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Geodetic CRS: Kalianpur 1975
Datum: Kalianpur 1975
Ellipsoid: Everest 1830 (1975 Definition)
Prime meridian: Greenwich
Data source: EPSG
Information source: U.S. Defense Mapping Agency TR8350.2 revision of August 1993.
Revision date: 2020-03-14
Scope: Military survey.
Remarks: Derived at 7 stations. Accuracy 12m, 10m and 15m in X, Y and Z axes. Care! DMA ellipsoid is inconsistent with EPSG ellipsoid - transformation parameter values may not be appropriate. Also source CRS may not apply to Nepal.
Method: Geocentric translations (geog2D domain)
Area of use: India - mainland onshore; Nepal.
Description: (295.0, 736.0, 257.0, 0.0, 0.0, 0.0, 0.0)
&stroke=red&width=2&path=8.02,68.13|35.51,68.13|35.51,97.42|8.02,97.42|8.02,68.13)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Kalianpur 1975 to WGS 84 (1)", VERSION["DMA-Ind Npl"], SOURCECRS[ GEOGCRS["Kalianpur 1975", DATUM["Kalianpur 1975", ELLIPSOID["Everest 1830 (1975 Definition)",6377299.151,300.8017255, 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]], ID["EPSG",4146]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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]], ID["EPSG",4326]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",295, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",736, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",257, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[22.0], USAGE[ SCOPE["Military survey."], AREA["India - mainland onshore; Nepal."], BBOX[8.02,68.13,35.51,97.42]], ID["EPSG",1156], REMARK["Derived at 7 stations. Accuracy 12m, 10m and 15m in X, Y and Z axes. Care! DMA ellipsoid is inconsistent with EPSG ellipsoid - transformation parameter values may not be appropriate. Also source CRS may not apply to Nepal."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377299.151 +rf=300.8017255 +step +proj=push +v_3 +step +proj=cart +a=6377299.151 +rf=300.8017255 +step +proj=helmert +x=295 +y=736 +z=257 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:1156","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377299.151 +rf=300.8017255 +step +proj=push +v_3 +step +proj=cart +a=6377299.151 +rf=300.8017255 +step +proj=helmert +x=295 +y=736 +z=257 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +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": "Kalianpur 1975 to WGS 84 (1)", "source_crs": { "type": "GeographicCRS", "name": "Kalianpur 1975", "datum": { "type": "GeodeticReferenceFrame", "name": "Kalianpur 1975", "ellipsoid": { "name": "Everest 1830 (1975 Definition)", "semi_major_axis": 6377299.151, "inverse_flattening": 300.8017255 } }, "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": 4146 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": 295, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 736, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 257, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "22.0", "scope": "Military survey.", "area": "India - mainland onshore; Nepal.", "bbox": { "south_latitude": 8.02, "west_longitude": 68.13, "north_latitude": 35.51, "east_longitude": 97.42 }, "id": { "authority": "EPSG", "code": 1156 }, "remarks": "Derived at 7 stations. Accuracy 12m, 10m and 15m in X, Y and Z axes. Care! DMA ellipsoid is inconsistent with EPSG ellipsoid - transformation parameter values may not be appropriate. Also source CRS may not apply to Nepal." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "inv" "proj=longlat" "a=6377299.151" "rf=300.8017255" "step" "proj=push" "v_3" "step" "proj=cart" "a=6377299.151" "rf=300.8017255" "step" "proj=helmert" "x=295" "y=736" "z=257" "step" "inv" "proj=cart" "ellps=WGS84" "step" "proj=pop" "v_3" "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=longlat +a=6377299.151 +rf=300.8017255 +step +proj=push +v_3 +step +proj=cart +a=6377299.151 +rf=300.8017255 +step +proj=helmert +x=295 +y=736 +z=257 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +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=longlat +a=6377299.151 +rf=300.8017255 +step +proj=push +v_3 +step +proj=cart +a=6377299.151 +rf=300.8017255 +step +proj=helmert +x=295 +y=736 +z=257 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +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 ( 1156, 'EPSG', 1156, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=longlat +a=6377299.151 +rf=300.8017255 +step +proj=push +v_3 +step +proj=cart +a=6377299.151 +rf=300.8017255 +step +proj=helmert +x=295 +y=736 +z=257 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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