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Geodetic CRS: Bogota 1975
Datum: Bogota 1975
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: Instituto Geografico Agustin Codazzi (IGAC) publication "Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia". http://www.igac.gov.co/MAGNAWEB/DocumentosMAGNA.htm
Revision date: 2007-07-02
Scope: Transformation of coordinates at accuracy of about 1 part in 10^5 of distance between points, depending on relative tectonic motion.
Remarks: May be taken as transformation to WGS 84 - see tfm code 15727. See Bogota 1975 to MAGNA-SIRGAS (10), tfm code 15736, for an equivalent transformation using the Molodenski-Badekas 10-parameter method. OGP recommends this alternative.
Method: Coordinate Frame rotation (geog2D domain)
Area of use: Colombia - region VII (south west). Onshore south of 3°N and west of 74°W.
Description: (0,)
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Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Bogota 1975 to MAGNA-SIRGAS (7)", VERSION["IGAC-Col CF reg 7"], SOURCECRS[ GEOGCRS["Bogota 1975", DATUM["Bogota 1975", ELLIPSOID["International 1924",6378388,297, 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",4218]]], TARGETCRS[ GEOGCRS["MAGNA-SIRGAS", DATUM["Marco Geocentrico Nacional de Referencia", 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",4686]]], METHOD["Coordinate Frame rotation (geog2D domain)", ID["EPSG",9607]], PARAMETER["X-axis translation",-305.356, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",222.004, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-30.023, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",-4.698084E-05, ANGLEUNIT["radian",1], ID["EPSG",8608]], PARAMETER["Y-axis rotation",5.003123E-06, ANGLEUNIT["radian",1], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-9.578655E-05, ANGLEUNIT["radian",1], ID["EPSG",8610]], PARAMETER["Scale difference",6.325747, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[1.0], USAGE[ SCOPE["Transformation of coordinates at accuracy of about 1 part in 10^5 of distance between points, depending on relative tectonic motion."], AREA["Colombia - region VII (south west). Onshore south of 3°N and west of 74°W."], BBOX[-1.13,-79.1,3.01,-74]], ID["EPSG",15726], REMARK["May be taken as transformation to WGS 84 - see tfm code 15727. See Bogota 1975 to MAGNA-SIRGAS (10), tfm code 15736, for an equivalent transformation using the Molodenski-Badekas 10-parameter method. OGP recommends this alternative."]]
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=intl +step +proj=helmert +x=-305.356 +y=222.004 +z=-30.023 +rx=-9.69049385992583 +ry=1.03196819622539 +rz=-19.7573941768278 +s=6.325747 +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:15726","+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=intl +step +proj=helmert +x=-305.356 +y=222.004 +z=-30.023 +rx=-9.69049385992583 +ry=1.03196819622539 +rz=-19.7573941768278 +s=6.325747 +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": "Bogota 1975 to MAGNA-SIRGAS (7)", "source_crs": { "type": "GeographicCRS", "name": "Bogota 1975", "datum": { "type": "GeodeticReferenceFrame", "name": "Bogota 1975", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "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": 4218 } }, "target_crs": { "type": "GeographicCRS", "name": "MAGNA-SIRGAS", "datum": { "type": "GeodeticReferenceFrame", "name": "Marco Geocentrico Nacional de Referencia", "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": 4686 } }, "method": { "name": "Coordinate Frame rotation (geog2D domain)", "id": { "authority": "EPSG", "code": 9607 } }, "parameters": [ { "name": "X-axis translation", "value": -305.356, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 222.004, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -30.023, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -4.698084e-05, "unit": { "type": "AngularUnit", "name": "radian", "conversion_factor": 1 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 5.003123e-06, "unit": { "type": "AngularUnit", "name": "radian", "conversion_factor": 1 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -9.578655e-05, "unit": { "type": "AngularUnit", "name": "radian", "conversion_factor": 1 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 6.325747, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "1.0", "scope": "Transformation of coordinates at accuracy of about 1 part in 10^5 of distance between points, depending on relative tectonic motion.", "area": "Colombia - region VII (south west). Onshore south of 3°N and west of 74°W.", "bbox": { "south_latitude": -1.13, "west_longitude": -79.1, "north_latitude": 3.01, "east_longitude": -74 }, "id": { "authority": "EPSG", "code": 15726 }, "remarks": "May be taken as transformation to WGS 84 - see tfm code 15727. See Bogota 1975 to MAGNA-SIRGAS (10), tfm code 15736, for an equivalent transformation using the Molodenski-Badekas 10-parameter method. OGP recommends this alternative." }
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=intl" "step" "proj=helmert" "x=-305.356" "y=222.004" "z=-30.023" "rx=-9.69049385992583" "ry=1.03196819622539" "rz=-19.7573941768278" "s=6.325747" "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=intl +step +proj=helmert +x=-305.356 +y=222.004 +z=-30.023 +rx=-9.69049385992583 +ry=1.03196819622539 +rz=-19.7573941768278 +s=6.325747 +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=intl +step +proj=helmert +x=-305.356 +y=222.004 +z=-30.023 +rx=-9.69049385992583 +ry=1.03196819622539 +rz=-19.7573941768278 +s=6.325747 +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 ( 15726, 'EPSG', 15726, '+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=intl +step +proj=helmert +x=-305.356 +y=222.004 +z=-30.023 +rx=-9.69049385992583 +ry=1.03196819622539 +rz=-19.7573941768278 +s=6.325747 +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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