AutoCAD 2010/2011/2012

New Member
Posts: 1
Registered: ‎04-15-2012
Message 1 of 4 (1,279 Views)

curved lines become rough

1279 Views, 3 Replies
04-15-2012 01:47 PM

On 2012 and have run into a problem with curved lines...all curved lines circles etc. The intial draw properly but later when I go back to that portion of the drawing they are converted to rough lines...not a curve anymore segments of straight lines...cant seem to prevent if from happening. Any help would be appreciated.


*Expert Elite*
Posts: 880
Registered: ‎03-15-2008
Message 2 of 4 (1,268 Views)

Re: curved lines become rough

04-15-2012 08:56 PM in reply to: cpfromtor

And you won't prevent it from happening either.  That's how AutoCAD and the graphics work together.  There's nothing wrong with your circle or arc when you see it this way, however, and you can regenerate the display (REGEN) and it will display accurately again.  If you want to select or join something to the nearest point on a curve that is displaying with chords AutoCAD will select the curved object even if it doesn't appear that way.



Dave Hein, P.E.
*Expert Elite*
Posts: 1,604
Registered: ‎08-15-2008
Message 3 of 4 (1,254 Views)

Re: curved lines become rough

04-16-2012 07:13 AM in reply to: cpfromtor

Check VIEWRES setting, I keep mine at 500, others like to bump it all the way to 20000.  Either way at some point you may have to hit REGENALL.


Also check to make sure SHADEMODE is set to 2D.

If something I wrote can be interpreted two ways, and one of the ways makes you sad or angry, I meant the other one.
Distinguished Mentor
Posts: 610
Registered: ‎01-16-2007
Message 4 of 4 (1,228 Views)

Re: curved lines become rough

04-18-2012 07:56 AM in reply to: cpfromtor

These settings can be found under Options (op on command line) > Display tab > Display Resolution.  You can customize arc and circle smoothness, etc. on a per drawing basis.  You should incorporate the changes you make into your drawing template so all new drawings are set the way you want them by default.

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