EPSG:10118 DEPRECATED

CGVD2013a(2002) height to CGVD2013a(1997) height (1)

Attributes

Geodetic CRS: CGVD2013a(2002) height

Datum: Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002

Data source: EPSG

Information source: IOGP

Revision date: 2023-07-17

Scope: Spatial referencing.

Remarks: Equivalent to CGVD28 to CGVD2013a(1997) minus CGVD28 to CGVD2013a(2002) (i.e. CT code 10113 minus CT 10114).

Method: Vertical Offset by velocity grid (NRCan NTv2_Vel)

Area of use: Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon.

Description: (0,)

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Definition: OGC Well Known Text 2 (2019)

COORDINATEOPERATION["CGVD2013a(2002) height to CGVD2013a(1997) height (1)",
    VERSION["EPSG-Can"],
    SOURCECRS[
        VERTCRS["CGVD2013a(2002) height",
            VDATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002",
                ANCHOREPOCH[2002]],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",20034]]],
    TARGETCRS[
        VERTCRS["CGVD2013a(1997) height",
            VDATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 1997",
                ANCHOREPOCH[1997]],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",20035]]],
    METHOD["Vertical Offset by velocity grid (NRCan NTv2_Vel)",
        ID["EPSG",1113]],
    PARAMETERFILE["Point motion velocity grid file","NAD83v70VG.gvb"],
    INTERPOLATIONCRS[
        GEOGCRS["NAD83(CSRS)v4",
            DATUM["North American Datum of 1983 (CSRS) version 4",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]],
                ANCHOREPOCH[2002]],
            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]]]],
    OPERATIONACCURACY[0.05],
    USAGE[
        SCOPE["Spatial referencing."],
        AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."],
        BBOX[38.21,-141.01,86.46,-40.73]],
    ID["EPSG",10118],
    REMARK["Equivalent to CGVD28 to CGVD2013a(1997) minus CGVD28 to CGVD2013a(2002) (i.e. CT code 10113 minus CT 10114)."]]

Definition: PROJ.4

+proj=pipeline +step +proj=push +v_1 +v_2 +step +proj=cart +ellps=GRS80 +step +proj=deformation +dt=-5 +grids=ca_nrc_NAD83v70VG.tif +ellps=GRS80 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_1 +v_2

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:10118","+proj=pipeline +step +proj=push +v_1 +v_2 +step +proj=cart +ellps=GRS80 +step +proj=deformation +dt=-5 +grids=ca_nrc_NAD83v70VG.tif +ellps=GRS80 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_1 +v_2");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "CGVD2013a(2002) height to CGVD2013a(1997) height (1)",
    "source_crs": {
        "type": "VerticalCRS",
        "name": "CGVD2013a(2002) height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002",
            "anchor_epoch": 2002
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 20034
        }
    },
    "target_crs": {
        "type": "VerticalCRS",
        "name": "CGVD2013a(1997) height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 1997",
            "anchor_epoch": 1997
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 20035
        }
    },
    "interpolation_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(CSRS)v4",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum of 1983 (CSRS) version 4",
            "anchor_epoch": 2002,
            "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": 8246
        }
    },
    "method": {
        "name": "Vertical Offset by velocity grid (NRCan NTv2_Vel)",
        "id": {
            "authority": "EPSG",
            "code": 1113
        }
    },
    "parameters": [
        {
            "name": "Point motion velocity grid file",
            "value": "NAD83v70VG.gvb",
            "id": {
                "authority": "EPSG",
                "code": 1050
            }
        }
    ],
    "accuracy": "0.05",
    "scope": "Spatial referencing.",
    "area": "Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon.",
    "bbox": {
        "south_latitude": 38.21,
        "west_longitude": -141.01,
        "north_latitude": 86.46,
        "east_longitude": -40.73
    },
    "id": {
        "authority": "EPSG",
        "code": 10118
    },
    "remarks": "Equivalent to CGVD28 to CGVD2013a(1997) minus CGVD28 to CGVD2013a(2002) (i.e. CT code 10113 minus CT 10114)."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=push"
	"v_1"
	"v_2"
	"step"
	"proj=cart"
	"ellps=GRS80"
	"step"
	"proj=deformation"
	"dt=-5"
	"grids=ca_nrc_NAD83v70VG.tif"
	"ellps=GRS80"
	"step"
	"inv"
	"proj=cart"
	"ellps=GRS80"
	"step"
	"proj=pop"
	"v_1"
	"v_2"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=push +v_1 +v_2 +step +proj=cart +ellps=GRS80 +step +proj=deformation +dt=-5 +grids=ca_nrc_NAD83v70VG.tif +ellps=GRS80 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_1 +v_2">
	<Layer srs="+proj=pipeline +step +proj=push +v_1 +v_2 +step +proj=cart +ellps=GRS80 +step +proj=deformation +dt=-5 +grids=ca_nrc_NAD83v70VG.tif +ellps=GRS80 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_1 +v_2">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10118, 'EPSG', 10118, '+proj=pipeline +step +proj=push +v_1 +v_2 +step +proj=cart +ellps=GRS80 +step +proj=deformation +dt=-5 +grids=ca_nrc_NAD83v70VG.tif +ellps=GRS80 +step +inv +proj=cart +ellps=GRS80 +step +proj=pop +v_1 +v_2', 'None');