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)
Description: (0,)
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: 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');