[{"data":1,"prerenderedAt":392},["ShallowReactive",2],{"project-4836623":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":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":44,"post_text":47,"what":48,"said":72,"maker_in_thread":226,"shape":237,"grid":241,"attempts":355,"same_week":356,"maker_shows":33,"maker_hidden":384,"reader_version":385,"card":386},"4836623","Lekh Diagram","Lekh Diagram, sketch recognition diagramming app for ipad","title","Show HN: Lekh Diagram, sketch recognition diagramming app for ipad","https:\u002F\u002Fitunes.apple.com\u002Fus\u002Fapp\u002Flekh-diagram\u002Fid576124115","itunes.apple.com","rajeevk",1354014533,2012,87,53,260,1677,16,"notable","dev_tools","diagramming app","mobile_app",[24,25,26,27],"diagramming ipad","sketch recognition","flowchart app","draw diagrams","loved",0.229,{"positive":31,"neutral":32,"mixed":33,"critical":33},11,15,2,30,{"design":36,"idea":39,"docs":40,"execution":41,"performance":42,"pricing":43},{"positive":37,"critical":38},1,0,{"positive":33,"critical":37},{"positive":38,"critical":38},{"positive":33,"critical":37},{"positive":38,"critical":38},{"positive":38,"critical":38},[45,38,45,46,38,45,45,38,46,45,45,38,46,38,46,46,38,45,46,38,45,37,46,38,46,46,38,45,38,46,37,46,38,45,46,46,46,38,45,46],5,3,null,{"problem":49,"audience":47,"pricing":61,"motivation":47,"time_to_build":47,"stack":68,"openness":69,"stage":70,"team_size":71},{"value":50,"source":51,"evidence":52},"Drawing diagrams and flowcharts quickly by sketching shapes that get recognized","commenter",[53,57],{"id":54,"by":55,"text":56},"4836986","Gatsky","There is something very pleasurable about drawing flow charts like this. It hits a sweet spot between actual drawing and presentation programs\u002Flucid chart. Great work!",{"id":58,"by":59,"text":60},"4837492","stuartjmoore","Your screenshots don't have to be literal screenshots. At first glance, there doesn't seem to be anything special about your app. Its main feature is un-advertised! I would…",{"value":62,"source":63,"evidence":64},"Free to download; export feature is an in-app purchase","maker",[65],{"id":66,"by":11,"text":67},"4836971","Free to download and draw diagram. You have to purchase export feature (In App Purchase) to export diagram in various formats. And regarding the instaviz, this very restrictive.…",[],"paid","launched","solo",{"praise":73,"objections":91,"requests":124,"questions":176,"alternatives":200},[74,83,87],{"value":75,"source":51,"evidence":76},"Shape recognition and execution praised as good for a first version",[77,81,82],{"id":78,"by":79,"text":80},"4836963","3D4y0","Rajeevk, great job!! Things I'm looking forward to: - snap to grid - object grouping Your app needs a bit more polish, and your icon could do with a bit more work, but for a…",{"id":66,"by":11,"text":67},{"id":54,"by":55,"text":56},{"value":84,"source":51,"evidence":85},"Feels like a sweet spot between drawing and presentation tools",[86],{"id":54,"by":55,"text":56},{"value":88,"source":51,"evidence":89},"Replaced Grafio as a go-to diagramming tool for one user",[90],{"id":78,"by":79,"text":80},[92,100,107,114],{"value":93,"source":51,"evidence":94},"Visual UI looks unpolished and icon needs work",[95,96],{"id":78,"by":79,"text":80},{"id":97,"by":98,"text":99},"4837526","mike_h","App Store marketing suggestion: say what makes you distinct as near as possible to the beginning of the description text. Which here I think means, get your sketch-recognition…",{"value":101,"source":51,"evidence":102},"Dragging feels slow and fine-grained line and text options are overwhelming",[103],{"id":104,"by":105,"text":106},"4836927","cyann","This is very good! What I miss is a \"snap to grid\" feature. Some comments: - dragging object feels slow on iPad 3 - the line and text options give too much choices, maybe you…",{"value":108,"source":51,"evidence":109},"Accidental fly specks from touches and hard-to-select shapes",[110],{"id":111,"by":112,"text":113},"4837932","jws","Very nicely done! But I wish you could have watched over my shoulder as I bumbled around at the UI. Since I bought the export function and therefore own you as a developer to…",{"value":115,"source":51,"evidence":116},"Recognition fails for some strokes such as left-handed drawing",[117,121],{"id":118,"by":119,"text":120},"4836989","tyc","Do you take into consideration the direction of the strokes? I can't seem to get it to recognize anything but a rectangle. Lefty here, hence the direction query.",{"id":122,"by":11,"text":123},"4837017","No, there is no consideration of direction. I am not sure what's going wrong. I have tested all shapes in all directions. You have to draw a shape close to whatever shape you…",[125,133,148,158,168],{"value":126,"source":51,"evidence":127},"Snap to grid and object grouping",[128,129,130],{"id":104,"by":105,"text":106},{"id":78,"by":79,"text":80},{"id":131,"by":11,"text":132},"4837007","snap to grid and object grouping have top priority in the list of features of next release.",{"value":134,"source":51,"evidence":135},"Export to Visio or DOT formats",[136,140,144],{"id":137,"by":138,"text":139},"4836814","darrhiggs","Rajeevk, this is absolutely fantastic, great job! But… why don't you support DOT as an export type? It would be so unbelievably awesome for me to prototype in Lekh and then…",{"id":141,"by":142,"text":143},"4836861","newman314","I don't suppose you could add Visio format?",{"id":145,"by":146,"text":147},"4837314","pixelglow","If you want to export to Visio, export to VDX which is the Visio Document XML format. IIRC it's documented on the Microsoft site, and I even wrote a VXD exporter for the Graphviz…",{"value":149,"source":51,"evidence":150},"Android version",[151,155],{"id":152,"by":153,"text":154},"4836645","vbm","Any plan on android version?",{"id":156,"by":11,"text":157},"4836655","Yeah, that is in plan, but it will take some time. Development not started yet.",{"value":159,"source":51,"evidence":160},"Real-time collaborative whiteboard mode",[161,165],{"id":162,"by":163,"text":164},"4836830","jimparkins","Rajeevk - please please create a version of this app that is modified into a virtual whiteboard so that two or more people can update the same plan at the same time. I have…",{"id":166,"by":11,"text":167},"4836851","Thanks jimparkins for liking the app and suggesting the new idea. The real time collaboration using this app is a killer idea. This was suggested by many people sometime ago (in…",{"value":169,"source":51,"evidence":170},"Pinch zoom and shake to undo",[171,175],{"id":172,"by":173,"text":174},"4837312","zekel","Very awesome. You may want to consider making the dash\u002Fcolor\u002Ffill tappable, instead of relying on the tiny disclosure button. It would definitely speed up access to those…",{"id":111,"by":112,"text":113},[177,190],{"value":178,"source":51,"evidence":179},"What algorithm is used to recognize shapes",[180,184,187],{"id":181,"by":182,"text":183},"4836708","denzil_correa","Great job! Q1: What algorithm do you use to recognize the closest shape? Q2: Which shapes are the most difficult to recognize?",{"id":185,"by":182,"text":186},"4836750","Q1: What algorithm do you use to identify the nearest shape? How do you know the user intends to draw a square, or a curve or a rectangle?",{"id":188,"by":11,"text":189},"4836802","When user completes a stroke (touch up), then I take the path drawn by user, then divide the path such that each small sub path is very close to a line. Then I have combination…",{"value":191,"source":51,"evidence":192},"How to create edges connecting to the node itself",[193,197],{"id":194,"by":195,"text":196},"4836739","chriseidhof","Awesome! How do I create edges that connect to the node itself? Like the state diagram you show in the screenshots?",{"id":198,"by":11,"text":199},"4836752","I could not get you exactly asked. Here is a youtube demo of how to connect shapes: http:\u002F\u002Fwww.youtube.com\u002Fwatch?v=EKT_NqHM6Zk I guess you asked connecting to itself.. right? for…",[201,212,222],{"value":202,"source":51,"evidence":203},"Grafio",[204,205,208],{"id":78,"by":79,"text":80},{"id":206,"by":11,"text":207},"4836994","grafio is a close competitor to Lekh Diagram. Shape recognition and customization of shapes are much better in Lekh Diagram. What Lekh Diagram lacks (if you compare with grafio)…",{"id":209,"by":210,"text":211},"4838190","iAinsley","I was going to use Grafio, but this is a much better alternative!",{"value":213,"source":51,"evidence":214},"Instaviz",[215,219],{"id":216,"by":217,"text":218},"4836958","jorgeleo","Instaviz does the same thing, but yours is free, and your execution is better, great job... \u003Csarcasm>Cue to patetent lawyers in 3...2...\u003C\u002Fsarcasm>",{"id":220,"by":146,"text":221},"4837237","Instaviz author here. This is actually intentional, Instaviz is really optimized for quickly sketching out ideas and thoughts and not having to worry about layout. I'm planning a…",{"value":223,"source":51,"evidence":224},"Lucid Chart",[225],{"id":54,"by":55,"text":56},{"comments":227,"answered":228,"key":229},22,9,[230,233,234],{"id":231,"text":232},"4838071","Thanks for such wonderful comment. This is just 1st version release. I had to cut many things to get the v1 out. There are lot of scope for improvement. Releasing the v1 and…",{"id":166,"text":167},{"id":235,"text":236},"4836633","Here is youtube demo: http:\u002F\u002Fwww.youtube.com\u002Fwatch?v=xvPLRRt79uo For more info: http:\u002F\u002Fwww.avabodh.com\u002Flekh",{"commenters":238,"max_depth":239,"maker_replies":227,"first_comment_mins":240,"lifespan_hours":31},23,6,4,[242,244,246,250,252,254,256,258,260,262,265,266,268,270,272,274,277,279,282,284,286,288,290,292,294,297,298,300,302,304,309,311,312,314,315,317,320,321,323,324,325,328,331,334,337,341,342,343,344,346,347,349,353],[111,38,45,243,112,38],"project\u002Fpositive\u002Fdesign",[231,38,38,245,11,37],"maker\u002Fneutral\u002Fnone",[247,38,45,248,249,38],"4839018","maker\u002Fpositive\u002Fnone","epaga",[162,37,46,251,163,38],"project\u002Fneutral\u002Fidea",[166,37,38,253,11,37],"maker\u002Fneutral\u002Fidea",[235,33,38,255,11,37],"project\u002Fneutral\u002Fdocs",[137,46,45,257,138,38],"project\u002Fpositive\u002Fidea",[259,46,38,253,11,37],"4836826",[261,46,45,248,138,38],"4836847",[263,46,38,264,11,37],"4836864","commenter\u002Fneutral\u002Fnone",[97,240,46,255,98,38],[267,240,38,245,11,37],"4837558",[269,240,45,248,98,38],"4839418",[216,45,45,271,217,38],"project\u002Fpositive\u002Fexecution",[66,45,38,273,11,37],"project\u002Fneutral\u002Fpricing",[275,45,38,276,217,38],"4836990","other\u002Fneutral\u002Fnone",[220,45,46,278,146,38],"project\u002Fneutral\u002Fdesign",[280,45,38,281,11,37],"4837273","project\u002Fneutral\u002Fexecution",[283,45,46,281,146,38],"4837324",[285,45,38,281,11,37],"4837385",[104,239,46,287,105,38],"project\u002Fmixed\u002Fperformance",[289,239,38,245,11,37],"4836948",[78,291,45,271,79,38],7,[206,291,38,293,11,37],"project\u002Fmixed\u002Fdesign",[295,291,46,296,79,38],"4837134","maker\u002Fneutral\u002Fdesign",[131,291,38,245,11,37],[54,299,45,257,55,38],8,[118,228,37,301,119,38],"project\u002Fcritical\u002Fexecution",[122,228,38,303,11,37],"maker\u002Fneutral\u002Fexecution",[305,306,46,307,308,38],"4836742",10,"project\u002Fneutral\u002Fnone","premasagar",[310,306,38,307,11,37],"4836761",[141,306,46,307,142,38],[313,306,38,245,11,37],"4836869",[145,306,46,245,146,38],[316,306,38,245,11,37],"4837347",[318,306,45,319,308,38],"4837764","project\u002Fpositive\u002Fnone",[181,31,46,245,182,38],[322,31,38,303,11,37],"4836721",[185,31,46,303,182,38],[188,31,38,303,11,37],[58,326,37,327,59,38],12,"project\u002Fcritical\u002Fidea",[329,326,46,255,330,38],"4837607","SoftwareMaven",[332,326,38,333,11,37],"4837629","maker\u002Fneutral\u002Fdocs",[335,336,45,319,330,38],"4837612",13,[338,339,46,273,340,38],"4837427",14,"tsieling",[172,32,46,293,173,38],[194,18,46,278,195,38],[198,18,38,333,11,37],[152,345,46,307,153,38],17,[156,345,38,245,11,37],[209,348,45,319,210,38],18,[350,351,46,278,352,38],"4836879",19,"grischoun",[354,351,38,296,11,37],"4836887",[],[357,362,367,371,375,380],{"id":358,"name":359,"points":360,"category":361},"4840032","Telescope",222,"web_saas",{"id":363,"name":364,"points":365,"category":366},"4824652","Docverter",146,"data",{"id":368,"name":369,"points":370,"category":361},"4843181","Helium",109,{"id":372,"name":373,"points":374,"category":361},"4835453","btcworkers",102,{"id":376,"name":377,"points":378,"category":379},"4838126","combinators.info",59,"learning_science",{"id":381,"name":382,"points":15,"category":383},"4832967","Dubjoy","creative",false,"v2",{"id":387,"name":5,"line":6,"ai":384,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":388,"top":18,"kw":389,"maker":11,"domain":10,"tier":19,"attempts":38,"strip":390,"url":9,"mix":391,"praise":75,"objection":93,"sub":21},4836623,0.23,[24,25,26,27],"5053055035503033053051303305031305333053",[31,32,33,33],1793990888040]