{"id":323,"date":"2014-10-29T10:56:28","date_gmt":"2014-10-29T10:56:28","guid":{"rendered":"http:\/\/itp.fromjia.com\/?p=323"},"modified":"2014-10-29T11:02:51","modified_gmt":"2014-10-29T11:02:51","slug":"wifi-data-visualization","status":"publish","type":"post","link":"http:\/\/itp.fromjia.com\/?p=323","title":{"rendered":"WiFi Data Visualization"},"content":{"rendered":"<p>As a practice data visualization for our <a href=\"http:\/\/itp.fromjia.com\/?p=308\">tagging game project, Data Leak<\/a>, Ashley and I used wifi data that we gathered yesterday from Washington Square Park. We were able to pick up WiFi router information stored on some people&#8217;s\u00a0devices using <a href=\"https:\/\/github.com\/antiboredom\/nsheyy_gui\/releases\">N.S.Heyy<\/a>, a WiFi sniffer. The visualization shows\u00a0roughly a 24hr period (N.S.Heyy was\u00a0switched on and off).\u00a0Those with\u00a0a specific WiFi name are colored red, and the rest are colored gray. The distance to the center (our location) is measured by the strength of the signals. And the size of each circle is based on the number of probes.<\/p>\n<p>Sample data and code is <a href=\"https:\/\/www.dropbox.com\/s\/eao5l1roconmyfx\/wifi_data5.zip?dl=0\">here<\/a>.<\/p>\n<p>Final iteration:<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/player.vimeo.com\/video\/110346437\" width=\"500\" height=\"313\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/vimeo.com\/110346437\">data vis4<\/a> from <a href=\"http:\/\/vimeo.com\/user3471662\">Jiashan Wu<\/a> on <a href=\"https:\/\/vimeo.com\">Vimeo<\/a>.<\/p>\n<p>Without time scroller:<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/player.vimeo.com\/video\/110346439\" width=\"500\" height=\"272\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/vimeo.com\/110346439\">data vis3<\/a> from <a href=\"http:\/\/vimeo.com\/user3471662\">Jiashan Wu<\/a> on <a href=\"https:\/\/vimeo.com\">Vimeo<\/a>.<\/p>\n<p>We started out visualizing each device based on its signal strength. This changed the distance between the device and our location.<\/p>\n<p><iframe loading=\"lazy\" src=\"\/\/player.vimeo.com\/video\/110346438\" width=\"500\" height=\"272\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><a href=\"http:\/\/vimeo.com\/110346438\">data vis2<\/a> from <a href=\"http:\/\/vimeo.com\/user3471662\">Jiashan Wu<\/a> on <a href=\"https:\/\/vimeo.com\">Vimeo<\/a>.<\/p>\n<div id=\"attachment_324\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-324\" class=\"wp-image-324 size-medium\" src=\"http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM-300x192.png\" alt=\"N.S.Heyy sniffs out WiFi probing signals from devices. Screenshot of the interface. \" width=\"300\" height=\"192\" srcset=\"http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM-300x192.png 300w, http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM-1024x655.png 1024w, http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM-1200x768.png 1200w, http:\/\/itp.fromjia.com\/wp-content\/uploads\/2014\/10\/Screen-Shot-2014-10-29-at-6.32.16-AM.png 1606w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-324\" class=\"wp-caption-text\">N.S.Heyy sniffs out WiFi probing signals from devices. Screenshot of the interface.<\/p><\/div>\n<p>Questions\/issues:<\/p>\n<ul>\n<li>Many devices broadcasted multiple router names. I wanted to list them all, but couldn&#8217;t figure out how to store the multiple names in connection to one device address.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>As a practice data visualization for our tagging game project, Data Leak, Ashley and I used wifi data that we gathered yesterday from Washington Square Park. We were able to pick up WiFi router information stored on some people&#8217;s\u00a0devices using N.S.Heyy, a WiFi sniffer. The visualization shows\u00a0roughly a 24hr period (N.S.Heyy was\u00a0switched on and off).\u00a0Those [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-323","post","type-post","status-publish","format-standard","hentry","category-intro-to-computational-media"],"_links":{"self":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=323"}],"version-history":[{"count":5,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions"}],"predecessor-version":[{"id":329,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions\/329"}],"wp:attachment":[{"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/itp.fromjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}