank you very much Walt. That’s just what I was looking for. Brilliant.. You’ve made my day.. the iPad bit, I’d have never found..

 

iPad Mini 6.  256GB. My GoTo design platform.

M2 Mac Mini. 24GB. LG 4K Monitor. + Samsung Monitor 2.

Windows 10 Toshiba. Windows 11 Parallels on Mac.

Publisher. Designer. Photo for Mac, PC & iOS. FCP, DaVinci, CapCut, Luma Fusion. etc.

@Affinity-Inspiration on YouTube.

 

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You're welcome.

-- 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 17.5, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.5

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