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…

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Using different Geiods in ASP Suite

Using Different Geoids in ASP Suite Note: This workflow is experimental. If any issues are encountered using this workflow, please contact AirGon support. Users can load additional Geiods to the ASP Suite.   The file must be in .gtx format. You can convert those files with VDATUM. Here is a link to this: https://vdatum.noaa.gov/download_agreement.php   Find…

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