EPSG:9920 — OSGB36 / British National Grid + BI height
Bileşik · UK - Britain and UKCS 49°45'N to 61°N, 9°W to 2°E
Tanım Formatları
OGC WKT
COMPD_CS[
"OSGB36 / British National Grid + BI height",
PROJCS[
"OSGB36 / British National Grid",
GEOGCS[
"OSGB36",
DATUM[
"Ordnance_Survey_of_Great_Britain_1936",
SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]],
AUTHORITY["EPSG","6277"]
],
PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
AUTHORITY["EPSG","4277"]
],
PROJECTION["Transverse_Mercator"],
PARAMETER["latitude_of_origin",49],
PARAMETER["central_meridian",-2],
PARAMETER["scale_factor",0.9996012717],
PARAMETER["false_easting",400000],
PARAMETER["false_northing",-100000],
UNIT["metre",1,AUTHORITY["EPSG","9001"]],
AXIS["Easting",EAST],
AXIS["Northing",NORTH],
AUTHORITY["EPSG","27700"]
],
VERT_CS[
"BI height",
VERT_DATUM["British Isles height ensemble",2005,AUTHORITY["EPSG","1288"]],
UNIT["metre",1,AUTHORITY["EPSG","9001"]],
AXIS["Gravity-related height",UP],
AUTHORITY["EPSG","9451"]
],
AUTHORITY["EPSG","9920"]
]Sıkça Sorulan Sorular
EPSG:9920 projeksiyonunu GeoServer'a nasıl eklerim?
Aşağıdaki tanımı GeoServer yapılandırma dosyanıza ekleyin:
9920=COMPD_CS["OSGB36 / British National Grid + BI height",PROJCS["OSGB36 / British National Grid",GEOGCS["OSGB36",DATUM["Ordnance_Survey_of_Great_Britain_1936",SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6277"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4277"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",400000],PARAMETER["false_northing",-100000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27700"]],VERT_CS["BI height",VERT_DATUM["British Isles height ensemble",2005,AUTHORITY["EPSG","1288"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9451"]],AUTHORITY["EPSG","9920"]] GeoServer rehberinin tamamını okuyun →
EPSG:9920 projeksiyonunu PostGIS'e nasıl eklerim?
Aşağıdaki tanımı PostGIS yapılandırma dosyanıza ekleyin:
INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9920, 'EPSG', 9920, '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["OSGB36 / British National Grid + BI height",PROJCS["OSGB36 / British National Grid",GEOGCS["OSGB36",DATUM["Ordnance_Survey_of_Great_Britain_1936",SPHEROID["Airy 1830",6377563.396,299.3249646,AUTHORITY["EPSG","7001"]],AUTHORITY["EPSG","6277"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4277"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",400000],PARAMETER["false_northing",-100000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27700"]],VERT_CS["BI height",VERT_DATUM["British Isles height ensemble",2005,AUTHORITY["EPSG","1288"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9451"]],AUTHORITY["EPSG","9920"]]'); PostGIS rehberinin tamamını okuyun →
EPSG:9920 projeksiyonunu MapServer'da nasıl kullanırım?
Aşağıdaki tanımı MapServer yapılandırma dosyanıza ekleyin:
PROJECTION
"+proj=tmerc"
"+lat_0=49"
"+lon_0=-2"
"+k=0.9996012717"
"+x_0=400000"
"+y_0=-100000"
"+ellps=airy"
"+units=m"
"+vunits=m"
"+no_defs"
"+type=crs"
END MapServer rehberinin tamamını okuyun →
EPSG:9920 projeksiyonunu Proj4js ile nasıl kullanırım?
Aşağıdaki tanımı Proj4js yapılandırma dosyanıza ekleyin:
proj4.defs("EPSG:9920", "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +units=m +vunits=m +no_defs +type=crs"); Proj4js rehberinin tamamını okuyun →