EPSG:23837 — DGN95 / Indonesia TM-3 zone 50.1

Projected · Indonesia - 114°E to 117°E onshore

Export Formats

OGC WKT

PROJCS[
    "DGN95 / Indonesia TM-3 zone 50.1",
    GEOGCS[
        "DGN95",
        DATUM[
            "Datum_Geodesi_Nasional_1995",
            SPHEROID["WGS 84",6378137,298.257223563],
            TOWGS84[0,0,0,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4755"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",0],
    PARAMETER["central_meridian",115.5],
    PARAMETER["scale_factor",0.9999],
    PARAMETER["false_easting",200000],
    PARAMETER["false_northing",1500000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","23837"]
]

WKT2

PROJCRS[
    "DGN95 / Indonesia TM-3 zone 50.1",
    BASEGEOGCRS[
        "DGN95",
        DATUM[
            "Datum Geodesi Nasional 1995",
            ELLIPSOID[
                "WGS 84",
                6378137,
                298.257223563,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7030]
            ],
            ID["EPSG",6755]
        ],
        ID["EPSG",4755]
    ],
    CONVERSION[
        "Indonesia TM-3 zone 50.1",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            0,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            115.5,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.9999,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            200000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            1500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",17439]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",23837]
]

PROJ.4

+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:23837", "+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 23837,
  "name": "DGN95 / Indonesia TM-3 zone 50.1",
  "kind": "projected",
  "area": "Indonesia - 114°E to 117°E onshore",
  "unit": "metre",
  "bbox": [
    -9.15,
    114,
    4.37,
    117.01
  ],
  "proj4": "+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +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 (23837, 'EPSG', 23837, '+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["DGN95 / Indonesia TM-3 zone 50.1",GEOGCS["DGN95",DATUM["Datum_Geodesi_Nasional_1995",SPHEROID["WGS 84",6378137,298.257223563],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4755"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",115.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",200000],PARAMETER["false_northing",1500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23837"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=115.5"
  "+k=0.9999"
  "+x_0=200000"
  "+y_0=1500000"
  "+ellps=WGS84"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

23837=PROJCS["DGN95 / Indonesia TM-3 zone 50.1",GEOGCS["DGN95",DATUM["Datum_Geodesi_Nasional_1995",SPHEROID["WGS 84",6378137,298.257223563],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4755"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",115.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",200000],PARAMETER["false_northing",1500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23837"]]

Related Coordinate Systems

Available Transformations (3)

Transformations inherited from base CRS: EPSG:4755 (DGN95)

Transformation	Source → Target	Accuracy (m)
DGN95 to SRGI2013 (1)	4755 → 9470	0.2
DGN95 to WGS 84 (1)	4755 → 4326	1
ID74 to DGN95 (1)	4238 → 4755	3

Other CRS using Datum Geodesi Nasional 1995 (33)

Frequently Asked Questions

How do I add EPSG:23837 to GeoServer?

Add the following definition to your GeoServer configuration:

23837=PROJCS["DGN95 / Indonesia TM-3 zone 50.1",GEOGCS["DGN95",DATUM["Datum_Geodesi_Nasional_1995",SPHEROID["WGS 84",6378137,298.257223563],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4755"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",115.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",200000],PARAMETER["false_northing",1500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23837"]]

Read the full GeoServer guide →

How do I add EPSG:23837 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (23837, 'EPSG', 23837, '+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["DGN95 / Indonesia TM-3 zone 50.1",GEOGCS["DGN95",DATUM["Datum_Geodesi_Nasional_1995",SPHEROID["WGS 84",6378137,298.257223563],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4755"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",115.5],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",200000],PARAMETER["false_northing",1500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23837"]]');

Read the full PostGIS guide →

How do I add EPSG:23837 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=115.5"
  "+k=0.9999"
  "+x_0=200000"
  "+y_0=1500000"
  "+ellps=WGS84"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:23837 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:23837", "+proj=tmerc +lat_0=0 +lon_0=115.5 +k=0.9999 +x_0=200000 +y_0=1500000 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →