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    What does the elevation field represent?

       
      Applies To 
       
      Product(s): MicroStation
      Version(s): 08.11.07.443
      Environment:  Windows 7 32 bit
      Area:  Base Geometry
      Subarea:  N\A
      Original Author: Reginald Wallace, Bentley Technical Support Group
       

    Problem

    What does the elevation field represent?

    When placing a linestring in 3d file there is a value in the "Elevation"
    field when doing an element information. What does this value represent?

    Solution

    The elevation value was added to support DWG's concept of "light weight polyline" which is essentially a 2D linestring with a z-depth from the world origin. So if a linestring has a plane then the elevation is the z-coordinate of the plane. If you move a point of a linestring to make it sit on ZX plane, then you get its elevation on y-coordinate.

    MicroStation programmatically captures information regarding the z-plane through an expression that the linestring falls in. So the value shown in elevation field is reporting the z-coordinate value of this plane.

    See Also

    http://communities.bentley.com/communities/other_communities/askinga/w/askinga/3d-microstation.aspx

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    • Reginald Wallace Created by Bentley Colleague Reginald Wallace
    • When: Wed, Aug 13 2014 3:02 PM
    • A_F Last revision by Bentley Colleague A_F
    • When: Sun, Dec 31 2017 5:33 PM
    • Revisions: 2
    • Comments: 0
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