[{"data":1,"prerenderedAt":422},["ShallowReactive",2],{"project-48786455":3},{"id":4,"name":5,"line":5,"line_source":6,"title":7,"url":8,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":44,"post_text":45,"what":46,"said":77,"maker_in_thread":209,"shape":222,"grid":226,"attempts":383,"same_week":384,"maker_shows":37,"maker_hidden":414,"reader_version":415,"card":416},"48786455","Follow London Trains in 3D","title","Show HN: Follow London Trains in 3D","https:\u002F\u002Fride.nexttrain.london\u002F","ride.nexttrain.london","mgranados",1783181466,2026,156,62,409,4366,10,"notable","consumer_social","transport tracking visualiser","web_app",[23,24,25,26,27],"london trains","tfl api","deck.gl","3d map","train tracker","debated",0.013,{"positive":31,"neutral":32,"mixed":33,"critical":32},11,12,4,39,{"design":36,"idea":39,"execution":42},{"positive":37,"critical":38},1,5,{"positive":40,"critical":41},3,0,{"positive":41,"critical":43},7,[40,38,41,40,37,40,37,41,41,40,38,41,37,41,37,40,37,37,37,40,38,41,40,38,41,37,38,40,41,38,37,40,38,40,37,40,38,41,38,38],"deck.gl based visualiser of the TFL Api + National Rails to be able to track (with minimal drift) a train along the way in London and to the nearest airports. If you pick one from any platform in https:\u002F\u002Fnexttrain.london basically you can share your train journey along the rails. Build to test Cloudflare workers and their infra along with deck.gl performance that is incredible in my opinion.",{"problem":47,"audience":53,"pricing":53,"motivation":54,"time_to_build":53,"stack":58,"openness":74,"stage":75,"team_size":76},{"value":48,"source":49,"evidence":50},"Track trains along their routes in London and see them approach nearby airports","maker",[51],{"id":52},"post",null,{"value":55,"source":49,"evidence":56},"Built to test Cloudflare workers and deck.gl performance",[57],{"id":52},[59,62,66],{"value":25,"source":49,"evidence":60},[61],{"id":52},{"value":63,"source":49,"evidence":64},"Cloudflare Workers",[65],{"id":52},{"value":67,"source":68,"evidence":69},"OpenStreetMap building data","commenter",[70],{"id":71,"by":72,"text":73},"48832828","0l","OpenStreetMap - seems to be done with concentric circles, e.g. https:\u002F\u002Fwww.openstreetmap.org\u002Fway\u002F1365317072 and a dome on top There is a good wiki page on this:…","unknown","launched","solo",{"praise":78,"objections":105,"requests":159,"questions":193,"alternatives":208},[79,94],{"value":80,"source":68,"evidence":81},"Fun and impressive visualisation with deck.gl",[82,86,90],{"id":83,"by":84,"text":85},"48833529","hokkos","There seems to be some parallax issues between your trip layer and your 3D Tiles layer, but nice usage of deck.gl.",{"id":87,"by":88,"text":89},"48833373","ohjeez","This is incredibly cool. I had it open on my desktop for most of the day.",{"id":91,"by":92,"text":93},"48833855","Leewen","model rough but amazing. i cant do this",{"value":95,"source":68,"evidence":96},"Good idea to see the tube network in 3D",[97,101],{"id":98,"by":99,"text":100},"48833352","darknavi","I'd love to see a view with all\u002Fmany trains. In London I was constantly wondering what the criss-cross of underground lines looked like.",{"id":102,"by":103,"text":104},"48836007","Liquidor","This is scary. I literally just had a dream last night wishing I could see the metro trains from above the ground in order to follow where the tunnels are under the buildings and…",[106,122,137,152],{"value":107,"source":68,"evidence":108},"Map and train layers are misaligned",[109,113,114,118],{"id":110,"by":111,"text":112},"48832357","fredley","Very nice, but the map seems to be in the wrong position vs. the trains\u002F3d elements.",{"id":83,"by":84,"text":85},{"id":115,"by":116,"text":117},"48836794","purplecats","the tracks arent grounded to the map, they slide all over, and would it cool if we could use satellite view",{"id":119,"by":120,"text":121},"48842944","leoedin","There's also something wrong with the map alignment. I think the tiles are being rendered with the wrong placement - the underlying map doesn't match reality.",{"value":123,"source":68,"evidence":124},"Trains render underground incorrectly, appearing to float over buildings",[125,129,133],{"id":126,"by":127,"text":128},"48836798","modeless","The rendering is a bit weird. It's disorienting to have the trains simultaneously underneath the map and occluding it. It also seems like the z-buffer is not being used correctly…",{"id":130,"by":131,"text":132},"48835726","tamimio","Neat! I chose victoria one and it was flying over the buildings!",{"id":134,"by":135,"text":136},"48833044","gowld","The train paths are drawn on a 2D layer above the buildings, not at z-index that matches the proper 3-D position. So the paths appear to weave around and over the tops of…",{"value":138,"source":68,"evidence":139},"Missing several line branches",[140,144,148],{"id":141,"by":142,"text":143},"48832807","dmazin","It would appear you are missing the High Barnet branch of the Northern line.",{"id":145,"by":146,"text":147},"48833667","uukelele","And the Reading branch of the Elizabeth line",{"id":149,"by":150,"text":151},"48835788","jdswain","Looks like many (all?) branches are missing. Central line doesn't have the Ealing Broadway branch.",{"value":153,"source":68,"evidence":154},"Panning is restricted and interaction is buggy",[155],{"id":156,"by":157,"text":158},"48833390","TheOtherHobbes","Interesting but quite buggy. Example: mouse dragging seems trapped in a fairly small area.",[160,167,171,179,186],{"value":161,"source":68,"evidence":162},"Free-form view not locked to a single train",[163],{"id":164,"by":165,"text":166},"48834974","IIAOPSW","This is frustratingly close to amazing. Obviously you went through all the trouble of pulling all the data from all the trains and displaying them in 3d, but then lock our view…",{"value":168,"source":68,"evidence":169},"Show all trains or many trains at once",[170],{"id":98,"by":99,"text":100},{"value":172,"source":68,"evidence":173},"Satellite or realistic 3D tiles",[174,178],{"id":175,"by":176,"text":177},"48861144","idbnstra","it would be EVEN cooler if you used cesium and google map tiles api to have realistic looking buildings",{"id":115,"by":116,"text":117},{"value":180,"source":68,"evidence":181},"Touch support",[182],{"id":183,"by":184,"text":185},"48834798","ampdepolymerase","Can you add support for touch?",{"value":187,"source":68,"evidence":188},"Scale bar",[189],{"id":190,"by":191,"text":192},"48836418","eMPee584","Like on most other digital maps today, what's direly missing is a scale bar.. cool feat though, thanks for showing!",[194,201],{"value":195,"source":68,"evidence":196},"Is there a repo to look at",[197],{"id":198,"by":199,"text":200},"48833095","sdoering","Having just taken the Elisabeth Line to LHR T5 and sitting here, this was fun. Thanks. Edit: Is there a Repo to look at and learn from this?",{"value":202,"source":68,"evidence":203},"Where does the 3D model data come from",[204],{"id":205,"by":206,"text":207},"48832512","philipwhiuk","I'm curious what the 3D model source is - the Gherkin is kinda weird.",[],{"comments":210,"answered":211,"key":212},20,2,[213,216,219],{"id":214,"text":215},"48835887","I'll have a note on this! Thanks a lot! a free form to browse the trains I think is definitely doable whilst keeping it performant",{"id":217,"text":218},"48837245","thank you so much! yeah the data comes in many different ways! just here tfl is diff from national rails i've found llms super helpful tho",{"id":220,"text":221},"48833916","I saw a project like that here in hn recently for all uk trains even. it'd be pretty cool to extend this to support that, busy stations might be visually confusing, thanks for…",{"commenters":223,"max_depth":40,"maker_replies":210,"first_comment_mins":224,"lifespan_hours":225},42,1376,151,[227,229,231,235,237,239,240,242,245,249,251,255,258,260,263,265,267,270,272,276,278,280,282,285,287,288,289,290,292,293,296,298,302,305,307,309,310,315,317,319,321,323,325,327,329,332,334,335,337,342,345,349,351,353,357,361,363,367,369,371,375,379],[164,41,40,228,165,41],"project\u002Fmixed\u002Fdesign",[214,41,41,230,10,37],"maker\u002Fneutral\u002Fnone",[232,37,38,233,234,41],"48836571","project\u002Fpositive\u002Fnone","Rophlock",[217,37,41,236,10,37],"maker\u002Fpositive\u002Fnone",[98,211,40,238,99,41],"project\u002Fneutral\u002Fidea",[220,211,41,230,10,37],[126,40,37,241,127,41],"project\u002Fcritical\u002Fdesign",[243,40,41,244,10,37],"48837238","maker\u002Fneutral\u002Fdesign",[246,40,40,247,248,41],"48838400","project\u002Fneutral\u002Fdesign","gilfaethwy",[119,40,37,250,120,41],"project\u002Fcritical\u002Fexecution",[252,33,41,253,254,41],"48837716","other\u002Fneutral\u002Fnone","flockonus",[256,33,41,253,257,41],"48837790","hdgvhicv",[259,33,41,253,10,37],"48838455",[261,38,40,238,262,41],"48834965","Pigo",[264,38,41,230,10,37],"48835873",[266,38,40,238,262,41],"48836596",[102,268,38,269,103,41],6,"project\u002Fpositive\u002Fidea",[271,268,41,230,10,37],"48836028",[273,43,40,274,275,41],"48866434","project\u002Fmixed\u002Fexecution","nmenon10",[190,277,37,241,191,41],8,[279,277,41,244,10,37],"48837255",[156,281,37,250,157,41],9,[283,281,41,284,10,37],"48833845","maker\u002Fneutral\u002Fexecution",[183,281,40,286,184,41],"project\u002Fneutral\u002Fexecution",[110,17,37,250,111,41],[141,31,37,250,142,41],[145,31,37,250,146,41],[291,31,41,230,10,37],"48833922",[149,31,37,250,150,41],[294,32,40,228,295,41],"48835965","Eduard",[297,32,41,244,10,37],"48835989",[299,300,38,233,301,41],"48835888",13,"ninjahawk1",[303,300,41,253,304,41],"48835939","giancarlostoro",[306,300,41,230,10,37],"48835952",[205,308,40,247,206,41],14,[71,308,40,247,72,41],[311,312,38,313,314,41],"48794838",15,"project\u002Fpositive\u002Fdesign","kentonv",[316,312,41,244,10,37],"48834030",[134,318,37,241,135,41],16,[320,318,41,244,10,37],"48834074",[198,322,38,233,199,41],17,[324,322,41,236,10,37],"48833983",[83,326,40,274,84,41],18,[328,326,41,230,10,37],"48833894",[330,326,40,247,331,41],"48834136","taylorius",[87,333,38,233,88,41],19,[130,210,37,241,131,41],[336,210,41,244,10,37],"48835937",[338,339,40,340,341,41],"48833231",21,"project\u002Fneutral\u002Fnone","Falimonda",[343,339,41,344,10,37],"48834006","maker\u002Fneutral\u002Fidea",[346,347,38,269,348,41],"48852414",22,"tomerlir",[175,350,40,247,176,41],23,[115,352,37,241,116,41],24,[354,355,37,250,356,41],"48834658",25,"adecoster",[358,359,40,340,360,41],"48835615",26,"Cider9986",[362,359,41,230,10,37],"48835913",[364,365,38,233,366,41],"48832694",27,"jrrv",[368,365,41,230,10,37],"48834014",[91,370,38,233,92,41],28,[372,373,40,340,374,41],"48843441",29,"saikoko",[376,377,38,269,378,41],"48837467",30,"jsabess24",[380,381,38,233,382,41],"48843828",31,"rimworld",[],[385,390,394,399,404,409],{"id":386,"name":387,"points":388,"category":389},"48821848","Davit",389,"dev_tools",{"id":391,"name":392,"points":393,"category":389},"48834924","Microsoft releases Flint",350,{"id":395,"name":396,"points":397,"category":398},"48816987","Yamanote.fun",238,"creative",{"id":400,"name":401,"points":402,"category":403},"48798153","Homegames",229,"games",{"id":405,"name":406,"points":407,"category":408},"48819808","Rowboat",219,"productivity",{"id":410,"name":411,"points":412,"category":413},"48766242","Bramble",153,"security_privacy",false,"v2",{"id":417,"name":5,"line":5,"ai":414,"cat":19,"year":12,"points":13,"comments":14,"rec":28,"s":418,"top":17,"kw":419,"maker":10,"domain":9,"tier":18,"attempts":41,"strip":420,"url":8,"mix":421,"praise":80,"objection":107,"sub":20},48786455,0.01,[23,24,25,26,27],"3503131003501013111350350153051353135055",[31,32,33,32],1794036704195]