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Geodetic CRS: ETRS89/DREF91/2016
Datum: ETRS89/DREF91 Realization 2016
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: AdV (Working Committee of the Surveying Authorities of the States of the Federal Republic of Germany).
Revision date: 2023-03-06
Scope: Reversible geoid model transformation.
Remarks: Reversible alternative to ETRS89/DREF91/2016 to DHHN2016 height (1) (code 10294). Accuracy approx. 1 cm in the lowlands, approx. 2 cm in the high mountains and 2 - 6 cm offshore.
Method: Geog3D to Geog2D+GravityRelatedHeight (txt)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ETRS89/DREF91/2016 to ETRS89/DREF91/2016 + DHHN2016 height (1)", VERSION["AdV-Deu 2016"], SOURCECRS[ GEOGCRS["ETRS89/DREF91/2016", DATUM["ETRS89/DREF91 Realization 2016", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",10283]]], TARGETCRS[ COMPOUNDCRS["ETRS89/DREF91/2016 + DHHN2016 height", GEOGCRS["ETRS89/DREF91/2016", DATUM["ETRS89/DREF91 Realization 2016", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]], VERTCRS["DHHN2016 height", VDATUM["Deutsches Haupthoehennetz 2016"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",10293]]], METHOD["Geog3D to Geog2D+GravityRelatedHeight (txt)", ID["EPSG",1098]], PARAMETERFILE["Geoid (height correction) model file","GCG2016.txt"], INTERPOLATIONCRS[ GEOGCRS["ETRS89/DREF91/2016", DATUM["ETRS89/DREF91 Realization 2016", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]]], OPERATIONACCURACY[0.02], USAGE[ SCOPE["Reversible geoid model transformation."], AREA["Germany - onshore - states of Baden-Wurtemberg, Bayern, Berlin, Brandenburg, Bremen, Hamburg, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Sachsen, Sachsen-Anhalt, Schleswig-Holstein, Thuringen."], BBOX[47.27,5.86,55.09,15.04]], ID["EPSG",10295], REMARK["Reversible alternative to ETRS89/DREF91/2016 to DHHN2016 height (1) (code 10294). Accuracy approx. 1 cm in the lowlands, approx. 2 cm in the high mountains and 2 - 6 cm offshore."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:10295","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=de_bkg_gcg2016.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ETRS89/DREF91/2016 to ETRS89/DREF91/2016 + DHHN2016 height (1)", "source_crs": { "type": "GeographicCRS", "name": "ETRS89/DREF91/2016", "datum": { "type": "GeodeticReferenceFrame", "name": "ETRS89/DREF91 Realization 2016", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 10283 } }, "target_crs": { "type": "CompoundCRS", "name": "ETRS89/DREF91/2016 + DHHN2016 height", "components": [ { "type": "GeographicCRS", "name": "ETRS89/DREF91/2016", "datum": { "type": "GeodeticReferenceFrame", "name": "ETRS89/DREF91 Realization 2016", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] } }, { "type": "VerticalCRS", "name": "DHHN2016 height", "datum": { "type": "VerticalReferenceFrame", "name": "Deutsches Haupthoehennetz 2016" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 10293 } }, "interpolation_crs": { "type": "GeographicCRS", "name": "ETRS89/DREF91/2016", "datum": { "type": "GeodeticReferenceFrame", "name": "ETRS89/DREF91 Realization 2016", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 10284 } }, "method": { "name": "Geog3D to Geog2D+GravityRelatedHeight (txt)", "id": { "authority": "EPSG", "code": 1098 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "GCG2016.txt", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.02", "scope": "Reversible geoid model transformation.", "area": "Germany - onshore - states of Baden-Wurtemberg, Bayern, Berlin, Brandenburg, Bremen, Hamburg, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Sachsen, Sachsen-Anhalt, Schleswig-Holstein, Thuringen.", "bbox": { "south_latitude": 47.27, "west_longitude": 5.86, "north_latitude": 55.09, "east_longitude": 15.04 }, "id": { "authority": "EPSG", "code": 10295 }, "remarks": "Reversible alternative to ETRS89/DREF91/2016 to DHHN2016 height (1) (code 10294). Accuracy approx. 1 cm in the lowlands, approx. 2 cm in the high mountains and 2 - 6 cm offshore." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "inv" "proj=vgridshift" "grids=de_bkg_gcg2016.tif" "multiplier=1" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=de_bkg_gcg2016.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=de_bkg_gcg2016.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10295, 'EPSG', 10295, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=de_bkg_gcg2016.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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