ESRI:102950

Cassini Bangladesh Zone 17 CHT

Attributes

Data source: ESRI

Information source: ESRI

Area of use: Bangladesh - CHT

Description: Cassini Bangladesh Zone 17 CHT

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
-340.97 -1605.25

Projected bounds:
-2838.71 -8622.91
2150.71 5418.74

WGS84 bounds:
91.7 21.1833
92.6667 23.7334

Bangladesh - CHT
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Definition: OGC Well Known Text

PROJCS["Cassini_Bangladesh_Zone_17_CHT",
    GEOGCS["Unknown datum based upon the Everest (1830 Definition) ellipsoid (deprecated)",
        DATUM["Not_specified_based_on_Everest_1830_Definition_ellipsoid",
            SPHEROID["Everest (1830 Definition)",6377299.36559538,300.801725543355,
                AUTHORITY["EPSG","7042"]],
            AUTHORITY["EPSG","6042"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4042"]],
    PROJECTION["Cassini_Soldner"],
    PARAMETER["latitude_of_origin",22.75],
    PARAMETER["central_meridian",92.25],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["chain",20.1168,
        AUTHORITY["EPSG","9097"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["ESRI","102950"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Cassini_Bangladesh_Zone_17_CHT",
    BASEGEOGCRS["Unknown datum based upon the Everest (1830 Definition) ellipsoid",
        DATUM["Not specified (based on Everest (1830 Definition) ellipsoid)",
            ELLIPSOID["Everest (1830 Definition)",20922931.8,300.801725543355,
                LENGTHUNIT["Indian foot",0.304799510248147]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4042]],
    CONVERSION["Cassini_Bangladesh_Zone_17_CHT",
        METHOD["Cassini-Soldner",
            ID["EPSG",9806]],
        PARAMETER["Latitude of natural origin",22.75,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",92.25,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",0,
            LENGTHUNIT["chain",20.1168],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["chain",20.1168],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["chain",20.1168]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["chain",20.1168]],
    USAGE[
        SCOPE["Not known."],
        AREA["Bangladesh - CHT"],
        BBOX[21.1833,91.7,23.7334,92.6667]],
    ID["ESRI",102950]]

Definition: ESRI Well Known Text

PROJCS["Cassini_Bangladesh_Zone_17_CHT",
    GEOGCS["GCS_Everest_1830",
        DATUM["D_Everest_1830",
            SPHEROID["Everest_1830",6377299.36559538,300.801725543355]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Cassini"],
    PARAMETER["False_Easting",0.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",92.25],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",22.75],
    UNIT["chain",20.1168]]

Definition: PROJ.4

+proj=cass +lat_0=22.75 +lon_0=92.25 +x_0=0 +y_0=0 +a=6377299.36559538 +b=6356098.35900516 +units=ch +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("ESRI:102950","+proj=cass +lat_0=22.75 +lon_0=92.25 +x_0=0 +y_0=0 +a=6377299.36559538 +b=6356098.35900516 +units=ch +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Cassini_Bangladesh_Zone_17_CHT",
    "base_crs": {
        "name": "Unknown datum based upon the Everest (1830 Definition) ellipsoid",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Not specified (based on Everest (1830 Definition) ellipsoid)",
            "ellipsoid": {
                "name": "Everest (1830 Definition)",
                "semi_major_axis": {
                    "value": 20922931.8,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "Indian foot",
                        "conversion_factor": 0.304799510248147
                    }
                },
                "semi_minor_axis": {
                    "value": 20853374.58,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "Indian foot",
                        "conversion_factor": 0.304799510248147
                    }
                }
            }
        },
        "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": 4042
        }
    },
    "conversion": {
        "name": "Cassini_Bangladesh_Zone_17_CHT",
        "method": {
            "name": "Cassini-Soldner",
            "id": {
                "authority": "EPSG",
                "code": 9806
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 22.75,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 92.25,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": 0,
                "unit": {
                    "type": "LinearUnit",
                    "name": "chain",
                    "conversion_factor": 20.1168
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 0,
                "unit": {
                    "type": "LinearUnit",
                    "name": "chain",
                    "conversion_factor": 20.1168
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": {
                    "type": "LinearUnit",
                    "name": "chain",
                    "conversion_factor": 20.1168
                }
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": {
                    "type": "LinearUnit",
                    "name": "chain",
                    "conversion_factor": 20.1168
                }
            }
        ]
    },
    "scope": "Not known.",
    "area": "Bangladesh - CHT",
    "bbox": {
        "south_latitude": 21.1833,
        "west_longitude": 91.7,
        "north_latitude": 23.7334,
        "east_longitude": 92.6667
    },
    "id": {
        "authority": "ESRI",
        "code": 102950
    }
}

Definition: GeoServer

102950=PROJCS["Cassini_Bangladesh_Zone_17_CHT",GEOGCS["Unknown datum based upon the Everest (1830 Definition) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Everest_1830_Definition_ellipsoid",SPHEROID["Everest (1830 Definition)",6377299.36559538,300.801725543355,AUTHORITY["EPSG","7042"]],AUTHORITY["EPSG","6042"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4042"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",22.75],PARAMETER["central_meridian",92.25],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["chain",20.1168,AUTHORITY["EPSG","9097"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102950"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=cass"
	"lat_0=22.75"
	"lon_0=92.25"
	"x_0=0"
	"y_0=0"
	"a=6377299.36559538"
	"b=6356098.35900516"
	"units=ch"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=cass +lat_0=22.75 +lon_0=92.25 +x_0=0 +y_0=0 +a=6377299.36559538 +b=6356098.35900516 +units=ch +no_defs +type=crs">
	<Layer srs="+proj=cass +lat_0=22.75 +lon_0=92.25 +x_0=0 +y_0=0 +a=6377299.36559538 +b=6356098.35900516 +units=ch +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 102950, 'ESRI', 102950, '+proj=cass +lat_0=22.75 +lon_0=92.25 +x_0=0 +y_0=0 +a=6377299.36559538 +b=6356098.35900516 +units=ch +no_defs +type=crs', 'PROJCS["Cassini_Bangladesh_Zone_17_CHT",GEOGCS["Unknown datum based upon the Everest (1830 Definition) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Everest_1830_Definition_ellipsoid",SPHEROID["Everest (1830 Definition)",6377299.36559538,300.801725543355,AUTHORITY["EPSG","7042"]],AUTHORITY["EPSG","6042"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4042"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",22.75],PARAMETER["central_meridian",92.25],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["chain",20.1168,AUTHORITY["EPSG","9097"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102950"]]');