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post #51 of 794
1/4/11 at 5:17am
Quote:
Originally Posted by outerspace View Post
I can measure perfect control and malfunction speeds by only software method and my hand.
No you can't.

Quote:
And how can I accurately measure level of prediction? Without painting circles ans lines because it's not accurately.
Theoretically you can test up to what angle the mouse still draws straight line (but not really simply with your hand).
Edited by Bullveyr - 1/4/11 at 5:19am
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post #52 of 794
1/4/11 at 6:08am
Quote:
Originally Posted by Bullveyr View Post
No you can't.
I can. I register the speed in counts per second by special logger. And after moves I open log file in the editor and scale graph (with special formula depends CPI and polling rate).

recorded movement for 718BK@1600 cpi:


for 400 cpi:


As you can see, movement with 400 cpi is absolutley clear of negaccel, skips, unstability etc. I can move mouse about 3 m/s and get stable graph too, but it's very hard - I can broke my mouse and hand.

Quote:
Theoretically you can test up to what angle the mouse still draws straight line (but not really simply with your hand).
I know this method. It's not accurately. I feel a little prediction, but dunno is more than MS mice or same. And if more when how much?
Edited by outerspace - 1/4/11 at 6:15am
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post #53 of 794
1/4/11 at 6:48am
Quote:
Originally Posted by outerspace View Post
I can. I register the speed in counts per second by special logger. And after moves I open log file in the editor and scale graph (with special formula depends CPI and polling rate).
Ok, that works fairly well for perfect control speed but not really for malfunction speed (depending on how the mouse reacts beyond its perfect control speed).
Allthough comparing it with other graphs would help to "better guess" it.

Quote:
I can move mouse about 3 m/s and get stable graph too, but it's very hard - I can broke my mouse and hand.
You need some workout.


Quote:
I know this method. It's not accurately. I feel a little prediction, but dunno is more than MS mice or same. And if more when how much?
It's the only one besides asking the the sensor manufacturer about the algorithm, which they won't give you.

PS: Those graphs look a little bit "flat" for a fast swipe to me.
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post #54 of 794
1/4/11 at 9:14am
Quote:
Originally Posted by Bullveyr View Post
Ok, that works fairly well for perfect control speed but not really for malfunction speed (depending on how the mouse reacts beyond its perfect control speed).
It's good for malfunction speed too. Not perfect, but good. When malfunction speed is reached, you can see skips (jump to zero in a peak) and/or very unstable peaks on graph.

Quote:
Originally Posted by Bullveyr View Post
PS: Those graphs look a little bit "flat" for a fast swipe to me.
It's not sensor unstability, it's my movement unstability (my pads width is 437 mm). It's easy to chek.

And, ADNS-3080 just fall to zero when malfunction speed is reached:

http://wikis.jp/interfacedevice/inde...aximumSpeed_en

***

You can record some your mouse movements with my logger, and I can say its negaccel and malfunction speed (if you reach it), if you move it proper.
Edited by outerspace - 1/4/11 at 9:27am
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post #55 of 794
1/4/11 at 12:29pm
Quote:
Originally Posted by outerspace View Post
It's good for malfunction speed too. Not perfect, but good. When malfunction speed is reached, you can see skips (jump to zero in a peak) and/or very unstable peaks on graph.
What I meant is that you can only "clearly" see where it hits the perfect control speed but dependant on how the sensor performs beyond that speed it can be hard to interpret at waht speed the sensor complety fails, especialy if the malfunction speed is a lot higher than the perfect control speed.


Quote:
It's not sensor unstability, it's my movement unstability (my pads width is 437 mm). It's easy to chek.
I meant that I find the acceleration a bit low and assumed a faster stop but my fast swipes would be way over 2m/s anyway.

Quote:
And, ADNS-3080 just fall to zero when malfunction speed is reached:
That's the thing, not all sensor and mice do.
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post #56 of 794
1/4/11 at 1:17pm
Quote:
Originally Posted by Bullveyr View Post
What I meant is that you can only "clearly" see where it hits the perfect control speed but dependant on how the sensor performs beyond that speed it can be hard to interpret at waht speed the sensor complety fails, especialy if the malfunction speed is a lot higher than the perfect control speed.
I know how to move mouse to get needed graph, and I know how looks a proper graph. If sensor gets unstabale, I clearly see that. I concede that in some cases it maybe hard to detect malfspeed even for me, but I can do another test where I can see this characteristic more clearly. I think I can get accuracy about +/- 0.1 m/s for malfspeed (if it less than 3 m/s).

Real problem for this test is mice with positive accelation and unstable behaviour in all speeds. For example Kinzu.

And of course I CAN'T accurately detect real malfspeed if mouse have negaccel! It's obviously. I can only say that it more or less 3 m/s. Sorry, I only now understand that you mean. English is foreign language for me. Very foreign as you can see. :-)
Edited by outerspace - 1/4/11 at 3:57pm
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post #57 of 794
1/5/11 at 3:13am
Does the Kinzu have random accel? Or is just just consistantly positive? Is there any way to gid rid of it?
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post #58 of 794
1/5/11 at 5:06am
Quote:
Originally Posted by outerspace View Post
English is foreign language for me. Very foreign as you can see. :-)
for me too
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post #59 of 794
1/6/11 at 6:51am
http://www.overclock.net/hardware-ne...wn-review.html

Potentially the first mouse with an Avago ADNS-3090.


Don't really care for the looks/materials of the mouse itself, but it does shed some light on features of the 3090.
Edited by Skylit - 1/6/11 at 7:14am
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post #60 of 794
1/7/11 at 7:20am
My measurement useless for this sheet? Can I or you add them?

Razer Krait have S3088 sensor, not A3088.
Edited by outerspace - 1/7/11 at 7:23am
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