EPSG:CODE

EPSG:6647 — CGVD2013(CGG2013) height

Vertical · Canada

Export Formats

OGC WKT
VERT_CS[
    "CGVD2013(CGG2013) height",
    VERT_DATUM[
        "Canadian Geodetic Vertical Datum of 2013 (CGG2013)",
        2005,
        AUTHORITY["EPSG","1127"]
    ],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6647"]
]

Related Coordinate Systems

Available Transformations (3)

Transformation Source → Target Accuracy (m)
ITRF2008 to CGVD2013(CGG2013) height (1)
7911 → 6647 0.03
NAD83(CSRS)v6 to CGVD2013(CGG2013) height (1)
8251 → 6647 0.03
NAD83(CSRS) to CGVD2013 height (1) Deprecated
4955 → 6647 0.03

Other CRS for CA (38)

Frequently Asked Questions

How do I add EPSG:6647 to GeoServer?

Add the following definition to your GeoServer configuration: 

6647=VERT_CS["CGVD2013(CGG2013) height",VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013)",2005,AUTHORITY["EPSG","1127"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6647"]]
Read the full GeoServer guide →

How do I add EPSG:6647 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6647, 'EPSG', 6647, '+vunits=m +no_defs +type=crs', 'VERT_CS["CGVD2013(CGG2013) height",VERT_DATUM["Canadian Geodetic Vertical Datum of 2013 (CGG2013)",2005,AUTHORITY["EPSG","1127"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6647"]]');
Read the full PostGIS guide →

How do I add EPSG:6647 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:6647 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:6647", "+vunits=m +no_defs +type=crs");
Read the full Proj4js guide →