EPSG
Ministry of Regional Development and Public Works instruction № RD-02-20-12 of August 3, 2012
2016-04-27
Geodesy, engineering survey, topographic mapping.
Official transformation for converting existing geodetic and cartographic materials to BGS2005. Older CRSs (CS30, CS50, CS70) must first be transformed to Pulkovo 1942(83) before this transformation is applied.
Molodensky-Badekas (PV geog2D domain)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Pulkovo 1942(83) to BGS2005 (1)", VERSION["RD-Bul"], SOURCECRS[ GEOGCRS["Pulkovo 1942(83)", DATUM["Pulkovo 1942(83)", ELLIPSOID["Krassowsky 1940",6378245,298.3, 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",4178]]], TARGETCRS[ GEOGCRS["BGS2005", DATUM["Bulgaria Geodetic System 2005", 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]], ID["EPSG",7798]]], METHOD["Molodensky-Badekas (PV geog2D domain)", ID["EPSG",1063]], PARAMETER["X-axis translation",5, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-133, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-104, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",-1.4, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-2, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",3.4, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",-3.9901, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], PARAMETER["Ordinate 1 of evaluation point",4223032, LENGTHUNIT["metre",1], ID["EPSG",8617]], PARAMETER["Ordinate 2 of evaluation point",2032778, LENGTHUNIT["metre",1], ID["EPSG",8618]], PARAMETER["Ordinate 3 of evaluation point",4309209, LENGTHUNIT["metre",1], ID["EPSG",8667]], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Bulgaria - onshore."], BBOX[41.24,22.36,44.23,28.68]], ID["EPSG",7806], REMARK["Official transformation for converting existing geodetic and cartographic materials to BGS2005. Older CRSs (CS30, CS50, CS70) must first be transformed to Pulkovo 1942(83) before this transformation is applied."]]
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=krass +step +proj=molobadekas +x=5 +y=-133 +z=-104 +rx=-1.4 +ry=-2 +rz=3.4 +s=-3.9901 +px=4223032 +py=2032778 +pz=4309209 +convention=position_vector +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:7806","+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=krass +step +proj=molobadekas +x=5 +y=-133 +z=-104 +rx=-1.4 +ry=-2 +rz=3.4 +s=-3.9901 +px=4223032 +py=2032778 +pz=4309209 +convention=position_vector +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": "Pulkovo 1942(83) to BGS2005 (1)", "source_crs": { "type": "GeographicCRS", "name": "Pulkovo 1942(83)", "datum": { "type": "GeodeticReferenceFrame", "name": "Pulkovo 1942(83)", "ellipsoid": { "name": "Krassowsky 1940", "semi_major_axis": 6378245, "inverse_flattening": 298.3 } }, "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": 4178 } }, "target_crs": { "type": "GeographicCRS", "name": "BGS2005", "datum": { "type": "GeodeticReferenceFrame", "name": "Bulgaria Geodetic System 2005", "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": 7798 } }, "method": { "name": "Molodensky-Badekas (PV geog2D domain)", "id": { "authority": "EPSG", "code": 1063 } }, "parameters": [ { "name": "X-axis translation", "value": 5, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -133, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -104, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -1.4, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -2, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 3.4, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -3.9901, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } }, { "name": "Ordinate 1 of evaluation point", "value": 4223032, "unit": "metre", "id": { "authority": "EPSG", "code": 8617 } }, { "name": "Ordinate 2 of evaluation point", "value": 2032778, "unit": "metre", "id": { "authority": "EPSG", "code": 8618 } }, { "name": "Ordinate 3 of evaluation point", "value": 4309209, "unit": "metre", "id": { "authority": "EPSG", "code": 8667 } } ], "accuracy": "5.0", "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Bulgaria - onshore.", "bbox": { "south_latitude": 41.24, "west_longitude": 22.36, "north_latitude": 44.23, "east_longitude": 28.68 }, "id": { "authority": "EPSG", "code": 7806 }, "remarks": "Official transformation for converting existing geodetic and cartographic materials to BGS2005. Older CRSs (CS30, CS50, CS70) must first be transformed to Pulkovo 1942(83) before this transformation is applied." }
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=krass" "step" "proj=molobadekas" "x=5" "y=-133" "z=-104" "rx=-1.4" "ry=-2" "rz=3.4" "s=-3.9901" "px=4223032" "py=2032778" "pz=4309209" "convention=position_vector" "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=krass +step +proj=molobadekas +x=5 +y=-133 +z=-104 +rx=-1.4 +ry=-2 +rz=3.4 +s=-3.9901 +px=4223032 +py=2032778 +pz=4309209 +convention=position_vector +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=krass +step +proj=molobadekas +x=5 +y=-133 +z=-104 +rx=-1.4 +ry=-2 +rz=3.4 +s=-3.9901 +px=4223032 +py=2032778 +pz=4309209 +convention=position_vector +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 ( 7806, 'EPSG', 7806, '+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=krass +step +proj=molobadekas +x=5 +y=-133 +z=-104 +rx=-1.4 +ry=-2 +rz=3.4 +s=-3.9901 +px=4223032 +py=2032778 +pz=4309209 +convention=position_vector +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');