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Determine the direction of a polyline Printed From: CAD Forum Category: EN Forum Name: Civil 3D, Map, InfraWorks Forum Description: Discussion about mapping and GIS applications Map, Civil3D, InfraWorks, MapGuide and Raster Design URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=12326 Printed Date: 09.Jun.2026 at 22:25 Topic: Determine the direction of a polyline Posted By: danshepherd100 Subject: Determine the direction of a polyline Date Posted: 04.May.2017 at 17:42 I am just beginning to work with the C3D 2015 Grading function.  In setting elevations the elevation editor, how do you easily determine the direction of the polyline to set either grade ahead or grade back?  - Thanks

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