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Geodetic CRS: MGI 1901
Datum: MGI 1901
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Republic Geodetic Authority, Serbia; www.rgz.gov.rs
Revision date: 2025-11-12
Scope: Topographic mapping.
Method: Coordinate Frame rotation (geog2D domain)
Area of use: Serbia including Vojvodina.
Description: (0,)
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Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["MGI 1901 to ETRS89-SRB [STRS00] (8)", VERSION["RGZ-Srb 0.5m 2020"], SOURCECRS[ GEOGCRS["MGI 1901", DATUM["MGI 1901", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, 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",3906]]], TARGETCRS[ GEOGCRS["ETRS89-SRB [STRS00]", DATUM["Serbian Spatial Reference System 2000", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[2010.63]], 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",8685]]], METHOD["Coordinate Frame rotation (geog2D domain)", ID["EPSG",9607]], PARAMETER["X-axis translation",577.84843, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",165.45019, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",390.43652, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",-4.93131, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",0.96052, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",13.05072, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",7.86546, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[0.46], USAGE[ SCOPE["Topographic mapping."], AREA["Serbia including Vojvodina."], BBOX[42.23,18.81,46.19,23.01]], ID["EPSG",9495]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=helmert +x=577.84843 +y=165.45019 +z=390.43652 +rx=-4.93131 +ry=0.96052 +rz=13.05072 +s=7.86546 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +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:9495","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=helmert +x=577.84843 +y=165.45019 +z=390.43652 +rx=-4.93131 +ry=0.96052 +rz=13.05072 +s=7.86546 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +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": "MGI 1901 to ETRS89-SRB [STRS00] (8)", "source_crs": { "type": "GeographicCRS", "name": "MGI 1901", "datum": { "type": "GeodeticReferenceFrame", "name": "MGI 1901", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 } }, "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": 3906 }, "remarks": "Adopted in 1924 replacing MGI (Ferro) (CRS code 4805). Densified in 1948. In Slovenia replaced by D96 (CRS code 4765). In Croatia replaced by HTRS96 (CRS code 4761). In Serbia replaced by SREF98 and then by SRB_ETRS89 (STRS00) (CRS codes 4075 and 8691)." }, "target_crs": { "type": "GeographicCRS", "name": "ETRS89-SRB [STRS00]", "datum": { "type": "GeodeticReferenceFrame", "name": "Serbian Spatial Reference System 2000", "anchor_epoch": 2010.63, "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": 8685 }, "remarks": "In Serbia replaces MGI 1901 and SREF98 (CRS codes 3906 and 4075)." }, "method": { "name": "Coordinate Frame rotation (geog2D domain)", "id": { "authority": "EPSG", "code": 9607 } }, "parameters": [ { "name": "X-axis translation", "value": 577.84843, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 165.45019, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 390.43652, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -4.93131, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0.96052, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 13.05072, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 7.86546, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "0.46", "scope": "Topographic mapping.", "area": "Serbia including Vojvodina.", "bbox": { "south_latitude": 42.23, "west_longitude": 18.81, "north_latitude": 46.19, "east_longitude": 23.01 }, "id": { "authority": "EPSG", "code": 9495 } }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=bessel" "step" "proj=helmert" "x=577.84843" "y=165.45019" "z=390.43652" "rx=-4.93131" "ry=0.96052" "rz=13.05072" "s=7.86546" "convention=coordinate_frame" "step" "inv" "proj=cart" "ellps=GRS80" "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 +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=helmert +x=577.84843 +y=165.45019 +z=390.43652 +rx=-4.93131 +ry=0.96052 +rz=13.05072 +s=7.86546 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +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 +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=helmert +x=577.84843 +y=165.45019 +z=390.43652 +rx=-4.93131 +ry=0.96052 +rz=13.05072 +s=7.86546 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +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 ( 9495, 'EPSG', 9495, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=bessel +step +proj=helmert +x=577.84843 +y=165.45019 +z=390.43652 +rx=-4.93131 +ry=0.96052 +rz=13.05072 +s=7.86546 +convention=coordinate_frame +step +inv +proj=cart +ellps=GRS80 +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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