EPSG:17625

South West African Survey Grid zone 25

Attributes

Data source: EPSG

Information source: Chief Directorate Surveys and Land Information; Mowbray; South Africa.

Revision date: 2007-02-12

Scope: Cadastre, engineering survey, topographic mapping (large and medium scale).

Remarks: Transformation method sometimes described as "Gauss conform".

Method: Transverse Mercator (South Orientated)

Area of use: Namibia - east of 24°E.

Description: (0,)

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Namibia - east of 24°E.

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Definition: OGC Well Known Text

PROJECTION["Transverse_Mercator_South_Orientated"],
PARAMETER["latitude_of_origin",-22],
PARAMETER["central_meridian",25],
PARAMETER["scale_factor",1],
PARAMETER["false_easting",0],
PARAMETER["false_northing",0]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["South West African Survey Grid zone 25",
    METHOD["Transverse Mercator (South Orientated)",
        ID["EPSG",9808]],
    PARAMETER["Latitude of natural origin",-22,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",25,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",1,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",0,
        LENGTHUNIT["German legal metre",1.0000135965],
        ID["EPSG",8806]],
    PARAMETER["False northing",0,
        LENGTHUNIT["German legal metre",1.0000135965],
        ID["EPSG",8807]],
    ID["EPSG",17625]]

Definition: ESRI Well Known Text

PROJECTION["Transverse_Mercator_South_Orientated"],
PARAMETER["latitude_of_origin",-22.0],
PARAMETER["central_meridian",25.0],
PARAMETER["scale_factor",1.0],
PARAMETER["false_easting",0.0],
PARAMETER["false_northing",0.0]

Definition: PROJ.4

+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=25 +k=1 +x_0=0 +y_0=0

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:17625","+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=25 +k=1 +x_0=0 +y_0=0");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "South West African Survey Grid zone 25",
    "method": {
        "name": "Transverse Mercator (South Orientated)",
        "id": {
            "authority": "EPSG",
            "code": 9808
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": -22,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": 25,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 1,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "German legal metre",
                "conversion_factor": 1.0000135965
            },
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 0,
            "unit": {
                "type": "LinearUnit",
                "name": "German legal metre",
                "conversion_factor": 1.0000135965
            },
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 17625
    }
}

Definition: GeoServer

17625=PROJECTION["Transverse_Mercator_South_Orientated"],PARAMETER["latitude_of_origin",-22],PARAMETER["central_meridian",25],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"axis=wsu"
	"lat_0=-22"
	"lon_0=25"
	"k=1"
	"x_0=0"
	"y_0=0"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=25 +k=1 +x_0=0 +y_0=0">
	<Layer srs="+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=25 +k=1 +x_0=0 +y_0=0">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 17625, 'EPSG', 17625, '+proj=tmerc +axis=wsu +lat_0=-22 +lon_0=25 +k=1 +x_0=0 +y_0=0', 'PROJECTION["Transverse_Mercator_South_Orientated"],PARAMETER["latitude_of_origin",-22],PARAMETER["central_meridian",25],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0]');