Creating an NAVD88 Geoid Adjustment File

Summary: The NGS geoid data files are not directly compatible with TerraScan. Also, the Convert Geoid File utility does not recognize this format. Hence, one must convert it to and “E N dz” format for use in TerraScan’s and TerraPhoto’s Adjust to Geoid tool. This workflow contains step by step instructions for converting NGS geoid data files to a format that TerraScan can use: TerraScan Creating an NAVD88 Geoid Correction File.

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