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Old 03-27-2018, 08:46 PM   #1
ghostwheel
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[DPT-RP1] straight lines?

On my new RP1, lines don't seem to be straight. Drawn with a ruler, I get strange
wriggles. Even in the calibration page, when I draw the X, I get strange wriggles, so it is hard to calibrate. Is it just mine? Should I return it?

Below you can see my lines. All drawn with a ruler on screen (zoomed in... click for full page)





Actually, in this video you can see the problem a bit when the X is drawn. Mine is a bit worse, because the wriggle is in the middle of the X, not the edge:
https://youtu.be/ULCjmqKa5YU?t=5m36s
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Last edited by ghostwheel; 03-27-2018 at 09:03 PM.
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Old 03-28-2018, 06:20 AM   #2
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I heard the screen is not straight, so it may draw the line right, just that it will follow the curvatures of the screen and become wavy.
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Old 03-28-2018, 09:53 AM   #3
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My screen looks pretty straight.
I just tried Onyx Max, and it doesn't have the wavy line problem.
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Old 03-28-2018, 10:06 AM   #4
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My feeling is that it is an anti-aliasing algorithm gone wrong. The waviness seems to depend on the angle and is very regular foreach angle. Could it be that the resolution of the pen is lower than that of the screen, and Sony is trying to make up for that?

Does the RPT-S1 have this problem?
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Old 03-28-2018, 11:55 AM   #5
ghostwheel
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Sony support said it is a problem with the pen, and they will send me a replacement pen.
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Old 03-28-2018, 08:47 PM   #6
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Quote:
Originally Posted by ghostwheel View Post
On my new RP1, lines don't seem to be straight. Drawn with a ruler, I get strange
wriggles. Even in the calibration page, when I draw the X, I get strange wriggles, so it is hard to calibrate. Is it just mine? Should I return it?
It looks like perfectly wriggled straight line to me.
Why would you need perfectly straight line anyway.
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