[krita] [Bug 479462] Default pressure curve gives uneven on left part of tablet - S-pen

2024-02-27 Thread Lynx3d
https://bugs.kde.org/show_bug.cgi?id=479462

Lynx3d  changed:

   What|Removed |Added

 Resolution|--- |NOT A BUG
 CC||lynx.mw+...@gmail.com
 Status|REPORTED|RESOLVED

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[krita] [Bug 479462] Default pressure curve gives uneven on left part of tablet - S-pen

2024-01-06 Thread Bug Janitor Service
https://bugs.kde.org/show_bug.cgi?id=479462

Bug Janitor Service  changed:

   What|Removed |Added

 Status|NEEDSINFO   |REPORTED
 Resolution|WAITINGFORINFO  |---

--- Comment #4 from Bug Janitor Service  ---
Thanks for your comment!

Automatically switching the status of this bug to REPORTED so that the KDE team
knows that the bug is ready to get confirmed.

In the future you may also do this yourself when providing needed information.

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[krita] [Bug 479462] Default pressure curve gives uneven on left part of tablet - S-pen

2024-01-06 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=479462

--- Comment #3 from zayastarcal...@gmail.com ---
Actually please disregard this report, I've done more testing, and it turns out
there is a magnetic force in the tablet around that area and I tested with some
more drawing software, it seems it is present on those too, albeit less
noticeable, I am sorry for making a report on something that seems to be with
the tablet.

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[krita] [Bug 479462] Default pressure curve gives uneven on left part of tablet - S-pen

2024-01-06 Thread bugzilla_noreply
https://bugs.kde.org/show_bug.cgi?id=479462

--- Comment #2 from zayastarcal...@gmail.com ---
(In reply to David REVOY from comment #1)
> As far as I know, Krita manages the tablet equally across the canvas. So if
> you experience a bug that affects only a part or specific spot of the
> canvas, e.g. a pressure change that affects only a region as you describe,
> it's most likely caused by bad engineering at the hardware level. 
> I'm sorry. 
> It could be bad electromagnetic shielding of the display, or a connector in
> that area that is leaking and affecting the pressure sensitivity, 
> I have never seen this happen specifically to "pressure only" with Wacom's
> EMR (electromagnetic resonance) based device. (I'm assuming here that the
> Samsung Android tablets use EMR technology for their pen). The classic
> problem I see when bad shielding is done at the engineering of the tablet is
> mostly line shaking, and a line jittering with the noise. So, I'm not sure
> what is exactly happening in your case. 
> 
> Can you reproduce the issue with another painting software using pressure
> sensitivity? 
> That would at least confirm it is a bug hardware specific.

I have tried a few different ones, namely hipaint, Medibang, sketchbook (from
Autodesk I think) I have not experienced any problems in those applications. I
also have a video of the issue, to show own it appears.

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[krita] [Bug 479462] Default pressure curve gives uneven on left part of tablet - S-pen

2024-01-06 Thread David REVOY
https://bugs.kde.org/show_bug.cgi?id=479462

David REVOY  changed:

   What|Removed |Added

 CC||i...@davidrevoy.com
 Status|REPORTED|NEEDSINFO
 Resolution|--- |WAITINGFORINFO

--- Comment #1 from David REVOY  ---
As far as I know, Krita manages the tablet equally across the canvas. So if you
experience a bug that affects only a part or specific spot of the canvas, e.g.
a pressure change that affects only a region as you describe, it's most likely
caused by bad engineering at the hardware level. 
I'm sorry. 
It could be bad electromagnetic shielding of the display, or a connector in
that area that is leaking and affecting the pressure sensitivity, 
I have never seen this happen specifically to "pressure only" with Wacom's EMR
(electromagnetic resonance) based device. (I'm assuming here that the Samsung
Android tablets use EMR technology for their pen). The classic problem I see
when bad shielding is done at the engineering of the tablet is mostly line
shaking, and a line jittering with the noise. So, I'm not sure what is exactly
happening in your case. 

Can you reproduce the issue with another painting software using pressure
sensitivity? 
That would at least confirm it is a bug hardware specific.

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