EPSG:1461

Puerto Rico to NAD83 (1)

Attributes

Geodetic CRS: Puerto Rico

Datum: Puerto Rico

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: US Coast & Geodetic Survey www.ngs.noaa.gov

Revision date: 2004-04-27

Scope: Transformation of coordinates at 0.05m level of accuracy.

Remarks: Accuracy 0.05m at 67% confidence level. May be taken as approximate transformation Puerto Rico-WGS 84 - see code 15841.

Method: NADCON

Area of use: Puerto Rico, US Virgin Islands and British Virgin Islands - onshore.

Description: (0,)

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Puerto Rico, US Virgin Islands and British Virgin Islands - onshore.

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Definition: OGC Well Known Text 2 (2019)

COORDINATEOPERATION["Puerto Rico to NAD83 (1)",
    VERSION["NGS-PRVI"],
    SOURCECRS[
        GEOGCRS["Puerto Rico",
            DATUM["Puerto Rico",
                ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",4139]]],
    TARGETCRS[
        GEOGCRS["NAD83",
            DATUM["North American Datum 1983",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",4269]]],
    METHOD["NADCON",
        ID["EPSG",9613]],
    PARAMETERFILE["Latitude difference file","prvi.las"],
    PARAMETERFILE["Longitude difference file","prvi.los"],
    OPERATIONACCURACY[0.05],
    USAGE[
        SCOPE["Transformation of coordinates at 0.05m level of accuracy."],
        AREA["Puerto Rico, US Virgin Islands and British Virgin Islands - onshore."],
        BBOX[17.62,-67.97,18.78,-64.25]],
    ID["EPSG",1461],
    REMARK["Accuracy 0.05m at 67% confidence level. May be taken as approximate transformation Puerto Rico-WGS 84 - see code 15841."]]

Definition: PROJ.4

+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_prvi.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:1461","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_prvi.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Puerto Rico to NAD83 (1)",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Puerto Rico",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Puerto Rico",
            "ellipsoid": {
                "name": "Clarke 1866",
                "semi_major_axis": 6378206.4,
                "semi_minor_axis": 6356583.8
            }
        },
        "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": 4139
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum 1983",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "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": 4269
        }
    },
    "method": {
        "name": "NADCON",
        "id": {
            "authority": "EPSG",
            "code": 9613
        }
    },
    "parameters": [
        {
            "name": "Latitude difference file",
            "value": "prvi.las",
            "id": {
                "authority": "EPSG",
                "code": 8657
            }
        },
        {
            "name": "Longitude difference file",
            "value": "prvi.los",
            "id": {
                "authority": "EPSG",
                "code": 8658
            }
        }
    ],
    "accuracy": "0.05",
    "scope": "Transformation of coordinates at 0.05m level of accuracy.",
    "area": "Puerto Rico, US Virgin Islands and British Virgin Islands - onshore.",
    "bbox": {
        "south_latitude": 17.62,
        "west_longitude": -67.97,
        "north_latitude": 18.78,
        "east_longitude": -64.25
    },
    "id": {
        "authority": "EPSG",
        "code": 1461
    },
    "remarks": "Accuracy 0.05m at 67% confidence level. May be taken as approximate transformation Puerto Rico-WGS 84 - see code 15841."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=axisswap"
	"order=2,1"
	"step"
	"proj=unitconvert"
	"xy_in=deg"
	"xy_out=rad"
	"step"
	"proj=hgridshift"
	"grids=us_noaa_prvi.tif"
	"step"
	"proj=unitconvert"
	"xy_in=rad"
	"xy_out=deg"
	"step"
	"proj=axisswap"
	"order=2,1"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_prvi.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_prvi.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 1461, 'EPSG', 1461, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=us_noaa_prvi.tif +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');