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DPI depending on monitor resolution?

post #1 of 26
Thread Starter 
I read that the minimum DPI you need to have pixel perfect aim depends on your resolution.

Is this true and can anyone explain me this? I really don't get it. Can't you just use 400 DPI and then crank up sensitivity? So you get your desired cm/360?
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post #2 of 26
put ingame sensitivity to 1 and adjust DPI.. .gives you good speed and most accurate aim... if too shake then lower dpi and raise sens... depends on the game on BF3 i just stick to 450 dpi.
post #3 of 26
Doesnt Matter

Personal preference

i dont follow to these kind of things


Anyway Razer and Steelseries had some debate about if DPI is not useful or useful smile.gif here is it

http://arstechnica.com/gaming/news/2010/02/does-dpi-matter-in-gaming-mice-one-mouse-maker-says-no.ars
(STEELSERIES SAID IT DOESN'T MATTER)



http://arstechnica.com/gaming/news/2010/03/razer-fires-back-why-dpi-in-a-gaming-mouse-does-matter.ars
(RAZER FIRES BACK )
post #4 of 26
I could give you a very detailed answer, but it's going to depend on the game and or engine you rely on.
post #5 of 26
Thread Starter 
How is it in TF2 for example?
I use: FOV 90, 1920x1200 resolution, windows sense 6/11, no pointer precision and markc mouse fix, 400 dpi and 5.1 sens ingame

I'm interested in the thought process behind these things so I understand the concept and can apply it to all of the games I play smile.gif

I understand that values > 6 for windows sense (multiplier > 1) introduces pixel skipping, whereas value < 6 (multiplier < 1) isn't perfect either but it doesn't introduce pixel skipping at least. Does this apply to games as well? I mean it's almost impossible to find a perfect setup with using sensitivity 1 in game and only using DPI for fine tuning. So is it better to have like a sense of 0.5 instead of my current sense of 5.1 and then adjust dpi accordingly?

I'm using a Logitech G9x btw on a Roccat Taito (cloth pad). I read that there are problems with my mouse at high DPI on a cloth pad? mad.gif
Edited by Margou - 4/25/12 at 11:54am
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post #6 of 26
Sensitivity 1.0 isn't better than any other sensitivity value. For your resolution sensitivity 2.0 should be low enough to prevent pixel skipping (http://www.overclock.net/t/1204805/best-dpi-settings/20#post_16282888).

Mouse DPI has no connection with screen resolution.
Edited by Glymbol - 4/25/12 at 12:15pm
post #7 of 26
^It does, but FPS/3D engines require modification of m_yaw and pitch.

Sucky/quick explanation before im late to class:

Via default engine settings: High Res + lower CPI + high sensitivity combo has a larger control factor.

Via default engine settings: Low res + higher CPI + lower sensitivity combo has a lower control factor and or what can be referred to as "precision"

900 CPI on a vertical res of 900 Pixels is 1:1 or close to it depending on mouse hardware.

CPI and resolution values can be calculated by simply diving one value with another. IE 450 CPI on 600 vertical res= "1.33333~" Sensitivity/360 (0.022) is the same on other resolutions via same CPI, but the feel or amount of control changes as you modify either value.

Higher Sensitivity on 0.022 or any m_yaw/pitch value is less "precise" as you increase it but you gain higher amounts of "control" even if the 360 values are the same compared to other combos.

Default m_yaw and pitch values in quake engines are 0.022. The issue arises if this value isn't or cant be changed. IE: online source engine games clamp m_pitch to 0.022.

What this leads too:

800x600 + 400 CPI (1.5) + 3 Sensitivity + 0.022 m_yaw and pitch

Should =

1600x1200 + 800 CPI (1.5) + 3 sensitivity + 0.011 m_yaw and pitch



I'll rephrase or attempt to explain better later.
Edited by Skylit - 4/25/12 at 1:15pm
post #8 of 26
http://www.funender.com/quake/mouse/index.html

with ur settings, it says you need 751 DPI for pixel perfect aiming.

when u zoom, you need alot more than this aswell.
Edited by thuNDa - 4/25/12 at 1:08pm
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post #9 of 26
pixel perfection does not mean anything if we are talking about aim.
increasing resolution increases only the pixels we are playing with, but the input is exactly the same.
i mean: if you play well at 800*600 with "pixel perfection" you are going to play exactly the same way with the same sensitivity at 1600*1200, even if you skip pixels:
that's because the amount of degrees you are turning in a defined space is the same, regardless of the resolution, the only difference is that at higher resolution the minimum movement you can make is bigger than the pixel, in other words the minimum visual entity.
Matter of fact: if there are pro players using 400 dpi 4.5 ingame without any loss in aim at low resolution, you can play at higher resolution with a similar sens without even thinkin about it.
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post #10 of 26
Of course! If you are able to aim at any target, no matter how far it is, then you don't need any better precision. I will repeat this again: sensitivity (including m_yaw, m_pitch) and screen resolution are the only settings responsible for so called "pixel skipping". DPI doesn't have connection with this issue. It's simply "speed" of your pointer on desktop or rotation in FPS game. That means you could use 5000 DPI mouse and still "skip" pixels.
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