[{"data":1,"prerenderedAt":378},["ShallowReactive",2],{"project-50290533":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":36,"aspects":37,"strip":45,"post_text":48,"what":49,"said":79,"maker_in_thread":212,"shape":223,"grid":226,"attempts":341,"same_week":342,"maker_shows":39,"maker_hidden":370,"reader_version":371,"card":372},"50290533","Outcrop","Point your camera at a landscape to learn about its geology","title","Show HN: Point your camera at a landscape to learn about its geology","https:\u002F\u002Foutcrop.rocks\u002F","outcrop.rocks","headsupernova",1793287361,2026,187,41,324,4366,8,"notable","learning_science","geology education","mobile_app",[24,25,26,27,28],"geology","augmented reality","geologic maps","rock formations","earth history","curious",0.188,{"positive":32,"neutral":33,"mixed":34,"critical":35},10,16,1,4,31,{"execution":38,"design":40,"idea":42,"performance":43,"docs":44},{"positive":39,"critical":39},2,{"positive":34,"critical":41},0,{"positive":39,"critical":41},{"positive":41,"critical":34},{"positive":41,"critical":34},[46,46,41,46,41,47,41,34,47,47,41,47,46,47,41,47,41,46,46,41,47,41,47,41,34,41,46,41,47,41,46,47,34,41,47,47,46,47,47,47],5,3,"I've been working on a fun little app that paints geologic maps over landscapes using augmented reality. You can use it to identify what the mapped rocks are, read descriptions about them, and view the earth as it looked when they formed by turning back the continent positions. It spun out of some augmented reality work I was doing on my other side project app - Flyover Country, which tells you about the view from the airplane window.\n\nI'm in Minnesota, so i haven't had a chance to test it on a huge amount of terrain (the best I've found is the Mississippi River gorge in the twin cities... I n",{"problem":50,"audience":56,"pricing":61,"motivation":62,"time_to_build":61,"stack":66,"openness":77,"stage":78,"team_size":77},{"value":51,"source":52,"evidence":53},"Identifying the rocks in a landscape and learning their geology and history","maker",[54],{"id":55},"post",{"value":57,"source":58,"evidence":59},"People curious about the geology of the landscapes they see","inferred",[60],{"id":55},null,{"value":63,"source":52,"evidence":64},"Spun out of AR work on the maker's other app, Flyover Country",[65],{"id":55},[67,73],{"value":68,"source":52,"evidence":69},"ARKit",[70],{"id":71,"by":11,"text":72},"50330654","the AR stuff leans heavily on ARkit and ARCore APIs but I think similar things are possible with web apis.",{"value":74,"source":52,"evidence":75},"ARCore",[76],{"id":71,"by":11,"text":72},"unknown","launched",{"praise":80,"objections":104,"requests":144,"questions":174,"alternatives":201},[81,93,97],{"value":82,"source":83,"evidence":84},"Fun and well executed; a kid and parent spent hours with it","commenter",[85,89],{"id":86,"by":87,"text":88},"50325981","timothevs","This is really well done! My 9-year-old and I have been going down the rabbit hole for the last 2 hours. We simply love the ‘Where it formed’ feature. Great job!",{"id":90,"by":91,"text":92},"50325548","chamomeal","No WAY I have wanted this exact thing all for years!!! I am so stoked to try this out later. This is so sick. Got the test flight version installed no problem!",{"value":94,"source":83,"evidence":95},"The 'Where it formed' feature is especially liked",[96],{"id":86,"by":87,"text":88},{"value":98,"source":83,"evidence":99},"Soil and Quaternary layers are useful for Midwest terrain",[100],{"id":101,"by":102,"text":103},"50327119","ballen","Very cool. Really like having the soils and quaternary layers for those us in the Midwest without a lot of bedrock exposure.",[105,116,126,137],{"value":106,"source":83,"evidence":107},"Unclear whether the geology data is accurate",[108,112],{"id":109,"by":110,"text":111},"50334195","sandspar","It's a cool idea but how do you know whether it's accurate? Couldn't it just be making stuff up? Laymen consumers would have no way to tell the difference.",{"id":113,"by":114,"text":115},"50334432","pragmatick","It pulls the data from https:\u002F\u002Fmacrostrat.org\u002F and \"just\" determines where you are and does the AR overlay. So I guess it depends if you trust their data.",{"value":117,"source":83,"evidence":118},"Live AR tracking fails on some Android phones",[119,123],{"id":120,"by":121,"text":122},"50324737","RobotToaster","Whenever I try live view I get \"tracking did not start. Try again\" on android",{"id":124,"by":121,"text":125},"50326975","It's a old Doogee v31gt running android 13 Edit: It looks to be my phone, I just tried it again and it says \"This phone can't do the motion tracking Live needs\"",{"value":127,"source":83,"evidence":128},"Copy reads as AI-generated",[129,133],{"id":130,"by":131,"text":132},"50327652","Aeroi","atleast re-write your subheading \"each rock named\" most ai smelling shite ever.",{"id":134,"by":135,"text":136},"50330497","seabass","It's always so disappointing. This looks genuinely cool, soured by all the little ai artifacts that get hard to look past, like \"the circle names what it rests on\".",{"value":138,"source":83,"evidence":139},"No web version, so an app install is required",[140],{"id":141,"by":142,"text":143},"50305736","gus_massa","Is there a web version? I don't like to install apps if avoidable. When the page loads, it shows a blinking animation [1]. I didn't realize it was a loading an interactive…",[145,153,163,170],{"value":146,"source":83,"evidence":147},"Add a web version",[148,149],{"id":141,"by":142,"text":143},{"id":150,"by":151,"text":152},"50329444","thingfyi","Very cool project! I also wonder if a web version is plausible. Are there any specific native app features in it?",{"value":154,"source":83,"evidence":155},"Support ASTER and Landsat data overlays",[156,160],{"id":157,"by":158,"text":159},"50326135","lightedman","This would be insanely awesome if I could add a data layer or two atop the geologic unit map. This combined with processed ASTER and LANDAST data overlaying the geologic units…",{"id":161,"by":158,"text":162},"50333168","The processed stuff is what you want, northwest and southwest, AA12. Best thing to do is knock out the dead data layers (I think those were 48-50) and knock out I think band 14…",{"value":164,"source":83,"evidence":165},"Flip the timeline so past is on the left",[166],{"id":167,"by":168,"text":169},"50325246","naftalibeder","Very well done. The animation of plate movements give me a real sense of vertigo! Earth is old. o__O For me at least, it would feel more intuitive to have the distant past on the…",{"value":171,"source":83,"evidence":172},"Add lat\u002Flon grid lines to anchor the globe",[173],{"id":167,"by":168,"text":169},[175,186,197],{"value":176,"source":83,"evidence":177},"Does it work outside the US, such as in the EU?",[178,182],{"id":179,"by":180,"text":181},"50334730","vekker","This is awesome! Does it work in EU as well? Does this also recognize peaks as well as PeakFinder does?",{"id":183,"by":184,"text":185},"50330560","xaviermts","US only?",{"value":187,"source":83,"evidence":188},"Does it work offline?",[189,193],{"id":190,"by":191,"text":192},"50290585","tomshafer","Neat idea. Does it work offline? Up north there's often no signal, and I'd guess phone compass drift near steel bridges or cliffs would throw the overlay off too.",{"id":194,"by":195,"text":196},"50314248","_Microft","„The map and Live then work with no signal. Fossil finds and Live’s active faults still need a connection.“",{"value":198,"source":83,"evidence":199},"Does it identify peaks like PeakFinder?",[200],{"id":179,"by":180,"text":181},[202,208],{"value":203,"source":52,"evidence":204},"Backseat Geologist",[205],{"id":206,"by":11,"text":207},"50327332","Somebody else is working on exactly that! check out Backseat Geologist",{"value":209,"source":83,"evidence":210},"PeakFinder",[211],{"id":179,"by":180,"text":181},{"comments":33,"answered":35,"key":213},[214,217,220],{"id":215,"text":216},"50326304","wow this is so delightful to read!! glad you two are enjoying it!",{"id":218,"text":219},"50328753","oh man a screenshot of the live view on the Canyon would make my day!! please send one over (shane @t flyovercountry.app). Fingers crossed it works for you!",{"id":221,"text":222},"50326351","oh interesting yeah I was trying to keep the time direction consistent with the squiggle graphic in the main sheet, but I can see how it would read backwards! Maybe I should flip…",{"commenters":224,"max_depth":35,"maker_replies":33,"first_comment_mins":47,"lifespan_hours":225},28,90,[227,231,233,235,238,240,242,244,246,248,250,251,253,258,260,264,265,266,271,273,275,277,279,281,285,287,289,291,293,295,298,300,302,303,306,308,312,314,317,320,322,324,327,331,334,335,337],[228,41,46,229,230,41],"50334273","project\u002Fpositive\u002Fnone","alenrozac",[86,34,46,232,87,41],"project\u002Fpositive\u002Fexecution",[215,34,41,234,11,34],"maker\u002Fpositive\u002Fnone",[236,39,46,229,237,41],"50327782","hsparikh",[218,39,41,239,11,34],"maker\u002Fneutral\u002Fnone",[241,39,47,239,237,41],"50333034",[167,47,47,243,168,41],"project\u002Fneutral\u002Fdesign",[221,47,41,245,11,34],"maker\u002Fneutral\u002Fdesign",[109,35,34,247,110,41],"project\u002Fcritical\u002Fexecution",[113,35,47,249,114,41],"project\u002Fneutral\u002Fexecution",[141,46,47,243,142,41],[252,46,41,239,11,34],"50326714",[254,255,47,256,257,41],"50328505",6,"project\u002Fneutral\u002Fnone","nsilvestri",[259,255,41,239,11,34],"50328745",[261,262,46,232,263,41],"50331986",7,"StepWeiwu",[150,18,47,256,151,41],[71,18,41,239,11,34],[267,268,47,269,270,41],"50326741",9,"project\u002Fneutral\u002Fidea","tectonic",[206,268,41,272,11,34],"other\u002Fneutral\u002Fnone",[101,32,46,274,102,41],"project\u002Fpositive\u002Fidea",[276,32,41,239,11,34],"50327325",[90,278,46,229,91,41],11,[280,278,41,239,11,34],"50326343",[282,283,47,249,284,41],"50326334",12,"assimpleaspossi",[286,283,41,239,11,34],"50326372",[288,283,46,234,284,41],"50326613",[120,290,34,247,121,41],13,[292,290,41,239,11,34],"50326259",[124,290,34,294,121,41],"project\u002Fcritical\u002Fperformance",[296,297,41,272,11,34],"50327604",14,[157,299,46,274,158,41],15,[301,299,41,239,11,34],"50326684",[161,299,47,269,158,41],[304,33,47,256,305,41],"50327214","tamimio",[307,33,41,239,11,34],"50327348",[309,310,46,229,311,41],"50330403",17,"hailwood1965",[183,313,47,256,184,41],18,[130,315,34,316,131,41],19,"project\u002Fcritical\u002Fdocs",[318,315,41,319,11,34],"50329031","maker\u002Fneutral\u002Fdocs",[134,315,47,321,135,41],"project\u002Fmixed\u002Fdocs",[323,315,41,319,11,34],"50331073",[325,315,47,319,326,41],"50333129","throwaway219450",[328,315,46,329,330,41],"50334639","project\u002Fpositive\u002Fdesign","jcattle",[190,332,47,333,191,41],20,"project\u002Fneutral\u002Fperformance",[194,332,47,333,195,41],[179,336,47,256,180,41],21,[338,339,47,249,340,41],"50334808",22,"seeg",[],[343,347,352,357,362,366],{"id":344,"name":345,"points":346,"category":20},"50326821","HackerBooks",1242,{"id":348,"name":349,"points":350,"category":351},"50306442","nesformer",292,"ai",{"id":353,"name":354,"points":355,"category":356},"50311686","Episodle",243,"games",{"id":358,"name":359,"points":360,"category":361},"50325253","OmniDiff",213,"dev_tools",{"id":363,"name":364,"points":365,"category":361},"50294506","dontallow",154,{"id":367,"name":368,"points":369,"category":351},"50297697","DOOMFORMER",131,false,"v2",{"id":373,"name":5,"line":6,"ai":370,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":374,"top":18,"kw":375,"maker":11,"domain":10,"tier":19,"attempts":41,"strip":376,"url":9,"mix":377,"praise":82,"objection":106,"sub":21},50290533,0.19,[24,25,26,27,28],"5505030133035303055030301050305310335333",[32,33,34,35],1794036713091]