https://communities.bentley.com/products/geospatial/desktop/f/bentley-map-forum/230518/what-is-an-inferred-featureWhat exactly is an &#39;Inferred Feature&#39;? We are running OCM (former Bentley Map and Microstation Connect). We have recently transformed our GDA94 database and our GDA94 CAD files independently to GDA2020 (using the two step method for CAD files) Nowen-USTelligent Community 12https://communities.bentley.com/thread/714123?ContentTypeID=1Mon, 30 May 2022 22:35:52 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:8bc6bf17-4bd5-49f2-8200-670fef4b39e0CVPANSW<p>Hi Alan, we have been using MGA94-56 - Map Grid of Australia Zone 56 (GDA94) for many years.</p> <p><img src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/5924/pastedimage1653949773183v1.png" alt=" " /></p> <p>The two step transformation to GDA2020 involves one correction (MGA94/GSB-56 - Map Grid of Australia Zone 56 (GDA94 NTv2to GDA2020), followed by one re-projection. The same method as outlined in the linked information.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/714118?ContentTypeID=1Mon, 30 May 2022 21:40:07 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:19b34745-3ddd-49e3-8442-51dcdcd35d15CVPANSW<p>Thank you Alan, I&#39;ll check our current GDA94.</p><div style="clear:both;"></div>https://communities.bentley.com/thread/714090?ContentTypeID=1Mon, 30 May 2022 13:48:12 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:3d33fb8a-a339-462a-b8e0-d0e2141cc122Alain Robert<p>Refer to <a href="/products/geospatial/desktop/f/bentley-map-forum/174192/new-gda2020-geocoordinate-systems-in-ce---how-does-it-work/502745#502745">https://communities.bentley.com/products/geospatial/desktop/f/bentley-map-forum/174192/new-gda2020-geocoordinate-systems-in-ce---how-does-it-work/502745#502745</a></p> <p>The 1.4 meter difference appears consistent with the wrong version of GDA94 being used prior to reprojection.</p><div style="clear:both;"></div>