Hi, When I add a layer with OSGB36 (epsg:27700) projection to a project in QGS84 (epsg:4326), I am given an option to select the coordinate transformation to use. There are multiple options: https://epsg.io/27700. The best includes a custom correction grid, OSTN15_NTv2.
Once the layer has been added, is there a way to see which transformation was used? It isn't mentioned in the Coordinate Reference System section of the layer properties. The definition of OSGB36 in the project projection selection dialog doesn't mention the custom transformation grid. Is there a way to see it in the project XML? Thanks, John John A Stevenson PhD MSci FGS Senior Software Developer e [email protected]<mailto:[email protected]> w www.bgs.ac.uk<http://www.bgs.ac.uk/> o orcid.org/0000-0002-2245-1334<https://orcid.org/0000-0002-2245-1334> British Geological Survey | The Lyell Centre | Research Avenue South | Edinburgh EH14 4AP | UK [cid:[email protected]] This email and any attachments are intended solely for the use of the named recipients. If you are not the intended recipient you must not use, disclose, copy or distribute this email or any of its attachments and should notify the sender immediately and delete this email from your system. UK Research and Innovation (UKRI) has taken every reasonable precaution to minimise risk of this email or any attachments containing viruses or malware but the recipient should carry out its own virus and malware checks before opening the attachments. UKRI does not accept any liability for any losses or damages which the recipient may sustain due to presence of any viruses.
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