EPSG:4170

SIRGAS 1995

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: SIRGAS 1995

Datum: Sistema de Referencia Geocentrico para America del Sur 1995

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: EPSG. See 3D CRS for original information source.

Revision date: 2019-07-17

Scope: Horizontal component of 3D system.

Remarks: Replaced by SIRGAS 2000 (CRS code 4674).

Area of use: South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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Center coordinates
-69.6 -21.56

WGS84 bounds:
-113.21 -59.87
-26.0 16.75

South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore.
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Definition: OGC Well Known Text

GEOGCS["SIRGAS 1995",
    DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",
        SPHEROID["GRS 1980",6378137,298.257222101,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6170"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4170"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["SIRGAS 1995",
    DATUM["Sistema de Referencia Geocentrico para America del Sur 1995",
        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]],
    USAGE[
        SCOPE["Horizontal component of 3D system."],
        AREA["South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore."],
        BBOX[-59.87,-113.21,16.75,-26]],
    ID["EPSG",4170]]

Definition: ESRI Well Known Text

GEOGCS["GCS_SIRGAS",
    DATUM["D_SIRGAS",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4170","+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "SIRGAS 1995",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Sistema de Referencia Geocentrico para America del Sur 1995",
        "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"
            }
        ]
    },
    "scope": "Horizontal component of 3D system.",
    "area": "South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore.",
    "bbox": {
        "south_latitude": -59.87,
        "west_longitude": -113.21,
        "north_latitude": 16.75,
        "east_longitude": -26
    },
    "id": {
        "authority": "EPSG",
        "code": 4170
    }
}

Definition: GeoServer

4170=GEOGCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4170"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4170, 'EPSG', 4170, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4170"]]');