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Conversion of ngvd29 to navd88

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Message 1 of 3
Gordon447
1104 Views, 2 Replies

Conversion of ngvd29 to navd88

Question can map 3d convert directly between NGVD29 and NAVD88? If so, where can I find the reference for this procedure? If not is there any documentation on map 3d not being able to do this.

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thepworth
in reply to: Gordon447

I don't belive you can.  I'd probably suggest taking points and running them through "vertcon" from the NGS Geodetic Toolbox first before bringing into either C3D or Map3D.  

 

I could be wrong, but I don't remember seeing it done before. 😞

 

Think of it as "Map2.5D" as the literature only talks about 2D Coordinate transformations.... 

 

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Gordon447
in reply to: thepworth

Thank You.

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