Erroneous Short Lines in Sketches

[Garret_H]

I was tempted to call this short line syndrome...

When drawing lines in sketch mode, I constantly find myself accidentally creating short lines that appear before I intend to place the end point of the line I want to draw. This can be really frustrating when it affects a length I intend to draw, or starts the line at the wrong angle. 

I usually use "L" as a hotkey for line, but am not hitting enter after or anything else like that. It seems like my computer is restringing a double click? I'm not sure exactly why. 

Either suggestions to avoid something or to have a slight dwell time built in.

[matsimento]

i have actually bought a new mouse twice because of this, thinking they were broken. before researching and finding this post. good thing i did not throw them out! i am also still having this problem and it is getting very frustrating. having a hard time sometimes finding out why a sketch is under-constrained because there might be a tiny line somewhere

[DesignHJWZH]

Same problem here too. I've never once used click and hold to create an arc at the end of a line, maybe it might be an idea to give people like us a preference to disable this 'feature'.

[bwardley]

Just to follow on from a couple of weeks back. I recently ordered myself a new wireless mouse to replace my older wired one, and the new mouse appears to have completely stopped me from having this issue on Fusion. I would assume the latency delay in the wireless mouse is allowing Fusion an extra millisecond to think and not create random small lines due to the click and drag feature/bug. 

Not saying it's a definite fix, but seems to have done the trick for me. 

[g-andresen]

Hi,

It´s nice you found a solution for yourself.
Unfortunately, this effect does not only occur with wireless mice but also with many wired ones.

günther

[b10rok]

This drives me crazy!  I'm surprised I haven't found more people complaining about this.  I like to move fast and am often moving the mouse in the direction I want to draw before lifting my finger off the button, which causes the issue Garret_H posted.  Instead of making my workflow faster (if that was the intention with this) it makes it much slower because I have to deliberately click, un-click, and wait, every time I draw anything.

This should be simple to fix, just add an option in preferences to NOT complete sketch features on "un-click"/mouse-button-up actions.  All sketch features should start and end with a "click"/mouse-button-down action.

This is such a big problem for me that I'm actively looking for different CAD software because of it.  I've had problems pop-up in drawings enough times now that I can't trust them to be 100% accurate.

[DesignHJWZH]

I too am struggling with this issue. I have never once found a use for click and drag to form an arc, I can't imagine a scenario where I would want to do that. PLEASE let us disable it.

[firebloodphoenixHRBBH]

I also still have this issue from 2016 (when is first started using fusion) PLEASE give an option to disable it. or a slider to ajust the mouse sensitivity or SOMETHING.

[klavs.v]

having the same issues on my laptom and on my PC, LAptop has wirelkess, PC has wired mice, both have this issue.. i have started seeing this like a month ago and thought nothing of it at the first- only that i did something wrong, but now i see, its software issue.... If it's a feature, then no problem, just let us disable it.... if its a bug then just come out and say- woopsies, we made a blunder... Hate that kind of attitude.. it's feature my backside.... really really annoying... although i am using free licence but still- if its not working then its no! And thats that.

Just decided to vent out here so that autodesk sees more and more people getting frutrated about this.

[feman43]

I think it is still here. At least for me. Extremely frustrating and causes significant delay in project progress. I too have been through several mice attempting to remedy the problem. My shock is that this problem has persisted for so many years without correction. Unless it it has a solution I haven't uncovered yet of course. Seems like a simple enough correction to make. Just turn the feature off. Or give me a setting where we can turn on / off the feature in case some folks actually like this behavior.

[enervino]

There is a software called Xmouse button control where you can set the "debounce" time, it works better now at about 100ms, I have fewer short lines now, but still, every now and then i get some unwanted lines.

[feman43]

Hey Thanks enervino. I have messed around with the Logitech and Windows but it doesn't really work well. I'll give this a try. It really blows when you get these lines especially when you are on a roll and then some function or edit won't work and you have to stop and figure out what's going on and it turns out to be a microscopic, itty bitty little line segment... 

I downloaded the X-mouse and it seems to have helped. The access to the debounce filtering is a good thing to have.  I followed your lead and set it to 100 ms which should be plenty adequate. Thanks for the recommendation.

With that, I think this should be a feature available within Fusion which should have some help pages or setup pages devoted to. The problem is clearly related to a detection of multiple switch crossings coming from the mouse. It's a fairly common problem with software and switches don't close perfectly requiring a debounce function.. I'm actually kind of surprised it isn't readily accessible in the mouse setup within Windows and Fusion. 

Update:

Better but not fixed. I'm still getting errant lines. I'm going to increase the time to 150 ms and see.

[rstpeng]

I constantly find myself having to go searching for these tiny lines. Again this is the only CAD software where I've found this problem. It's extremely frustrating and time consuming.

[korpelakaj]

Im also gettin nuts with this problem. For me I only noticed this from about 2 years ago. Tried several different mices but still encountering the same issue on both my laptop and stationary.

Any news from Autodesk about fixing this issue?

[feman43]

Yeah, same here. This problem still exits and can be very frustrating especially when you go back to edit. 

[matsimento]

Constraining your sketch is made diffifult due to this issue. Is there
an add-in available to detecte these lines? Otherwise I am seriously
considering developing this add-in.

[g-andresen]

Hi,

As far as I know, there is currently no information about the cause of this behavior.
The assumption that changes in the mouse configuration lead to success cannot be generalized either.

günther

[matsimento]

I believe it is caused by the fact that there are two different modes of
drawing lines.

1. Either you press mouse button at start point and hold button down and
release at end point. Using this method will not produce the "micro-lines".

2. Or single click start point followed by single click end point. This
is where problems might arise if you have moved the cursor a tiny bit
(essentially using method 1 for a brief time) during the initial click.

A solution would be to introduce a setting where your preferred method
could be chosen. Or some sort of sensitivity setting.

[g-andresen]

Hi,

1. I think that the appearance of these lines would have been eliminated if their cause had been determined beyond doubt.
2. Moving the mouse while the button is pressed can (intentionally) lead to arcs.

günther

[rstpeng]

The only solution I've found is to use X-Button Mouse Control and set a debounce value. It doesn't completely remove it but definitely helps minimised the amount of occurrences

[wmhazzard]

The short lines are 100% caused by movement of the mouse mid click on line creation. An arc is only created when the mouse button is held down on the second line segment, if you hold the click and drag, a straight line is created for the first line segment.