[{"data":1,"prerenderedAt":354},["ShallowReactive",2],{"project-29381055":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":35,"aspects":36,"strip":44,"post_text":45,"what":46,"said":83,"maker_in_thread":172,"shape":181,"grid":184,"attempts":315,"same_week":316,"maker_shows":40,"maker_hidden":346,"reader_version":347,"card":348},"29381055","Security Camera Lens Calculator","title","Show HN: Security Camera Lens Calculator","https:\u002F\u002Fwww.jvsg.com\u002Fcalculators\u002Fcctv-lens-calculator\u002F","jvsg.com","maxshm",1638200404,2021,178,49,267,2533,11,"notable","web_saas","security camera planning calculator","web_app",[23,24,25,26,27],"cctv lens calculator","pixel density","dori zones","security camera coverage","focal length","roasted",-0.178,{"positive":31,"neutral":32,"mixed":33,"critical":34},6,5,0,12,23,{"execution":37,"design":39,"idea":41,"docs":42},{"positive":33,"critical":38},3,{"positive":40,"critical":31},2,{"positive":38,"critical":40},{"positive":33,"critical":43},1,[33,43,33,33,43,32,43,33,33,32,33,33,38,43,33,33,33,43,43,38,33,33,33,33,33,33,38,43,33,32,33,32,33,43,43,43,43,33,38,32],null,{"problem":47,"audience":54,"pricing":45,"motivation":45,"time_to_build":63,"stack":67,"openness":80,"stage":81,"team_size":82},{"value":48,"source":49,"evidence":50},"Choosing a CCTV lens and camera placement, checking pixel density and blind spots","maker",[51],{"id":52,"by":10,"text":53},"29384695","We created Security Camera Lens Calculator with 3D graphics(WebGL) and a built-in camera database. https:\u002F\u002Fwww.jvsg.com\u002Fcalculators\u002Fcctv-lens-calculator\u002F It is a web app…",{"value":55,"source":56,"evidence":57},"Security camera installers and buyers","inferred",[58,62],{"id":59,"by":60,"text":61},"29389234","CTDOCodebases","Very cool. So often I see poorly positioned CCTV cameras that are effectively useless because the installer has not considered blind spots.",{"id":52,"by":10,"text":53},{"value":64,"source":49,"evidence":65},"More than 1 year",[66],{"id":52,"by":10,"text":53},[68,72,76],{"value":69,"source":49,"evidence":70},"JavaScript",[71],{"id":52,"by":10,"text":53},{"value":73,"source":49,"evidence":74},"React",[75],{"id":52,"by":10,"text":53},{"value":77,"source":49,"evidence":78},"WebGL",[79],{"id":52,"by":10,"text":53},"unknown","launched","team",{"praise":84,"objections":105,"requests":136,"questions":159,"alternatives":164},[85,94],{"value":86,"source":87,"evidence":88},"Useful for planning camera placement and avoiding blind spots","commenter",[89,90],{"id":59,"by":60,"text":61},{"id":91,"by":92,"text":93},"29383280","daenz","Super cool! I've built something similar and adhoc for an art piece[0] that used cameras. It used a thermal camera which has fixed focal length (due to the optics of heat…",{"value":95,"source":87,"evidence":96},"Polished, easy UI despite complexity",[97,101],{"id":98,"by":99,"text":100},"29385781","pseudosavant","I don't currently have a use for this, but it is still very impressive. Incredible amount of complexity exposed with an easy to use UI. I especially liked the mug shot on the…",{"id":102,"by":103,"text":104},"29381943","azalemeth","Very shiny. I've never bought a CCTV camera in my life, but I understood everything intuitively. I didn't see how to change the scene beyond adding the woman \u002F car, but it was…",[106,117,128],{"value":107,"source":87,"evidence":108},"Color scheme for pixel density seems inverted",[109,113],{"id":110,"by":111,"text":112},"29382413","bmcahren","Your color scheme is the opposite of what I would expect. Worst resolution = Red\u002FOrange Acceptable resolution = Yellow Best resolution = Green\u002FBlue",{"id":114,"by":115,"text":116},"29382048","jaclaz","About the Italian version: >Calcolare la lunghezza focale dell obiettivo della fotocamera, la densità dei pixel e vedere le zone della fotocamera in 3D In actual Italian that…",{"value":118,"source":87,"evidence":119},"Layout issues on small screens and scrolling",[120,124],{"id":121,"by":122,"text":123},"29388709","emmelaich","The FOV\u002Fdistance from camera at the bottom is not reachable on a 11\" screen. (Mac air 11\", chrome)",{"id":125,"by":126,"text":127},"29381814","Gys","Interesting concept. A few days ago I bought an outside camera and seems I choose well for my use case. One thing: the left side menu is not scrollable but should be? On my…",{"value":129,"source":87,"evidence":130},"Installation height does not change the rendered person",[131,132],{"id":91,"by":92,"text":93},{"id":133,"by":134,"text":135},"29383577","GistNoesis","The link https:\u002F\u002Fwww.jvsg.com\u002Fonline\u002F redirect to https:\u002F\u002Fwww.jvsg.com\u002Fcalculators\u002Fcctv-lens-calculator\u002F which doesn't have all the functionality of your whole software…",[137,144,152],{"value":138,"source":87,"evidence":139},"Add more camera models such as Amazon Ring and Blink",[140],{"id":141,"by":142,"text":143},"29387829","kingcharles","Can you add Amazon\u002FRing\u002FBlink camera specs? :)",{"value":145,"source":87,"evidence":146},"Support multiple cameras and blind spot checks",[147,148],{"id":133,"by":134,"text":135},{"id":149,"by":150,"text":151},"29382137","buro9","I like it and immediately see a secondary use-case... the purchase of cameras and lenses for home broadcast studios and the upper end of vloggers and video conferencing.…",{"value":153,"source":87,"evidence":154},"Tooltips for icons",[155],{"id":156,"by":157,"text":158},"29388989","CamperBob2","Also, consider adding tooltips -- I don't read hieroglyphics and have no idea what all those icons do.",[160],{"value":161,"source":87,"evidence":162},"How to load a floor plan",[163],{"id":133,"by":134,"text":135},[165],{"value":166,"source":87,"evidence":167},"IPVM calculator",[168],{"id":169,"by":170,"text":171},"29382675","sirmoveon","I tried to use it but it didn't seem as user friendly as the one @calculator.ipvm.com which I have used before. Maybe take some ideas from their interface.",{"comments":17,"answered":43,"key":173},[174,175,178],{"id":52,"text":53},{"id":176,"text":177},"29384281","Thank you for your feedback and advice! Wow, it is great to meet a person here who knows about our main desktop software IP Video System Design Tool. To import a floor plan in…",{"id":179,"text":180},"29401758","It is possible to add tooltips in a desktop version. But how to show them on a smartphone with touch interface?",{"commenters":182,"max_depth":32,"maker_replies":17,"first_comment_mins":40,"lifespan_hours":183},34,40,[185,187,189,191,195,197,199,201,205,208,212,215,217,220,223,226,229,232,234,237,239,242,243,246,250,253,256,259,261,264,266,269,273,275,278,281,283,286,288,289,291,292,294,298,300,304,306,308,310],[52,33,33,186,10,43],"project\u002Fneutral\u002Fnone",[133,43,43,188,134,33],"project\u002Fcritical\u002Fexecution",[176,43,33,190,10,43],"maker\u002Fneutral\u002Fnone",[192,43,33,193,194,33],"29384716","other\u002Fneutral\u002Fnone","dang",[156,43,43,196,157,33],"project\u002Fcritical\u002Fdesign",[179,43,33,198,10,43],"project\u002Fneutral\u002Fdesign",[149,40,32,200,150,33],"project\u002Fpositive\u002Fidea",[202,40,43,203,204,33],"29383133","project\u002Fcritical\u002Fidea","atoav",[206,40,33,193,207,33],"29385061","slimsag",[209,40,33,210,211,33],"29384655","commenter\u002Fneutral\u002Fnone","KennyBlanken",[213,40,33,210,214,33],"29389269","fleventynine",[102,38,32,216,103,33],"project\u002Fpositive\u002Fdesign",[218,38,33,219,10,43],"29382287","maker\u002Fneutral\u002Fdesign",[221,38,33,210,222,33],"29385106","justincormack",[224,38,38,198,225,33],"29385010","dylan604",[114,227,43,228,115,33],4,"project\u002Fcritical\u002Fdocs",[230,227,38,198,231,33],"29382225","tata71",[233,227,33,210,115,33],"29382644",[235,227,33,210,236,33],"29383164","aastronaut",[238,227,33,219,10,43],"29382253",[240,227,33,241,115,33],"29382611","commenter\u002Fneutral\u002Fdesign",[110,32,43,196,111,33],[244,32,43,203,245,33],"29385239","jstanley",[247,32,38,248,249,33],"29386545","project\u002Fneutral\u002Fidea","Tempest1981",[251,31,33,193,252,33],"29384958","scottlamb",[254,31,33,193,255,33],"29385526","pnw",[257,31,33,193,258,33],"29385535","rileyphone",[260,31,33,193,252,33],"29387059",[262,31,33,263,255,33],"29387085","other\u002Fneutral\u002Fpricing",[265,31,33,210,252,33],"29387521",[267,31,33,193,268,33],"29390674","sliken",[270,271,38,186,272,33],"29381073",7,"mtmail",[274,271,33,210,10,43],"29381111",[276,271,43,188,277,33],"29381740","diimdeep",[279,271,33,280,10,43],"29382348","maker\u002Fneutral\u002Fexecution",[91,282,32,200,92,33],8,[284,285,33,186,10,43],"29382325",9,[59,287,32,200,60,33],10,[98,17,32,216,99,33],[290,17,33,219,10,43],"29401767",[125,34,43,196,126,33],[169,293,43,196,170,33],13,[295,296,43,196,297,33],"29382038",14,"fennecfoxen",[121,299,43,196,122,33],15,[301,302,43,188,303,33],"29383477",16,"linux_is_nice",[305,302,33,280,10,43],"29384295",[141,307,38,248,142,33],17,[309,307,33,190,10,43],"29389418",[311,312,32,313,314,33],"29386682",18,"maker\u002Fpositive\u002Fnone","atum47",[],[317,321,326,331,336,341],{"id":318,"name":319,"points":320,"category":19},"29349079","shuffle.dev",317,{"id":322,"name":323,"points":324,"category":325},"29368552","4K Desktop Wallpaper Generator",258,"creative",{"id":327,"name":328,"points":329,"category":330},"29406112","Neko",227,"infrastructure",{"id":332,"name":333,"points":334,"category":335},"29391107","py_regular_expressions interactive exercises",175,"learning_science",{"id":337,"name":338,"points":339,"category":340},"29369877","Life Simulation",169,"games",{"id":342,"name":343,"points":344,"category":345},"29359966","Mood2Movie",163,"consumer_social",false,"v2",{"id":349,"name":5,"line":5,"ai":346,"cat":19,"year":12,"points":13,"comments":14,"rec":28,"s":350,"top":17,"kw":351,"maker":10,"domain":9,"tier":18,"attempts":33,"strip":352,"url":8,"mix":353,"praise":86,"objection":107,"sub":20},29381055,-0.18,[23,24,25,26,27],"0100151005003100011300000031050501111035",[31,32,33,34],1794036613708]