AutoCAD Map 3D General Discussion

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archaeoman
Posts: 26
Registered: ‎05-27-2013
Message 1 of 4 (247 Views)
Accepted Solution

Convert3dpolys in MAP3D

247 Views, 3 Replies
12-18-2013 01:31 PM

Dear all,

 

The perennial question of converting 3d polylines to 2d polylines. In Civil3D 2014 under modify there is a command to convert 3d polylines to 2d polylines.

 

Is there something similar for MAP3D 2014 or I need to resort to LISPs?

 

Thank you for your help.

 

Festive wishes

Archaeoman

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Alfred.NESWADBA
Posts: 8,888
Registered: ‎06-29-2007
Message 2 of 4 (229 Views)

Re: Convert3dpolys in MAP3D

12-18-2013 10:37 PM in reply to: archaeoman

Hi,

 

you can use command _MAPCLEAN and in the third dialog activate the checkmark for "3D-Polyline to Polyline"

The resulting elements are then polylines (LwPolyline) with an elevation (I guess from the Z-value of the first vertex).

 

- alfred -

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Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at
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antoniovinci
Posts: 1,594
Registered: ‎06-03-2011
Message 3 of 4 (219 Views)

Re: Convert3dpolys in MAP3D

12-19-2013 01:07 AM in reply to: Alfred.NESWADBA

...or simply _FLATTEN the selected objects to the Z=0 plane.

The result will be a mashed 3Dpoly, explodable to lines.

Active Contributor
archaeoman
Posts: 26
Registered: ‎05-27-2013
Message 4 of 4 (213 Views)

Re: Convert3dpolys in MAP3D

12-19-2013 01:32 AM in reply to: Alfred.NESWADBA
Thank you for all the responses. The MAPCLEAN solution actually converts 3D Polylines to polylines making it possible to change linetype to dash dot etc.
The flatten alternative converts them in 2d but are still 3D polylines.

Festive wishes

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