× GeoClasses:
Search:
http://www.opengis.net/ont/crs/operation/HS2-TM powered by Static GeoPubby generated using the SPARQLing Unicorn QGIS Plugin OntDoc Script 0.18

Description: comment:In conjunction with transformation HS2TN15 (code 9302) emulates the zero-distortion Snake projection HS2P1+14. Emulation derived at 350,000 locations, RMS position difference is 0.15 mm and max position difference is 0.6 mm; this is considered errorless.

https://situx.github.io/proj4rdf/projections/MercatorProjection.svg
PropertyValue
type (rdf:type) MercatorProjection (geosrs:MercatorProjection) [x]
comment (rdfs:comment)
In conjunction with transformation HS2TN15 (code 9302) emulates the zero-distortion Snake projection HS2P1+14. Emulation derived at 350,000 locations, (...) RMS position difference is 0.15 mm and max position difference is 0.6 mm; this is considered errorless.
(xmls:string)
label (rdfs:label) "HS2-TM: Transverse Mercator (rdf:langString) (iso6391:en)
image (foaf:image) https://situx.github.io/proj4rdf/projections/MercatorProjection.svg (xmls:anyURI)
accuracy (geosrs:accuracy) -1.0 (xmls:double)
area_of_use (geosrs:area_of_use) United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe. (geoepsg:HS2-TM_area_of_use)
asProj4 (geosrs:asProj4) +proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=tmerc +lat_0=52.3 +lon_0=-1.5 +k=1 +x_0=198873.0046 +y_0=375064.3871 +ellps=GRS80 (xsd:string)
asProjJSON (geosrs:asProjJSON) {'$schema':'https://proj.org/schemas/v0.7/projjson.schema.json','type':'Conversion','name':'HS2-TM','method':{'name':'Transverse Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':52.3,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-1.5,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':1,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':198873.0046,'unit':'metre','id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':375064.3871,'unit':'metre','id':{'authority':'EPSG','code':8807}}],'id':{'authority':'EPSG','code':9301}} (xsd:string)
asWKT (geosrs:asWKT)
CONVERSION['HS2-TM',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',52.3,ANGLEUNIT['degree',0.0174532925199433],I (...)D['EPSG',8801]],PARAMETER['Longitude of natural origin',-1.5,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',198873.0046,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',375064.3871,LENGTHUNIT['metre',1],ID['EPSG',8807]],ID['EPSG',9301]]
(geosrs:wktLiteral)
False easting (geosrs:falseEasting) 198873.0 (xmls:double)
False northing (geosrs:falseNorthing) 375064.4 (xmls:double)
has_ballpark_transformation (geosrs:has_ballpark_transformation) false (xmls:boolean)
Latitude of natural origin (geosrs:latitudeOfNaturalOrigin) 52.3 (xmls:double)
Longitude of natural origin (geosrs:longitudeOfNaturalOrigin) -1.5 (xmls:double)
method_name (geosrs:method_name) Transverse Mercator (xsd:string)
Scale factor at natural origin (geosrs:scaleFactorAtNaturalOrigin) 1.0 (xmls:double)
scope (geosrs:scope) Engineering survey for HS2 project phases 1 and 2a. (xmls:string)
Is member (rdfs:member) ofMercatorProjection Instances Collection (geoepsg:MercatorProjection_collection)
Is conversion (geosrs:conversion) ofHS2 Survey Grid (geoepsg:9300)
Metadata
PropertyValue
inDataset (void:inDataset) geoepsg_dataset (geoepsg:geoepsg_dataset) [316102 geosrs:3DCoordinateSystem]