ESRI:102100 — WGS 1984 Web Mercator Auxiliary Sphere

Name: ESRI:102100 - WGS 1984 Web Mercator Auxiliary Sphere
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Deprecated

Projected · World - 85~S to 85~N

Export Formats

OGC WKT

PROJCS[
    "WGS_1984_Web_Mercator_Auxiliary_Sphere",
    GEOGCS[
        "GCS_WGS_1984",
        DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Mercator_Auxiliary_Sphere"],
    PARAMETER["False_Easting",0.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",0.0],
    PARAMETER["Standard_Parallel_1",0.0],
    PARAMETER["Auxiliary_Sphere_Type",0.0],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "WGS_1984_Web_Mercator_Auxiliary_Sphere",
    BASEGEOGCRS[
        "GCS_WGS_1984",
        DYNAMIC[FRAMEEPOCH[1990.5],MODEL["AM0-2"]],
        DATUM["D_WGS_1984",ELLIPSOID["WGS_1984",6378137.0,298.257223563]],
        PRIMEM["Greenwich",0.0],
        CS[ellipsoidal,2],
        AXIS["Latitude (lat)",north,ORDER[1]],
        AXIS["Longitude (lon)",east,ORDER[2]],
        ANGLEUNIT["Degree",0.0174532925199433]
    ],
    CONVERSION[
        "Mercator_Auxiliary_Sphere",
        METHOD["Mercator_Auxiliary_Sphere"],
        PARAMETER["False_Easting",0.0],
        PARAMETER["False_Northing",0.0],
        PARAMETER["Central_Meridian",0.0],
        PARAMETER["Standard_Parallel_1",0.0],
        PARAMETER["Auxiliary_Sphere_Type",0.0]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","3857"]
]

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 102100,
  "name": "WGS 1984 Web Mercator Auxiliary Sphere",
  "kind": "projected",
  "area": "World - 85~S to 85~N",
  "unit": null,
  "bbox": [
    -85.06,
    -180,
    85.06,
    180
  ],
  "proj4": null
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102100, 'ESRI', 102100, '', 'PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]');

GeoServer

How to add a projection to GeoServer? →

102100=PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:102100 to GeoServer?

Add the following definition to your GeoServer configuration:

102100=PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:102100 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102100, 'ESRI', 102100, '', 'PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0]]');

Read the full PostGIS guide →