How to customize transformation in Bentley map by Datum Grid methodhttps://communities.bentley.com/products/geospatial/desktop/f/bentley-map-forum/125774/how-to-customize-transformation-in-bentley-map-by-datum-grid-methodHow to customize transformation in Bentley map by Datum Grid method, I have two grid files and also geoid for that area. Please explain step by stepen-USTelligent Community 12RE: How to customize transformation in Bentley map by Datum Grid methodhttps://communities.bentley.com/thread/383896?ContentTypeID=1Fri, 16 Sep 2016 18:58:29 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0251898d-a72f-46bf-af58-b050893f9f9dDan Weston<p>Have a look at this thread: <a href="/products/geospatial/desktop/f/5924/p/106540/321977#321977">http://communities.bentley.com/products/geospatial/desktop/f/5924/p/106540/321977#321977</a> and then the <a href="/products/geospatial/desktop/w/geospatial_desktop__wiki/17646.coordinate-system-articles">Coordinate System Articles,</a> specifically the <a href="/products/geospatial/desktop/w/geospatial_desktop__wiki/9002.add-datum-andor-ellipsoid">Add datum and\or ellipsoid</a>&nbsp;article.&nbsp; Let us know if those help you.</p><div style="clear:both;"></div>