Coordinate Frame rotation (geog2D domain)
Parameter values from PSAD56 to SIRGAS 1995 (1) (code 3971). Assumes SIRGAS 1995 and WGS 84 can be considered the same to within the accuracy of the transformation.
IGM Ecuador
2020-03-14
Engineering survey, topographic mapping.
South America (Ecuador) between 84°W and 78°W, northern hemisphere, onshore.
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
820245.18 -197422.25
496454.6 -557042.77
1145180.75 160664.19
-81.03 -5.01
-75.21 1.45
Definition: OGC Well Known Text
PROJCS["PSAD56 / UTM zone 17N", GEOGCS["PSAD56", DATUM["Provisional_South_American_Datum_1956", SPHEROID["International 1924",6378388,297], TOWGS84[-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4248"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-81], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","24817"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["PSAD56 / UTM zone 17N", BASEGEOGCRS["PSAD56", DATUM["Provisional South American Datum 1956", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4248]], CONVERSION["UTM zone 17N", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-81, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["South America (Ecuador) between 84°W and 78°W, northern hemisphere, onshore."], BBOX[0,-80.18,1.45,-78]], ID["EPSG",24817]]
Definition: ESRI Well Known Text
PROJCS["PSAD_1956_UTM_Zone_17N", GEOGCS["GCS_Provisional_S_American_1956", DATUM["D_Provisional_S_American_1956", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-81.0], PARAMETER["Scale_Factor",0.9996], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "PSAD56 / UTM zone 17N", "base_crs": { "name": "PSAD56", "datum": { "type": "GeodeticReferenceFrame", "name": "Provisional South American Datum 1956", "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": 4248 } }, "conversion": { "name": "UTM zone 17N", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -81, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "South America (Ecuador) between 84°W and 78°W, northern hemisphere, onshore.", "bbox": { "south_latitude": 0, "west_longitude": -80.18, "north_latitude": 1.45, "east_longitude": -78 }, "id": { "authority": "EPSG", "code": 24817 } }
Definition: GeoServer
24817=PROJCS["PSAD56 / UTM zone 17N",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297],TOWGS84[-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24817"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=utm +zone=17 +ellps=intl +towgs84=-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447 +units=m +no_defs +type=crs"> <Layer srs="+proj=utm +zone=17 +ellps=intl +towgs84=-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 24817, 'EPSG', 24817, '+proj=utm +zone=17 +ellps=intl +towgs84=-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447 +units=m +no_defs +type=crs', 'PROJCS["PSAD56 / UTM zone 17N",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297],TOWGS84[-60.31,245.935,31.008,-12.324,-3.755,7.37,0.447]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-81],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24817"]]');