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visualizing smoothing in mousetester

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post #41 of 53 (permalink) Old 12-02-2015, 10:48 AM
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Quote:
Originally Posted by qsxcv View Post



here's a hypothetical example:
suppose the motion is a constant 6 counts per millisecond.
let the sensor's smoothing be configured like this:
at 2000fps, the smoothing is simply averaging the last 4 frames
at 6000fps, the smoothing is simply averaging the last 12 frames.


Extrapolating from the data, the blip has a duration of ~6 reports. Assuming 7000fps, that's frames per report. It would seem to imply that it takes 42 frames to flush out the previous averages. At 125Hz, this should be a very, very large spike consisting of only a single report. Anyone care verify this?

It is a truth universally acknowledged, that the comfort of a Logitech shape, is inversely proportional to the R&D put into its making.
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post #42 of 53 (permalink) Old 12-02-2015, 12:43 PM - Thread Starter
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well you can mentally add up 8 points to see.
depending on the boundaries it would either be 1 or 2 points

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post #43 of 53 (permalink) Old 12-03-2015, 08:22 AM
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Would one consider this to be a sensor bug, a collinear variant of the MiCo jump? Or would this be more like a form of acceleration, albeit at a much smaller magnitude and much lower influence?

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post #44 of 53 (permalink) Old 12-03-2015, 11:07 AM - Thread Starter
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definitely a bug. idk what the mico jump is.

not really acceleration/variance as it's a transient event that happens on mode transitions

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post #45 of 53 (permalink) Old 12-03-2015, 11:11 AM
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I might call it a very weird prediction, even though it doesn't predict anything
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post #46 of 53 (permalink) Old 12-03-2015, 07:01 PM
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MiCo jump bug:

https://www.overclock.net/t/1569995/is-the-zowie-mico-jump-bug-present-in-all-cpi-or-just-at-1600cpi

It is a truth universally acknowledged, that the comfort of a Logitech shape, is inversely proportional to the R&D put into its making.
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post #47 of 53 (permalink) Old 12-03-2015, 07:23 PM - Thread Starter
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oh right that. the smoothing blips are unrelated to that. the motion continutes in the same direction.

it's pretty easy to actually see the cursor shoot forwards if you set your torq x5 to 6400dpi and windows sens to 2/11 or so. iirc, it happens exactly when you go above 20cm/s

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post #48 of 53 (permalink) Old 12-03-2015, 08:34 PM
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Quote:
Originally Posted by qsxcv View Post

oh right that. the smoothing blips are unrelated to that. the motion continutes in the same direction.

it's pretty easy to actually see the cursor shoot forwards if you set your torq x5 to 6400dpi and windows sens to 2/11 or so. iirc, it happens exactly when you go above 20cm/s

Hence I said "collinear" variant of the bug, obviously not the same cause but similar in that it is a discontinuous jump from what is considered acceptable motion.

It is a truth universally acknowledged, that the comfort of a Logitech shape, is inversely proportional to the R&D put into its making.
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post #49 of 53 (permalink) Old 12-05-2015, 09:08 PM
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Anyone care to test this on the chroma bedroom? I'm suspecting that they may have had reasons other than CPI wars that prompted them to come out with the Chroma model with increased CPI.

It is a truth universally acknowledged, that the comfort of a Logitech shape, is inversely proportional to the R&D put into its making.
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post #50 of 53 (permalink) Old 12-13-2015, 06:58 PM
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My own X5:







Interpretation?

It is a truth universally acknowledged, that the comfort of a Logitech shape, is inversely proportional to the R&D put into its making.
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