Global Mapper Pro

Change veritcal datum by raising DEM

Treebeard
Treebeard Global Mapper UserTrusted User
edited December 2012 in Elevation Data
Is there a way to raise or lower a dem surface globally, I need to change a surface from NAVD 88 to NGVD 29. the change will be ~3.81 feet where I am working.

Thanks!

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