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Strange behavior of brush/erase brush


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Hi there, I cant get that strange behavior of brush and erase brush tool.
I choose for eraser or brush any brush pattern, after paint with any next brush from next category, eraser will change also automatically ...why? It is annoying and contraproductive. :/

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Perhaps you need to choose a different option for tool sharing in the Assistant Manager? (View > Assistant Manager)

image.png.5786a21cf2a086bc76e4547d874565a8.png

-- 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 17.4.1, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.4.1

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Some brushes can change the Wet Edges setting, or the Blend Mode setting. Perhaps that's what you're seeing (Wet Edges, in particular)?

-- 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 17.4.1, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.4.1

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walt.farrell:

It's absolutely change shape, dunno, if that change after choose any specific brushes and turn also eraser shape like any from same category.
I hope it is not by my Wacom Cintiq also, I will try search any new updates, that disabling sharing brushes helped for some brushes, but others still changing it.
And that is serrious issue for me, cuz i learned at many software work without that interrupting. Making me mad O.o

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Good detective work.

-- 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 17.4.1, Apple Pencil 2, Magic Keyboard 
Mac:  2023 M2 MacBook Air 15", 16GB memory, macOS Sonoma 14.4.1

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Perhaps I am having the same issue.  Just purchased Affinity Photo 1.8.6 and following a course provided called "10 steps to amazing photos".

When using the Brightness and Contrast adjustment layer, and then inverting it to target a specific area of photo using Black brush it works fine, BUT if I switch to the WHITE brush to correct an overpaint it still 

paints as if brush was black.   Followed the course almost frame by frame to assure I was following directions...still does not work.

I attached image below and was trying to erase the overpainted water to the paddlers left but to no avail.

Is it me or is there a bug????

Screen Shot 2020-12-20 at 4.00.14 PM.jpg

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Welcome to the forums @Woodsman

Ok, first you do understand the mask theory, White reveals, Black conceals

When you applied the Brightness/Contrast Adjustment, there's a white mask allowing the full adjustment to be seen. So to fine tune, you can paint on the mask. Painting black on a white mask, blocks the adjustment. If you paint white on a white mask, nothing happens, because you can already see through the mask, same as when you paint black on a black (inverted) mask. 

1. Are you sure you painted black on the (black) mask, and not accidently had the pixel layer selected and painted on it? 

 

Affinity Photo 2.4..; Affinity Designer 2.4..; Affinity Publisher 2.4..; Affinity2 Beta versions. Affinity Photo,Designer 1.10.6.1605 Win10 Home Version:21H2, Build: 19044.1766: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz, 3301 Mhz, 6 Core(s), 12 Logical Processor(s);32GB Ram, Nvidia GTX 3070, 3-Internal HDD (1 Crucial MX5000 1TB, 1-Crucial MX5000 500GB, 1-WD 1 TB), 4 External HDD

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