Nivellement General de la France - IGN69
EPSG
EuroGeographics, http://crs.bkg.bund.de/crs-eu/
2020-04-30
Change of height to a different vertical reference surface.
Determined at 8 points. RMS residual 0.005m, maximum residual 0.010m. The IGN69 vertical reference surface is below the EVRF2000 vertical reference surface.
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["NGF IGN69 height to EVRF2000 height (1)", VERSION["EuG-Fra"], SOURCECRS[ VERTCRS["NGF-IGN69 height", VDATUM["Nivellement General de la France - IGN69"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5720]]], TARGETCRS[ VERTCRS["EVRF2000 height", VDATUM["European Vertical Reference Frame 2000"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5730]]], METHOD["Vertical Offset", ID["EPSG",9616]], PARAMETER["Vertical Offset",-0.486, LENGTHUNIT["metre",1], ID["EPSG",8603]], OPERATIONACCURACY[0.1], USAGE[ SCOPE["Change of height to a different vertical reference surface."], AREA["France - mainland onshore."], BBOX[42.33,-4.87,51.14,8.23]], ID["EPSG",5419], REMARK["Determined at 8 points. RMS residual 0.005m, maximum residual 0.010m. The IGN69 vertical reference surface is below the EVRF2000 vertical reference surface."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "NGF IGN69 height to EVRF2000 height (1)", "source_crs": { "type": "VerticalCRS", "name": "NGF-IGN69 height", "datum": { "type": "VerticalReferenceFrame", "name": "Nivellement General de la France - IGN69" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5720 } }, "target_crs": { "type": "VerticalCRS", "name": "EVRF2000 height", "datum": { "type": "VerticalReferenceFrame", "name": "European Vertical Reference Frame 2000" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5730 } }, "method": { "name": "Vertical Offset", "id": { "authority": "EPSG", "code": 9616 } }, "parameters": [ { "name": "Vertical Offset", "value": -0.486, "unit": "metre", "id": { "authority": "EPSG", "code": 8603 } } ], "accuracy": "0.1", "scope": "Change of height to a different vertical reference surface.", "area": "France - mainland onshore.", "bbox": { "south_latitude": 42.33, "west_longitude": -4.87, "north_latitude": 51.14, "east_longitude": 8.23 }, "id": { "authority": "EPSG", "code": 5419 }, "remarks": "Determined at 8 points. RMS residual 0.005m, maximum residual 0.010m. The IGN69 vertical reference surface is below the EVRF2000 vertical reference surface." }
Definition: Mapnik
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