Blackweir is a neighbourhood and its consensus geometry is derived from whosonfirst.
{"qs:localhoods":22,"geom:latitude":51.491428,"wof:name":"Blackweir","counts:names_total":1,"mz:is_current":-1,"qs:gn_nam_loc":"Cardiff, Cardiff, Cardiff, Wales, GB","wof:hierarchy":[{"borough_id":1360887573,"continent_id":102191581,"country_id":85633159,"county_id":1360699107,"empire_id":136253055,"locality_id":101750397,"macrocounty_id":1880762115,"macroregion_id":404227475,"neighbourhood_id":85785819,"region_id":1880773187}],"wof:geom_alt":["quattroshapes","mz","quattroshapes_pg"],"mz:min_zoom":15,"lbl:latitude":51.491428,"qs:gn_adm0_cc":"GB","geom:area":0,"mz:is_funky":0,"lbl:bbox":"-3.19199,51.486428,-3.18199,51.496428","mz:is_official":0,"qs:name":"Blackweir","qs:woe_adm2":12602215,"counts:concordances_total":2,"qs:woe_adm1":12578049,"geom:type":"Point","qs:woe_adm0":23424975,"wof:lastmodified":1699916821,"qs:photo_sum":4435,"wof:belongsto":[1880773187,102191581,1880762115,85633159,404227475,101750397,136253055,1360887573,1360699107],"mps:latitude":51.48908,"wof:repo":"whosonfirst-data-admin-gb","wof:lang":["eng"],"mz:tier_metro":30,"wof:country":"GB","counts:names_preferred":1,"geom:area_square_m":0,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","qs:gn_id":0,"qs:woe_local":15127,"iso:country":"GB","geom:bbox":"-3.18699,51.491428,-3.18699,51.491428","name:eng_x_preferred":["Blackweir"],"src:lbl_centroid":"whosonfirst","wof:superseded_by":[],"qs:photo_max":1086,"wof:geomhash":"36f930524444d6bd1d0be6155f5cf766","wof:placetype_id":102312319,"qs:local_max":5000,"qs:woe_ver":"7.10.0","mz:is_ceased":0,"qs:placetype":"Suburb","lbl:max_zoom":18,"qs:quad_count":49,"wof:placetype":"neighbourhood","mz:max_zoom":18,"qs:woe_lau":12696132,"gn:id":"","qs:gn_local":2653822,"mz:is_deprecated":0,"mz:tier_locality":3,"geom:longitude":-3.18699,"wof:id":85785819,"qs:local_sum":46092,"qs:name_local":"Cardiff","qs:name_adm2":"Cardiff County","wof:concordances":{"gp:id":12922,"qs_pg:id":245447},"src:geom":"whosonfirst","src:geom_alt":["quattroshapes_pg","quattroshapes","mz"],"qs:name_adm0":"United Kingdom","qs:name_adm1":"Wales","qs:name_lau":"Cardiff County","wof:tags":[],"counts:names_languages":1,"mz:is_hard_boundary":0,"mps:longitude":-3.183997,"qs:gn_namadm1":"WLS","wof:supersedes":[],"lbl:longitude":-3.18699,"mz:is_landuse_aoi":0,"wof:parent_id":1360887573,"wof:placetype_names":["neighbourhood"],"mz:hierarchy_label":0,"edtf:cessation":"uuuu"}