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I use a Wacom Graphire 4 (with the latest linuxwacom and gimp, obviously) but when I make long, curving strokes, I get straight lines as if GIMP is just taking shortcuts and calculating lines instead of where the stylus actually goes. Here's a quick image for illustration:
I've tried customizing my tablet's settings, made sure it had the maximum resolution and boundaries, tried altering the softness, everything. Is this a limitation of GIMP or something? I've used Photoshop in wine and had no issues with it, but I prefer GIMP's interface and tools.
Last edited by xelados (2008-12-11 11:20:00)
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Are you using the line tool or one of the drawing tools?
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That was made with the Brush tool.
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have you tried drawing with another pointing device to make sure its not the tablet?, ive just did a small runtest and got smooth lines with my touchpad...while my usb laser mouse gave a more jerky movement..
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It does the same thing with my mouse, as well. It's a simple Logitech laser mouse. The 'mouse' that goes to my Graphire also produces the same results.
Edit: This has always happened to me in GIMP, as far as I remember.
Edit2: I did some Googling, and it seems like this might be some sort of regression in Xorg somewhere, or the lack of a particular compile flag for linuxwacom. I'm looking into it now to see if I can find a fix.
Last edited by xelados (2008-12-11 14:07:45)
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I had the same problem (with a normal mouse) when I tried gimp with an older and slower machine..
With my "faster" computer it works well.. (fast= 2,6GHz pentium 4, 512MB RAM)
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My current system is a 2.21 GHz Athlon 64, 1 GB RAM, GeForce 7600 GT 256 MB, running openbox with no login manager. Nothing important should lag.
I tried using "--disable-quirk-tablet-rescale" in the PKGBUILD for linuxwacom, and it didn't fix the problem. I'm beginning to think this is an issue with xorg itself...
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I quick way to test if it's X is to install inkscape and try there.
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Inkscape seems to have the problem, too, but it's harder to reproduce. This only happens when I move the stylus quickly. Slow movements render fine. Of course, some things in art require quick, sometimes long movements to get right, so it's not like I can just slow down and expect it to fix things.
Last edited by xelados (2008-12-11 16:32:33)
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it must be related to the input driver, since my touchpad produces a smooth output while the laser mouse gives a jerky movement too......im not that worried since im no artist, just pointing out where to look at
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Which package should I look into for submitting a bug (or finding a fix) then?
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I have no problems with a graphire 3, can you post your xorg.conf and are you using the latest linuxwacom 0.8.2
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