[{"data":1,"prerenderedAt":471},["ShallowReactive",2],{"project-41848099":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":35,"aspects":36,"strip":43,"post_text":45,"what":46,"said":75,"maker_in_thread":169,"shape":182,"grid":187,"attempts":433,"same_week":434,"maker_shows":44,"maker_hidden":463,"reader_version":464,"card":465},"41848099","Mused Copan tunnels tour","I 3D scanned the tunnels inside the Maya Pyramid Temples at Copan","title","Show HN: I 3D scanned the tunnels inside the Maya Pyramid Temples at Copan","https:\u002F\u002Fmused.com\u002Fguided\u002F158\u002Ftemple-26-and-excavation-tunnels-copan-ruinas\u002F","mused.com","lukehollis",1728997074,2024,462,96,79,3515,3,"legend","creative","3d scanning virtual tours","web_app",[24,25,26,27,28],"3d scan","matterport","copan maya","virtual tour","three.js","mixed",0.399,{"positive":32,"neutral":33,"mixed":34,"critical":18},16,9,0,28,{"idea":37,"design":40,"execution":41,"performance":42},{"positive":38,"critical":39},2,1,{"positive":39,"critical":38},{"positive":38,"critical":34},{"positive":39,"critical":34},[44,34,34,34,34,44,44,44,34,34,34,39,34,34,39,34,44,18,18,44,34,18,44,44,44,44,18,34,34,34,34,18,44,34,44,34,18,44,39,44],5,"With these 3d captures, you can explore the 4km tunnel system that archaeologists created inside the temples at Copan that are closed to the public. The tunnels are often flooded by hurricanes and damaged by other natural forces--and collapsed on me and my Matterport scanner more than once--so this is a permanent record of how they appeared in 2022-23.\n\nUnlike Egyptian pyramids, the Maya built their temples layer by layer outward, so to understand them, researchers tunneled into the structures to understand the earlier phases of construction. I arranged the guided versions of the virtual tours",{"problem":47,"audience":53,"pricing":53,"motivation":54,"time_to_build":53,"stack":58,"openness":73,"stage":74,"team_size":73},{"value":48,"source":49,"evidence":50},"Lets people visit closed Maya temple tunnels as a permanent 3D record","maker",[51],{"id":52},"post",null,{"value":55,"source":49,"evidence":56},"Permanent record of tunnels that flood and collapse; digital preservation of archaeological sites",[57],{"id":52},[59,65,69],{"value":60,"source":49,"evidence":61},"Matterport SDK",[62],{"id":63,"by":11,"text":64},"41852664","Onsite I used the Matterport capture app and Matterport Pro 2 and BLK 360. For the web version linked here, I built on top of the Matterport SDK with Three.js…",{"value":66,"source":49,"evidence":67},"Three.js",[68],{"id":63,"by":11,"text":64},{"value":70,"source":49,"evidence":71},"Unreal Engine",[72],{"id":63,"by":11,"text":64},"unknown","launched",{"praise":76,"objections":108,"requests":123,"questions":142,"alternatives":157},[77,93],{"value":78,"source":79,"evidence":80},"Impressive use of Matterport SDK and smooth web tour","commenter",[81,85,89],{"id":82,"by":83,"text":84},"41852231","everly","Definitely one of the better implementations I've seen using Matterport's SDK, nice work. Did you use the Pro3 as the capture device? Before the collapse anyway!",{"id":86,"by":87,"text":88},"41851591","downboots","The transitions are much smoother than Google street view",{"id":90,"by":91,"text":92},"41851527","throwup238","Very well done! I was pleasantly surprised how well this works on a phone. Did you take any scans after sections collapsed? Would love to hear more about what happened.",{"value":94,"source":79,"evidence":95},"Amazing or inspiring work",[96,100,104],{"id":97,"by":98,"text":99},"41852381","rendall","Amazing. So inspiring!",{"id":101,"by":102,"text":103},"41895942","t_hinman_esq","This is beyond cool, thank you for sharing!",{"id":105,"by":106,"text":107},"41852141","TheCleric","This is great! Great job!",[109,116],{"value":110,"source":79,"evidence":111},"Web movement feels clunky",[112],{"id":113,"by":114,"text":115},"41853432","programd","I'm glad to hear you're working on getting an Unreal environment for these scans. I find the movement in the web version to be incredibly clunky. This really needs to have a game…",{"value":117,"source":79,"evidence":118},"Camera glitches through solid earth on paths",[119],{"id":120,"by":121,"text":122},"41857877","thisOtterBeGood","Very nice. Small improvement idea: Move the camera along paths in such a way that it does not glitch through solid earth.",[124,128,135],{"value":125,"source":79,"evidence":126},"Unreal or game-like desktop version",[127],{"id":113,"by":114,"text":115},{"value":129,"source":79,"evidence":130},"WebXR support",[131],{"id":132,"by":133,"text":134},"41854991","hexnuts","Is there any plans to support a WebXR interface in the future?",{"value":136,"source":79,"evidence":137},"Gaussian splatting version",[138],{"id":139,"by":140,"text":141},"41853228","smusamashah","This is great. I think you shared 3d scan of some other pyramid sometime ago here on HN. I think you should try processing this data through a Guassian Splatting software. I have…",[143,150],{"value":144,"source":79,"evidence":145},"What software was used for reconstruction",[146],{"id":147,"by":148,"text":149},"41852421","farhaven","This is very cool! Can you share the technical background you've used for creating the 3D reconstruction? Like software packages, or algorithms used. Are we looking at the result…",{"value":151,"source":79,"evidence":152},"Long-term digital preservation strategy",[153],{"id":154,"by":155,"text":156},"41854845","nosianu","> digital historic preservation When I hear \"digital\" I don't exactly associate long-term preservation with it. Do you also have a strategy for the \"digital preservation\" part?…",[158,165],{"value":159,"source":79,"evidence":160},"Sketchfab",[161],{"id":162,"by":163,"text":164},"41855121","volk45","This is great feedback. I’m still at the content creation stage, aerial and terrestrial photogrammetry to produce 3D models. Hosted on sketchfab. I really haven’t figured out a…",{"value":166,"source":79,"evidence":167},"Google Street View",[168],{"id":86,"by":87,"text":88},{"comments":170,"answered":171,"key":172},29,11,[173,176,179],{"id":174,"text":175},"41854091","It's something we have to be careful of while working on site! We're really careful around the rooms that have mercury in them--there are few that I didn't put in the guide also.…",{"id":177,"text":178},"41854394","Ha! that's the best theory yet",{"id":180,"text":181},"41854009","Hey I'm really sorry! It's really hard. My photo permissions at Giza took two years to secure. My only advice is to keep showing up in person and hang in there--I feel for you!",{"commenters":183,"max_depth":184,"maker_replies":170,"first_comment_mins":185,"lifespan_hours":186},51,7,313,152,[188,192,194,198,200,203,205,208,211,214,217,220,223,226,228,232,234,235,238,241,243,246,248,251,253,257,259,261,263,264,267,269,272,274,276,280,283,286,289,292,296,298,301,303,304,305,310,313,316,319,322,324,327,329,333,335,336,338,340,342,346,348,350,353,355,359,361,364,366,370,372,376,378,380,382,384,386,388,390,394,396,398,401,403,406,408,410,413,417,419,421,423,425,427,429,431],[189,34,44,190,191,34],"41854036","project\u002Fpositive\u002Fnone","gerdesj",[174,34,34,193,11,39],"maker\u002Fneutral\u002Fnone",[195,34,34,196,197,34],"41854353","other\u002Fneutral\u002Fnone","yard2010",[177,34,34,199,11,39],"commenter\u002Fneutral\u002Fnone",[201,34,34,196,202,34],"41854521","deepfriedchokes",[204,34,34,196,91,34],"41855476",[206,34,34,196,207,34],"41861494","bboygravity",[209,34,34,199,210,34],"41856460","thih9",[212,34,34,196,213,34],"41857817","mandmandam",[215,34,34,196,216,34],"41858269","jpm_sd",[218,34,34,196,219,34],"41859064","rmbyrro",[221,34,34,196,222,34],"41860150","fatbird",[224,34,34,196,225,34],"41861441","pradn",[227,34,44,190,191,34],"41865552",[229,39,44,230,231,34],"41853168","project\u002Fpositive\u002Fidea","jofla_net",[233,39,34,196,163,34],"41853818",[180,39,34,199,11,39],[236,39,44,237,163,34],"41855205","maker\u002Fpositive\u002Fnone",[239,39,34,199,240,34],"41854085","seabass-labrax",[242,39,34,199,163,34],"41855089",[244,39,34,199,245,34],"41854350","revscat",[247,39,34,196,163,34],"41855187",[249,39,34,196,250,34],"41858769","vidarh",[252,39,34,196,163,34],"41869327",[254,39,34,255,256,34],"41860372","other\u002Fcritical\u002Fnone","throwway120385",[258,39,34,196,163,34],"41869363",[260,39,34,196,256,34],"41908399",[154,39,39,262,155,34],"project\u002Fcritical\u002Fidea",[162,39,34,199,163,34],[265,39,34,196,266,34],"41855488","divbzero",[268,39,34,199,163,34],"41869418",[270,39,34,196,271,34],"41867058","qingcharles",[273,39,34,230,11,39],"41854004",[113,38,39,275,114,34],"project\u002Fcritical\u002Fdesign",[277,38,18,278,279,34],"41853553","project\u002Fneutral\u002Fexecution","namibj",[281,38,34,282,11,39],"41854040","project\u002Fneutral\u002Fnone",[284,38,34,196,285,34],"41860513","tmilard",[287,38,34,196,288,34],"41860945","seanw444",[290,18,34,196,291,34],"41851987","cynicalpeace",[293,294,44,190,295,34],"41851356",4,"mmh0000",[297,294,34,193,11,39],"41851792",[299,294,18,193,300,34],"41860027","iwontberude",[302,294,34,193,11,39],"41863700",[147,44,18,278,148,34],[63,44,34,278,11,39],[306,307,18,308,309,34],"41863628",6,"project\u002Fneutral\u002Fdesign","JSoet",[311,307,34,312,11,39],"41863667","maker\u002Fneutral\u002Fdesign",[314,184,44,230,315,34],"41852093","voodooEntity",[317,184,34,199,318,34],"41854276","AStonesThrow",[320,184,34,199,321,34],"41858962","mxmilkiib",[323,184,34,199,318,34],"41863013",[139,325,18,326,140,34],8,"project\u002Fneutral\u002Fidea",[328,325,34,278,11,39],"41854121",[330,325,44,331,332,34],"41863291","project\u002Fpositive\u002Fexecution","ftrsprvln",[334,325,34,193,11,39],"41866396",[82,33,44,331,83,34],[337,33,34,193,11,39],"41852359",[339,33,18,282,83,34],"41852674",[341,33,34,193,11,39],"41852728",[343,344,44,237,345,34],"41851507",10,"23B1",[347,344,34,199,11,39],"41852014",[349,344,44,237,345,34],"41852175",[351,171,18,278,352,34],"41851823","01HNNWZ0MV43FF",[354,171,34,278,11,39],"41852025",[356,357,34,196,358,34],"41851889",12,"oidar",[360,357,34,196,11,39],"41852330",[362,357,34,196,363,34],"41857323","tonyg",[365,357,34,199,11,39],"41863114",[367,368,34,196,369,34],"41854981",13,"nyanpasu64",[371,368,34,196,11,39],"41855281",[373,374,34,196,375,34],"41852528",14,"renewiltord",[377,374,34,196,11,39],"41852709",[379,374,34,199,375,34],"41852817",[381,374,34,196,140,34],"41853247",[132,383,18,282,133,34],15,[385,383,34,282,11,39],"41855291",[90,32,44,387,91,34],"project\u002Fpositive\u002Fperformance",[389,32,34,278,11,39],"41851996",[391,392,44,190,393,34],"41855393",17,"ReallyOldLurker",[395,392,34,196,11,39],"41855541",[397,392,34,196,393,34],"41858976",[86,399,44,400,87,34],18,"project\u002Fpositive\u002Fdesign",[402,399,34,308,11,39],"41851814",[404,399,34,196,405,34],"41851941","nh2",[407,399,34,199,11,39],"41852033",[409,399,34,199,405,34],"41854136",[411,399,34,412,11,39],"41854402","commenter\u002Fpositive\u002Fnone",[414,415,18,282,416,34],"41855241",19,"ks2048",[418,415,34,282,11,39],"41855249",[101,420,44,190,102,34],20,[105,422,44,190,106,34],21,[424,422,34,199,11,39],"41852335",[120,426,39,275,121,34],22,[428,426,34,308,11,39],"41863125",[97,430,44,190,98,34],23,[432,430,34,199,11,39],"41854123",[],[435,439,443,448,453,458],{"id":436,"name":437,"points":438,"category":20},"41848150","emoji",832,{"id":440,"name":441,"points":442,"category":20},"41853810","Graphite",785,{"id":444,"name":445,"points":446,"category":447},"41801334","HTML 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