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As Trevor points out The Atl+Ctrl+right-click+Drag requires GPU support. On windows the +Ctrl is not required. Photoshop supports many input devices and some can be customize for Applications like Photoshop, Tablets, Gaming Keyboards and Mice. There Are also OS feature that can interfere with Photoshop operation these devices. Configuring all to work together can be tricky. There are several ways you can setup change Photoshop Brush size and hardness. A device may have several ways to chang
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Adjusting brush size that way requires GPU acceleration to be turned on
And the lower pen button set to Right Click
Out of interest, what sort of tablet are you using? I use the Express wheel to control brush size with my Intuos 4, but that can only control size and not hardness.
Hey, here's a thought. At the moment I toggle between brush size and canvas rotation, but I rarely use it for canvas rotation (because I prefer the spring loaded R key), so I wonder if there is a key stoke I can set for brush hardness? Who's awake out there with an answer before I can Google it? 
Got it — but will I remember to use it? 
As Trevor points out The Atl+Ctrl+right-click+Drag requires GPU support. On windows the +Ctrl is not required. Photoshop supports many input devices and some can be customize for Applications like Photoshop, Tablets, Gaming Keyboards and Mice. There Are also OS feature that can interfere with Photoshop operation these devices. Configuring all to work together can be tricky. There are several ways you can setup change Photoshop Brush size and hardness. A device may have several ways to change these and more than one device can be used to change them. Keyboards, Mice, tablet controls, pens, joystick. You may want to use different devices depending on which device you are holding at the moment. Here is what my windows setup look like at this time. I do change setting from time to time.
Trevor, I have not been doing much Editing with Photoshop lately. If I had I had to do specific types of editing Jobs I would create more profiles for the G13. You can create many set of Profiles for the G13. I call them Profile set for a Profile has three sets of keys you can change between with a press of a button. You can scroll between Profiles using the scroll keys or auto switch like the Wacom for Applications. The active Profile cam be locked with a pres of a button scrolling and auto switch profiles do not work then,
I would most likely keep its joystick programmed the way I have it now for all profiles. Its easy to scroll Backwards and Forward in history and layer stack. I would also keep my zooming keys set where I have them. There are just some many things I can remember some things need to be more reflex than memory.
I have just purchased the G502 mouse for on workstations I was experience more and more mouse lag problem with my Bluetooth mouse my Logitech wireless mouse and Dell wireless mouse with Windows 10. I'm not having problems with my Surface Pro 3 Windows 10 and my Microsoft Comfort Bluetooth Mouse. One of my Dell wired mouse right mouse button also had problem so I went for the wired G502.
The G502 support three profiles the first two are set up for gaming the third more for application. The Logitech Gaming software also recognizes many game and may change thins for them. I have no game installed computers beet me up so I do not play. You can program the three profile any way you like. Mouse sensitivity is very programmable A profile can have 5 DPI sensitivity settings and a mouse polling rate. You can scroll between the 5 dpi settings abd shift between the current DPI and a shift DPI setting. One of the 5 DPI setting can be set to the shift setting and one set ads the default setting. Support different Logictech mouse pads and surfaces tuning IMO its a great mouse.
I read you thread on the Space mouse. I could find little to nothing about its Photoshop Plug-in 3DxPhotoshop. I saw that Space Mouse had Plugins for applications like Sketchup, 3DMAS Photoshop and others. You like the way Space Mouse plug-in for sketchup works. I did find this https://www.photoshoptutorials.ws/product-reviews/design-tools/3d-mouse-works-photoshop-3dconnexion-...
They stated they can rotate the 3D object with the space mouse. They enable the “Dominant” option in the 3Dconnexion properties which will limit the movements to one axis at a time. However the Space Mouse quick Views keys do not work in Photoshop.
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It worked for me too!!
But I needed to create the .txt file or I would lose the pressure sensitivity
THANK YOU!!
Hi, I too had the same problem. I could not change the hardness and size of the brush using Alt+right click.
I found this in the end> The option called "Use Windows Ink" in Wacom Tablet Properties> Grip Pen> Mapping was checked. Uncheck it and it will work fine. It worked for me.
Hope this helps.
Hi I had the same problem after updating to windows 10
this solution fixed mine:
got to wacom tablet properties
go to mapping tab
uncheck windows ink
hey! i was having the same problem...windows 10, tablet: one by wacom, photoshop cc 2017. so i did this after searching so much on google wacom tablet setting<mapping then deselected use windows ink and it worked for me.
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