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daniellieske
daniellieske
Known Participant
February 20, 2020

P: Photoshop 21.1.0 Choppy Panning when "Flick Panning" is disabled (windows 10, flick panning off)

  • February 20, 2020
  • 55 replies
  • 3048 views

I've Noticed this weird behavior after the latest 21.1.0 update:

When panning, the canvas  basically refreshes only after I have stopped my panning motion, so that there's no smooth movement during panning, only the state before panning and the state after panning. Feels extremely choppy. Only if I scroll REALLY slowly - like snail speed - I see the canvas following along my motion. As soon as I accelerate to a normal panning speed, the above behavior goes into effect.

I first thought that this might be a graphics card driver issue but then I noticed that when I turn on "flick panning" in the preferences, suddenly panning is performed smoothly (but, as to be expected, with the annoying floaty overshooting motion of flick panning, that I'd like to avoid).

If someone can confirm, this might be an issue worth investigating.

 

UPDATE 20th April 2021:

 

At least two users confirmed that the Navigator window plays a role in this problem. Scaling the Navigator window or closing it completely stops the problem from occurring in those cases.

 

Apart from closing the Navigator window and activating "Flick Panning", another workaround seems to be to activate "Scroll All Windows" in the options of the Hand tool. This also stops the undesired behavior but obviously comes with potentially unwanted side effects.

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    morris.c
    morris.c
    Participating Frequently
    June 24, 2020
    Hi.
    I have exactly the same problem since PS 21.1 (21.0.3 was buttery smooth).  It is quite frustrating.  Please, take a look into this problem. Thanks.

    My Specs: 
    SO: Win 10 1909
    CPU: Ryzen 5 1600
    GPU: GTX 1060 (Updated to the latest drivers)
    RAM: 16 Gb (70% allocated to PS)

    What I've tried:
    - Every combination of the Advanced GPU settings
    - Turning Off GPU Acceleration/Open CL
    - Reset Preferences 
    - Fresh Installation

    What Worked (workaround😞
    - Revert to PS 21.0.3 
    -Turning "Flick Panning" ON

    This is a video of the problem:




    daniellieske
    daniellieskeAuthor
    Known Participant
    February 21, 2020
    Ok, so I'm running Photoshop on Windows 10.

    The Graphics Processor recognized by Photoshop is a GeForce GTX 980.

    Disabling the Graphics Processor results actually in a slightly better performance - the canvas gets chopped up while panning but there's several frames of interpolation during panning. 

    I'm using floating document windows but using tabs doesn't make a difference concerning the problem.

    Rulers ON/OFF makes no difference. 

    What actually MAKES a difference, and I just noticed this right now, is the window size of the document. With very small window sizes, the problem disappears. My screen is 2560x1440 and when I size my document window to about half that size, the problem is in full effect, getting increasingly better when sizing the window down to something like 300x300px. 
    J
    J453
    Legend
    February 21, 2020
    Not seeing it on Windows 10 either. Need to figure out what's different in our settings besides just disabling flick panning.
    J
    J453
    Legend
    February 21, 2020
    I'm not seeing this on macOS 10.14.x. What OS/version are you running on? Do you know if Use Graphics Processor is enabled or not? Do you have rulers show? Tabbed documents on or off?
    daniellieske
    daniellieskeAuthor
    Known Participant
    February 21, 2020
    I've asked a friend of mine to test this with his own fresh installation of 21.1.0 and he confirmed that panning feels horribly slow, and the problem does not occur when "flick panning" is activated. 

    To test this, all you really have to do is to pan your image both with and without "flick panning" activated (under Preferences > Tools) and compare the performance in both cases. Panning should be smooth in both cases - it always has been - and the only difference should be, that with flick panning activated the canvas starts to coast when you release the mouse button.

    Hope some people can confirm so that this problem will be fixed! 
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