EPSG:20034

CGVD2013a(2002) height

Attributes

Unit: metre

Geodetic CRS: CGVD2013a(2002) height

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

Data source: EPSG

Information source: Geodetic Survey Division, Natural Resources Canada.

Revision date: 2022-07-29

Scope: Geodesy, topographic mapping.

Remarks: Replaces CGVD2013(CGG2013) height. Although its datum is static CGVD2013a heights change with time, primarily due to glacial isostasy. This CRS is a static snapshot at epoch 2002.0 for use with NAD83(CSRS)v4. For other epochs see CRSs 9245 & 20035.

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.

Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.

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SimpleMap

Center coordinates
62.33 -90.87

Projected bounds:
38.21 -141.01
86.46 -40.73

WGS84 bounds:
-141.01 38.21
-40.73 86.46

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.
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Definition: OGC Well Known Text

VERT_CS["CGVD2013a(2002) height",
    VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002",2005,
        AUTHORITY["EPSG","1325"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","20034"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["CGVD2013a(2002) height",
    VDATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, topographic mapping."],
        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",20034]]

Definition: ESRI Well Known Text

VERTCS["CGVD2013a(2002)_height",
    VDATUM["Canadian_Geodetic_Vertical_Datum_of_2013_(CGG2013a)_epoch_2002"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:20034","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "CGVD2013a(2002) height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, topographic mapping.",
    "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": 20034
    }
}

Definition: GeoServer

20034=VERT_CS["CGVD2013a(2002) height",VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002",2005,AUTHORITY["EPSG","1325"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","20034"]]

Definition: MapServer - MAPfile

PROJECTION
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+vunits=m +no_defs +type=crs">
	<Layer srs="+vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 20034, 'EPSG', 20034, '+vunits=m +no_defs +type=crs', 'VERT_CS["CGVD2013a(2002) height",VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013a) epoch 2002",2005,AUTHORITY["EPSG","1325"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","20034"]]');