EPSG:6995 DEPRECATED

City and County of San Francisco CS13 (US Survey feet)

Attributes

Data source: EPSG

Information source: San Francisco Enterprise GIS Program, Department of Technology, City and County of San Francisco.

Revision date: 2014-11-18

Scope: Engineering survey, topographic mapping.

Method: Transverse Mercator

Area of use: United States (USA) - California - San Francisco bay area - counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano and Sonoma.

Description: (0,)

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United States (USA) - California - San Francisco bay area - counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Santa Cruz, Solano and Sonoma.

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Definition: OGC Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",37.75],
PARAMETER["central_meridian",-122.45],
PARAMETER["scale_factor",1.000007E-06],
PARAMETER["false_easting",48000],
PARAMETER["false_northing",24000]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["City and County of San Francisco CS13 (US Survey feet)",
    METHOD["Transverse Mercator",
        ID["EPSG",9807]],
    PARAMETER["Latitude of natural origin",37.75,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-122.45,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",1.000007,
        SCALEUNIT["parts per million",1E-06],
        ID["EPSG",8805]],
    PARAMETER["False easting",157480,
        LENGTHUNIT["US survey foot",0.304800609601219],
        ID["EPSG",8806]],
    PARAMETER["False northing",78740,
        LENGTHUNIT["US survey foot",0.304800609601219],
        ID["EPSG",8807]],
    ID["EPSG",6995]]

Definition: ESRI Well Known Text

PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting",48000.0],
PARAMETER["False_Northing",24000.0],
PARAMETER["Central_Meridian",-122.45],
PARAMETER["Scale_Factor",1.000007E-06],
PARAMETER["Latitude_Of_Origin",37.75]

Definition: PROJ.4

+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007e-06 +x_0=48000 +y_0=24000

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:6995","+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007e-06 +x_0=48000 +y_0=24000");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "City and County of San Francisco CS13 (US Survey feet)",
    "method": {
        "name": "Transverse Mercator",
        "id": {
            "authority": "EPSG",
            "code": 9807
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": 37.75,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": -122.45,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 1.000007,
            "unit": {
                "type": "ScaleUnit",
                "name": "parts per million",
                "conversion_factor": 1e-06
            },
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 157480,
            "unit": {
                "type": "LinearUnit",
                "name": "US survey foot",
                "conversion_factor": 0.304800609601219
            },
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 78740,
            "unit": {
                "type": "LinearUnit",
                "name": "US survey foot",
                "conversion_factor": 0.304800609601219
            },
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 6995
    }
}

Definition: GeoServer

6995=PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007E-06],PARAMETER["false_easting",48000],PARAMETER["false_northing",24000]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=37.75"
	"lon_0=-122.45"
	"k=1.000007e-06"
	"x_0=48000"
	"y_0=24000"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007e-06 +x_0=48000 +y_0=24000">
	<Layer srs="+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007e-06 +x_0=48000 +y_0=24000">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6995, 'EPSG', 6995, '+proj=tmerc +lat_0=37.75 +lon_0=-122.45 +k=1.000007e-06 +x_0=48000 +y_0=24000', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",37.75],PARAMETER["central_meridian",-122.45],PARAMETER["scale_factor",1.000007E-06],PARAMETER["false_easting",48000],PARAMETER["false_northing",24000]');