AutoCAD Civil 3D General Discussion

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jamesbarnett
Posts: 74
Registered: ‎01-09-2013
Message 1 of 4 (1,992 Views)
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Convert surface boundary to polyline

1992 Views, 3 Replies
02-01-2013 08:24 AM

I need to convert my surface boundary to a polyline so I can use it to clip another surface. Is there a simpler way than tracing it with the polyline command?



AutoCAD Civil 3D 2014 SP 1
Windows 7 (64)
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sjg
Posts: 534
Registered: ‎09-29-2010
Message 2 of 4 (1,987 Views)

Re: Convert surface boundary to polyline

02-01-2013 08:57 AM in reply to: jamesbarnett
Yeah. Turn your border on within your surface style, select surface and within contextual ribbon there is a extract objects icon, then a dialogue will pop up asking what you would like to extract. Uncheck everything except for border, hit ok. Border will be extracted as a 3dpolyline. Turn off border within surface style, CONVERT3DPOLYS, command to convert into polyline.
Steve Goessling
Land Consultants
Civil3D 2013
Windows 7, 64 bit
Intel i7 2600 @ 3.40Ghz
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dgordon
Posts: 1,464
Registered: ‎12-14-2006
Message 3 of 4 (1,961 Views)

Re: Convert surface boundary to polyline

02-01-2013 11:59 AM in reply to: sjg

also after getting a polyline from this method remember to use drawing cleanup with the simplify linear objects and set it to 0.5 tolerance to reduce the number of vertices drastically.

 

 

Dan

Civil 3D 2013
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www.preinnewhof.com
Valued Contributor
jamesbarnett
Posts: 74
Registered: ‎01-09-2013
Message 4 of 4 (1,947 Views)

Re: Convert surface boundary to polyline

02-01-2013 03:13 PM in reply to: jamesbarnett

Thanks guys!



AutoCAD Civil 3D 2014 SP 1
Windows 7 (64)

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