GCS - Custom Coordinate system

GCS - Creation of a custom coordinate system

 

Hi All,

Does anyone have any experience with creating a custom GCS? I have successfully followed the tutorial linked - https://communities.bentley.com/products/geospatial/desktop/w/geospatial_desktop__wiki/27585/--create-a-custom-geographic-coordinate-system 

I have a user defined coordinate system in place. I am able to edit the properties and create Datum and Ellipsoid properties.

I am looking to change the Coordinates to a new system on a local grid.

Does anyone know how this can be done?

Many thanks,

Ethan