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Converting 3D Poly to a Feature line

3 REPLIES 3
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Message 1 of 4
silvernich
7999 Views, 3 Replies

Converting 3D Poly to a Feature line

Hello all,

So I am attempting to create a simple grading daylight. I began with a 3D Polyline that has only 2 verticies. When I "Convert Feature Lines from Objects," it creates a feature line with 4 verticies. The 1st and last have the initial elevations from the 3D Poly, but the 2 new verticies seem to be pulling elevations off the surface below where I am working.

 

My questions are: 1) why are new verticies added? 2) can this be prevented?

 

I know that I can overwrite the slopes in elevation editor, but this seems like an unnecesarry extra step.

 

Thank you for your input

Civil 3D 2015
Windows 7, 64-bit, SP2
3 REPLIES 3
Message 2 of 4
tcorey
in reply to: silvernich

When you Create Feature Line from Objects, be sure you turn off the option to Assign Elevations.



Tim Corey
MicroCAD Training and Consulting, Inc.
Redding, CA
Autodesk Gold Reseller

New knowledge is the most valuable commodity on earth. -- Kurt Vonnegut
Message 3 of 4
AllenJessup
in reply to: silvernich

Or if you need to assign elevations uncheck ie.PNG in the Assign Elevations dialog box.

 

Allen



Allen Jessup
Engineering Specialist / CAD Manager

Message 4 of 4
silvernich
in reply to: AllenJessup

Thank you for your comments. I will see when I run into it again if I can give a more concrete example as both of your suggestions I believe I was already doing.

Civil 3D 2015
Windows 7, 64-bit, SP2

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