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CAD tip CAD tip # 11074:

   
Question CAD 
 %  platform  category 
Q - question

How to convert a 2D polyline to 3D or vice-versa?
A - answer The conversion tools for changing 2D polylines to 3D polylines and for changing 3D polylines to 2D polylines can be found in AutoCAD Civil 3D in the ribbon Modify > Project.

Expand the Project panel with the arrow next to its name and from the expanded menu choose the function "Convert 2D to 3D Polylines" (CONVERTPLINES) or "Convert 3D to 2D Polylines" (CONVERT3DPOLYS).

When converting entities of the type "3D Polyline" to 2D, the vertex Z-coordinate information is lost.

Civil
100% *  CAD 
31.8.2016    30504×  
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applies to: Civil 3D ·

See also:
Tip 13847:Pringles in AutoCAD - a hyperbolic paraboloid.
Tip 13183:Lin2Cyl - bulk conversion of lines to 3D cylinders.
Tip 12239:How to extract isolines from a surface of a 3D object?
Tip 11769:How to convert border lines (rails) to a surface?
Tip 11054:Difference volume (3D solid) between two TIN surfaces (sets of coordinates)
Selected tip: How to record a walkthrough animation in AutoCAD 2007?


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