Global Mapper v24.1

Exporting DTM Mesh and no elevation values

Gamu
Gamu
in Raster Data

Hello.

I have been trying to create a Mesh DTM but whenever l export it, the mesh has no elevation values. How do l go about it?

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  • DerrickW
    DerrickW

    Can you add some more details about how you're trying to use the "mesh"?


    It sounds to me like you're trying to export a Raster DTM to something like a Triangulated Irregular network (TIN) DTM, to be used in CAD software?


    If that's the case.....

    Export Elevation Grid to "LandXML" file format

    (Optional) - Bring the LandXML file back in to GLobal Mapper and simplify it, then export it back out as a simplified version (CAD doesn't handle massive surfaces as well as GIS)

    Ex:

    image.png


    After exporting to landxml, here is the same file after importing back in (TIN matches raster grid spacing that was exported)

    image.png


    Simplify TIN

    image.png

    Simplified TIN:

    image.png


    image.png


    Including Elevations

    image.png


    image.png
    image.png


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