EPSG:3779 — NAD83(CSRS) / Alberta 3TM ref merid 111 W
Projected · Canada - Alberta - east of 112.5°W
Export Formats
OGC WKT
PROJCS[
"NAD83(CSRS) / Alberta 3TM ref merid 111 W",
GEOGCS[
"NAD83(CSRS)",
DATUM[
"NAD83_Canadian_Spatial_Reference_System",
SPHEROID["GRS 1980",6378137,298.257222101],
TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]
],
PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
AUTHORITY["EPSG","4617"]
],
PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",0],
PARAMETER["central_meridian",-111],
PARAMETER["scale_factor",0.9999],
PARAMETER["false_easting",0],
PARAMETER["false_northing",0],
UNIT["metre",1,AUTHORITY["EPSG","9001"]],
AXIS["Easting",EAST],
AXIS["Northing",NORTH],
AUTHORITY["EPSG","3779"]
]Related Coordinate Systems
Available Transformations (14)
Transformations inherited from base CRS: EPSG:4617 (NAD83(CSRS))
| Transformation | Source → Target | Accuracy (m) |
|---|---|---|
| 4617 → 4326 | 1 | |
| 4269 → 4617 | 2 | |
| 4617 → 4326 | 2 | |
| ATS77 to NAD83(CSRS) (1) Deprecated | 4122 → 4617 | 1.5 |
| ATS77 to NAD83(CSRS) (2) Deprecated | 4122 → 4617 | 1.5 |
| ATS77 to NAD83(CSRS) (3) Deprecated | 4122 → 4617 | 1.5 |
| NAD27 to NAD83(CSRS) (1) Deprecated | 4267 → 4617 | 1.5 |
| NAD27 to NAD83(CSRS) (2) Deprecated | 4267 → 4617 | 1.5 |
| NAD27 to NAD83(CSRS) (4) Deprecated | 4267 → 4617 | 0.8 |
| NAD83 to NAD83(CSRS) (1) Deprecated | 4269 → 4617 | 1.5 |
Other CRS using NAD83 Canadian Spatial Reference System (70)
Frequently Asked Questions
How do I add EPSG:3779 to GeoServer?
Add the following definition to your GeoServer configuration:
3779=PROJCS["NAD83(CSRS) / Alberta 3TM ref merid 111 W",GEOGCS["NAD83(CSRS)",DATUM["NAD83_Canadian_Spatial_Reference_System",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4617"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-111],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3779"]] Read the full GeoServer guide →
How do I add EPSG:3779 to PostGIS?
Add the following definition to your PostGIS configuration:
INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3779, 'EPSG', 3779, '+proj=tmerc +lat_0=0 +lon_0=-111 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83(CSRS) / Alberta 3TM ref merid 111 W",GEOGCS["NAD83(CSRS)",DATUM["NAD83_Canadian_Spatial_Reference_System",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.991,1.9072,0.5129,-1.25033E-07,-4.6785E-08,-5.6529E-08,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4617"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-111],PARAMETER["scale_factor",0.9999],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3779"]]'); Read the full PostGIS guide →
How do I add EPSG:3779 to MapServer?
Add the following definition to your MapServer configuration:
PROJECTION
"+proj=tmerc"
"+lat_0=0"
"+lon_0=-111"
"+k=0.9999"
"+x_0=0"
"+y_0=0"
"+ellps=GRS80"
"+towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0"
"+units=m"
"+no_defs"
"+type=crs"
END Read the full MapServer guide →
How do I use EPSG:3779 with Proj4js?
Add the following definition to your Proj4js configuration:
proj4.defs("EPSG:3779", "+proj=tmerc +lat_0=0 +lon_0=-111 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +towgs84=-0.991,1.9072,0.5129,-1.25033e-07,-4.6785e-08,-5.6529e-08,0 +units=m +no_defs +type=crs"); Read the full Proj4js guide →