[{"data":1,"prerenderedAt":530},["ShallowReactive",2],{"project-11849398":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":5,"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":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":43,"post_text":46,"what":47,"said":80,"maker_in_thread":169,"shape":178,"grid":182,"attempts":493,"same_week":494,"maker_shows":32,"maker_hidden":522,"reader_version":523,"card":524},"11849398","metrocosm.com","Map of immigration to the U.S. since 1820","title","Show HN: Map of immigration to the U.S. since 1820","http:\u002F\u002Fmetrocosm.com\u002Fus-immigration-history-map.html","mgalka",1465240019,2016,294,110,69,2264,4,"legend","data","interactive data visualization","web_app",[23,24,25,26],"immigration history","us immigration map","immigration data visualization","metrocosm","curious",-0.062,{"positive":30,"neutral":31,"mixed":32,"critical":33},6,21,2,8,37,{"idea":36,"design":37,"performance":39,"docs":41,"execution":42},{"positive":32,"critical":17},{"positive":38,"critical":32},0,{"positive":40,"critical":38},1,{"positive":38,"critical":40},{"positive":38,"critical":40},[38,38,44,40,32,40,40,38,38,44,44,45,38,38,38,40,38,38,38,38,38,40,40,44,45,45,45,38,38,38,45,44,45,40,38,45,38,44,45,45],5,3,null,{"problem":48,"audience":46,"pricing":46,"motivation":46,"time_to_build":46,"stack":54,"openness":78,"stage":79,"team_size":78},{"value":49,"source":50,"evidence":51},"Shows how immigration flows to the U.S. changed over time by origin country","inferred",[52],{"id":53},"post",[55,62,66,72],{"value":56,"source":57,"evidence":58},"Canvas","maker",[59],{"id":60,"by":10,"text":61},"11854284","The graphic is a canvas element overlaid on an svg element. I wasn't able to figure out a way of making the whole thing responsive so I just put it in a responsive iframe. I'm…",{"value":63,"source":57,"evidence":64},"SVG",[65],{"id":60,"by":10,"text":61},{"value":67,"source":57,"evidence":68},"arc.js",[69],{"id":70,"by":10,"text":71},"11850322","Thanks. They actually are great circles, generated using arc.js. As they approach the poles the arcs look a little funny, but that is only because it is a cylindrical map…",{"value":73,"source":57,"evidence":74},"jQuery (removed)",[75],{"id":76,"by":10,"text":77},"11850778","Yes. It originally did allow you to hover over the countries to see more information. But combined with everything else it required too much memory and caused it to run slow on…","unknown","launched",{"praise":81,"objections":94,"requests":123,"questions":142,"alternatives":154},[82],{"value":83,"source":84,"evidence":85},"Beautiful, amazing visualization","commenter",[86,90],{"id":87,"by":88,"text":89},"11850065","r-w","This is an amazing chart! I wish you’d used great circles (https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGreat_circle) though.",{"id":91,"by":92,"text":93},"11857944","marymkearney","This is beautiful. Thanks for making it.",[95,105,112],{"value":96,"source":84,"evidence":97},"Data is skewed by changing country boundaries and nationality definitions",[98,102],{"id":99,"by":100,"text":101},"11850298","allendoerfer","The data is a bit skewed, because the biggest flow is in the 19th century, but it shows the borders of the Federal Republic of Germany (1949) not the German Confederation (1815),…",{"id":103,"by":100,"text":104},"11850633","Maybe I misunderstand what is said on page 16, but to me it seems like foreign nationals like Polish people are included in other countries data. So the data is bound to…",{"value":106,"source":84,"evidence":107},"Animation is hard to absorb; a line chart would be clearer",[108],{"id":109,"by":110,"text":111},"11849910","josho","I love new ways to express data. But, as I see animations like this I become a little anxious as I'd like to absorb the information, but if I look too closely in one area then I…",{"value":113,"source":84,"evidence":114},"Excludes forced immigration and illegal immigration",[115,119],{"id":116,"by":117,"text":118},"11850580","namenotrequired","This seems to exclude forced immigration from Africa, which was a large majority until halfway the 19th century. They are taken into account in the same site's visualisation of…",{"id":120,"by":121,"text":122},"11850596","PoorBloke123","Since this page states\" \"Most illegal immigration is not included\" I'd like to see one of these representing the flow of illegal immigrants (especially from and across Mexico)…",[124,131],{"value":125,"source":84,"evidence":126},"Show values as percentage of population",[127],{"id":128,"by":129,"text":130},"11850220","c3534l","I'd like to see this as a percentage of the world population since the increase over time makes it hard to see exactly what's happening.",{"value":132,"source":84,"evidence":133},"Add totals bar chart and hover tooltips",[134,138],{"id":135,"by":136,"text":137},"11850044","shimon","Awesome viz! Would like some perspective on the overall volume, too. Maybe add a bar chart above the timeline\u002Fslider showing total immigration in each year? Maybe even alongside…",{"id":139,"by":140,"text":141},"11849831","bhandziuk","This is a cool map and there's tons of information in it. It'd be nice to see more details, like the actual numbers instead of just a top 3 counties list. Or if I pause the…",[143,147],{"value":144,"source":84,"evidence":145},"Why are some countries brighter in some years",[146],{"id":139,"by":140,"text":141},{"value":148,"source":84,"evidence":149},"Why is Canada so prominent",[150],{"id":151,"by":152,"text":153},"11849923","mmanfrin","Surprised me how much came from Canada -- has that been a thing, or is Canada a proxy for other countries?",[155,162],{"value":156,"source":84,"evidence":157},"Panorama foreign-born map by Richmond",[158],{"id":159,"by":160,"text":161},"11851111","mxfh","Have you seen http:\u002F\u002Fdsl.richmond.edu\u002Fpanorama\u002Fforeignborn\u002F#decade=1850 ? I starts 30 years later but has data on county level.…",{"value":163,"source":84,"evidence":164},"Pew Research state-by-state migrant origin maps",[165],{"id":166,"by":167,"text":168},"11850852","notahacker","Coincidentally, I saw these state by state migrant origin maps for each decade in animated form on Twitter this morning (showing numbers resident rather than numbers flowing in)…",{"comments":33,"answered":45,"key":170},[171,174,177],{"id":172,"text":173},"11851640","It's a fair point. An interactive stacked area chart or a dot matrix would give you the freedom to focus in and to take away a lot more information about specific trends. My…",{"id":175,"text":176},"11850463","This post gives some more information: http:\u002F\u002Fmetrocosm.com\u002Fanimated-immigration-map\u002F There is a chart showing the major immigration flows as a percentage of U.S. 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