EPSG
US Geological Survey Professional Paper 1395; "Map Projections - A Working Manual"; J. Snyder.
2011-06-30
Cadastre, engineering survey, topographic mapping (large and medium scale).
(0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["Guam SPCS", METHOD["Guam Projection", ID["EPSG",9831]], PARAMETER["Latitude of natural origin",13.4724663527778, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",144.748750705556, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",50000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",50000, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",15400]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "Guam SPCS", "method": { "name": "Guam Projection", "id": { "authority": "EPSG", "code": 9831 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 13.4724663527778, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 144.748750705556, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 50000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 50000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 15400 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=aeqd +guam +lat_0=13.4724663527778 +lon_0=144.748750705556 +x_0=50000 +y_0=50000"> <Layer srs="+proj=aeqd +guam +lat_0=13.4724663527778 +lon_0=144.748750705556 +x_0=50000 +y_0=50000"> </Layer> </Map>