Engineering survey and topographic mapping for railway applications.
Created in 2022 to support intermediate CRS "SCM22-IRF" in the emulation of the SCM22 Snake map projection.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticReferenceFrame", "name": "SCM22 Intermediate Reference Frame", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "scope": "Engineering survey and topographic mapping for railway applications.", "area": "United Kingdom (UK) - on or related to the Scottish central mainline rail route from Motherwell through Perth and Pitlochry to Inverness.", "bbox": { "south_latitude": 55.7, "west_longitude": -4.4, "north_latitude": 57.55, "east_longitude": -3.3 }, "id": { "authority": "EPSG", "code": 1320 } }