EPSG:6770

Oregon Coast zone (international foot)

Attributes

Data source: EPSG

Information source: Oregon Department of Transportation.

Revision date: 2023-11-22

Scope: Engineering survey.

Remarks: If using Hotine Oblique Mercator (variant B) method (code 9815), Ec=442071.300 ft, Nc=1211086.049 ft. See code 6769 for equivalent metric definition.

Method: Hotine Oblique Mercator (variant A)

Area of use: United States (USA) - Oregon - coastal area.

Description: (0,)

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United States (USA) - Oregon - coastal area.

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Definition: OGC Well Known Text

PROJECTION["Hotine_Oblique_Mercator"],
PARAMETER["latitude_of_center",44.75],
PARAMETER["longitude_of_center",-124.05],
PARAMETER["azimuth",5],
PARAMETER["rectified_grid_angle",5],
PARAMETER["scale_factor",1],
PARAMETER["false_easting",-299999.9999988],
PARAMETER["false_northing",-4600000.00001208]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Oregon Coast zone (international foot)",
    METHOD["Hotine Oblique Mercator (variant A)",
        ID["EPSG",9812]],
    PARAMETER["Latitude of projection centre",44.75,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8811]],
    PARAMETER["Longitude of projection centre",-124.05,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8812]],
    PARAMETER["Azimuth of initial line",5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8813]],
    PARAMETER["Angle from Rectified to Skew Grid",5,
        ANGLEUNIT["degree",0.0174532925199433],
        ID["EPSG",8814]],
    PARAMETER["Scale factor on initial line",1,
        SCALEUNIT["unity",1],
        ID["EPSG",8815]],
    PARAMETER["False easting",-984251.9685,
        LENGTHUNIT["foot",0.3048],
        ID["EPSG",8806]],
    PARAMETER["False northing",-15091863.5171,
        LENGTHUNIT["foot",0.3048],
        ID["EPSG",8807]],
    ID["EPSG",6770]]

Definition: ESRI Well Known Text

PROJECTION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],
PARAMETER["False_Easting",-299999.9999988],
PARAMETER["False_Northing",-4600000.00001208],
PARAMETER["Scale_Factor",1.0],
PARAMETER["Azimuth",5.0],
PARAMETER["Longitude_Of_Center",-124.05],
PARAMETER["Latitude_Of_Center",44.75]

Definition: PROJ.4

+proj=omerc +no_uoff +lat_0=44.75 +lonc=-124.05 +alpha=5 +gamma=5 +k=1 +x_0=-299999.9999988 +y_0=-4600000.00001208

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:6770","+proj=omerc +no_uoff +lat_0=44.75 +lonc=-124.05 +alpha=5 +gamma=5 +k=1 +x_0=-299999.9999988 +y_0=-4600000.00001208");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Oregon Coast zone (international foot)",
    "method": {
        "name": "Hotine Oblique Mercator (variant A)",
        "id": {
            "authority": "EPSG",
            "code": 9812
        }
    },
    "parameters": [
        {
            "name": "Latitude of projection centre",
            "value": 44.75,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8811
            }
        },
        {
            "name": "Longitude of projection centre",
            "value": -124.05,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8812
            }
        },
        {
            "name": "Azimuth of initial line",
            "value": 5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8813
            }
        },
        {
            "name": "Angle from Rectified to Skew Grid",
            "value": 5,
            "unit": "degree",
            "id": {
                "authority": "EPSG",
                "code": 8814
            }
        },
        {
            "name": "Scale factor on initial line",
            "value": 1,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8815
            }
        },
        {
            "name": "False easting",
            "value": -984251.9685,
            "unit": {
                "type": "LinearUnit",
                "name": "foot",
                "conversion_factor": 0.3048
            },
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": -15091863.5171,
            "unit": {
                "type": "LinearUnit",
                "name": "foot",
                "conversion_factor": 0.3048
            },
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 6770
    }
}

Definition: GeoServer

6770=PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",44.75],PARAMETER["longitude_of_center",-124.05],PARAMETER["azimuth",5],PARAMETER["rectified_grid_angle",5],PARAMETER["scale_factor",1],PARAMETER["false_easting",-299999.9999988],PARAMETER["false_northing",-4600000.00001208]

Definition: MapServer - MAPfile

PROJECTION
	"proj=omerc"
	"no_uoff"
	"lat_0=44.75"
	"lonc=-124.05"
	"alpha=5"
	"gamma=5"
	"k=1"
	"x_0=-299999.9999988"
	"y_0=-4600000.00001208"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=omerc +no_uoff +lat_0=44.75 +lonc=-124.05 +alpha=5 +gamma=5 +k=1 +x_0=-299999.9999988 +y_0=-4600000.00001208">
	<Layer srs="+proj=omerc +no_uoff +lat_0=44.75 +lonc=-124.05 +alpha=5 +gamma=5 +k=1 +x_0=-299999.9999988 +y_0=-4600000.00001208">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6770, 'EPSG', 6770, '+proj=omerc +no_uoff +lat_0=44.75 +lonc=-124.05 +alpha=5 +gamma=5 +k=1 +x_0=-299999.9999988 +y_0=-4600000.00001208', 'PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",44.75],PARAMETER["longitude_of_center",-124.05],PARAMETER["azimuth",5],PARAMETER["rectified_grid_angle",5],PARAMETER["scale_factor",1],PARAMETER["false_easting",-299999.9999988],PARAMETER["false_northing",-4600000.00001208]');