Data source: EPSG
Information source: Mining decree of 1st January 1953.
Revision date: 2013-06-12
Scope: Minerals management (including oil and gas exploration and production).
Remarks: The origin of the grid is at 38.81973gN, 7.83445gE of Paris, near Djebel Kebar, at which the grid reference is 270582.
Method: Tunisia Mining Grid
Area of use: Tunisia - onshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["Tunisia Mining Grid", METHOD["Tunisia Mining Grid", ID["EPSG",9816]], PARAMETER["Latitude of false origin",36.5964, ANGLEUNIT["grad",0.0157079632679489], ID["EPSG",8821]], PARAMETER["Longitude of false origin",7.83445, ANGLEUNIT["grad",0.0157079632679489], ID["EPSG",8822]], PARAMETER["Easting at false origin",270, LENGTHUNIT["kilometre",1000], ID["EPSG",8826]], PARAMETER["Northing at false origin",360, LENGTHUNIT["kilometre",1000], ID["EPSG",8827]], ID["EPSG",19937]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Tunisia Mining Grid", "method": { "name": "Tunisia Mining Grid", "id": { "authority": "EPSG", "code": 9816 } }, "parameters": [ { "name": "Latitude of false origin", "value": 36.5964, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 }, "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": 7.83445, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 }, "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Easting at false origin", "value": 270, "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 }, "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 360, "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 }, "id": { "authority": "EPSG", "code": 8827 } } ], "id": { "authority": "EPSG", "code": 19937 } }
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 19937, 'EPSG', 19937, 'None', 'PROJECTION["Tunisia_Mining_Grid"],PARAMETER["latitude_of_origin",32.93676],PARAMETER["central_meridian",7.05100499999999],PARAMETER["false_easting",270000],PARAMETER["false_northing",360000]');