EPSG:7785 — WGS 84 / Tamil Nadu

Projected · India - Tamil Nadu

Export Formats

OGC WKT

PROJCS[
    "WGS 84 / Tamil Nadu",
    GEOGCS[
        "WGS 84",
        DATUM[
            "WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6326"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4326"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",10.875],
    PARAMETER["central_meridian",78.375],
    PARAMETER["scale_factor",0.9997942],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",1000000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","7785"]
]

WKT2

PROJCRS[
    "WGS 84 / Tamil Nadu",
    BASEGEOGCRS[
        "WGS 84",
        ENSEMBLE[
            "World Geodetic System 1984 ensemble",
            MEMBER["World Geodetic System 1984 (Transit)",ID["EPSG",1166]],
            MEMBER["World Geodetic System 1984 (G730)",ID["EPSG",1152]],
            MEMBER["World Geodetic System 1984 (G873)",ID["EPSG",1153]],
            MEMBER["World Geodetic System 1984 (G1150)",ID["EPSG",1154]],
            MEMBER["World Geodetic System 1984 (G1674)",ID["EPSG",1155]],
            MEMBER["World Geodetic System 1984 (G1762)",ID["EPSG",1156]],
            MEMBER["World Geodetic System 1984 (G2139)",ID["EPSG",1309]],
            MEMBER["World Geodetic System 1984 (G2296)",ID["EPSG",1383]],
            ELLIPSOID[
                "WGS 84",
                6378137,
                298.257223563,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7030]
            ],
            ENSEMBLEACCURACY[2],
            ID["EPSG",6326]
        ],
        ID["EPSG",4326]
    ],
    CONVERSION[
        "Tamil Nadu NSF TM",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            10.875,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            78.375,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9997942,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            1000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            1000000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",7752]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",7785]
]

PROJ.4

+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:7785", "+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 7785,
  "name": "WGS 84 / Tamil Nadu",
  "kind": "projected",
  "area": "India - Tamil Nadu",
  "unit": "metre",
  "bbox": [
    8.02,
    76.22,
    13.59,
    80.4
  ],
  "proj4": "+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7785, 'EPSG', 7785, '+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs', 'PROJCS["WGS 84 / Tamil Nadu",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",10.875],PARAMETER["central_meridian",78.375],PARAMETER["scale_factor",0.9997942],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7785"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=10.875"
  "+lon_0=78.375"
  "+k=0.9997942"
  "+x_0=1000000"
  "+y_0=1000000"
  "+datum=WGS84"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

7785=PROJCS["WGS 84 / Tamil Nadu",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",10.875],PARAMETER["central_meridian",78.375],PARAMETER["scale_factor",0.9997942],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7785"]]

Related Coordinate Systems (428)

Available Transformations (1293)

Transformations inherited from base CRS: EPSG:4326 (WGS 84)

Transformation	Source → Target	Accuracy (m)
JAD2001 to WGS 84 (1)	4758 → 4326	0
QND95 to WGS 84 (1)	4614 → 4326	0
PRS92 to WGS 84 (1)	4683 → 4326	0.05
Guadeloupe 1948 to WGS 84 (2)	4622 → 4326	0.1
LGD2006 to WGS 84 (1)	4754 → 4326	0.1
Martinique 1938 to WGS 84 (2)	4625 → 4326	0.1
WGS 84 to IG05/12 Intermediate CRS	4326 → 6990	0.1
Nahrwan 1967 to WGS 84 (12)	4270 → 4326	0.15
Pointe Noire to WGS 84 (3)	4282 → 4326	0.15
Bogota 1975 to WGS 84 (2)	4218 → 4326	0.2

Other CRS using World Geodetic System 1984 ensemble (366)

Frequently Asked Questions

How do I add EPSG:7785 to GeoServer?

Add the following definition to your GeoServer configuration:

7785=PROJCS["WGS 84 / Tamil Nadu",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",10.875],PARAMETER["central_meridian",78.375],PARAMETER["scale_factor",0.9997942],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7785"]]

Read the full GeoServer guide →

How do I add EPSG:7785 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7785, 'EPSG', 7785, '+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs', 'PROJCS["WGS 84 / Tamil Nadu",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",10.875],PARAMETER["central_meridian",78.375],PARAMETER["scale_factor",0.9997942],PARAMETER["false_easting",1000000],PARAMETER["false_northing",1000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7785"]]');

Read the full PostGIS guide →

How do I add EPSG:7785 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=10.875"
  "+lon_0=78.375"
  "+k=0.9997942"
  "+x_0=1000000"
  "+y_0=1000000"
  "+datum=WGS84"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:7785 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:7785", "+proj=tmerc +lat_0=10.875 +lon_0=78.375 +k=0.9997942 +x_0=1000000 +y_0=1000000 +datum=WGS84 +units=m +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

metre

Geodetic CRS

WGS 84

Datum

World Geodetic System 1984 ensemble

Area of Use

India - Tamil Nadu

India - Tamil Nadu; Pudacherry and Karaikal areas of Pudacherry territory.

Coordinate System

Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

Center Coordinates

992893.14 992259.40

Projected Bounds

1301193.49 762432.001219146.88 684912.93

WGS84 Bounds

13.59 76.2280.40 8.02

Data Source

EPSG

Information Source

Technical report TR 122:2005, National Natural Resources Management System (NNRMS) Secretariat, Indian Space Research Organisation.

Revision Date

2020-03-14

Scope

NNRMS National Spatial Framework (NSF) state resource database of medium resolution earth observation imagery and mapping.

EPSG

7785