An example of how to connect a JSON-stat response with Google Visualization API using the toTable() method.
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November 21, 2019 05:08
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OECD Unemployment Choropleth
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://cdn.jsdelivr.net/npm/jsonstat@0.13.13" type="text/javascript"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script> | |
| <script type='text/javascript' src='https://www.google.com/jsapi'></script> | |
| <style type="text/css"> | |
| body { | |
| font-family: verdana; | |
| font-size: 80%; | |
| } | |
| strong { | |
| color: green; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="sel"></div> | |
| <div id="dataviz"></div> | |
| <script type="text/javascript"> | |
| google.load('visualization', '1', {packages:['geochart']}); | |
| google.setOnLoadCallback(init); | |
| function init(){ | |
| JSONstat("https://json-stat.org/samples/oecd.json", function(){ | |
| if (this.length>0){ | |
| var | |
| deftime="2012", | |
| ds=this.Dataset("oecd"), //select the OECD dataset | |
| time=ds.Dimension({role: "time"})[0], //get the time dimension information | |
| tbl=ds.toTable({type:"object"}), //convert to object table | |
| data=new google.visualization.DataTable(tbl,0.6), | |
| map=function(data,defvalue){ | |
| var mapview=new google.visualization.DataView(data); | |
| mapview.setRows(mapview.getFilteredRows([{column: 2, value: defvalue}])); | |
| mapview.setColumns([1,3]); | |
| new google.visualization.GeoChart(document.getElementById("dataviz")).draw(mapview); | |
| }, | |
| selec=function(dim, selected){ | |
| var o=''; | |
| for(var i=0, len=dim.length; i<len; i++){ | |
| var | |
| l=dim.Category(dim.id[i]).label, | |
| s=(selected!=l) ? "" : 'selected="selected"' | |
| ; | |
| o+="<option "+s+">"+l+"</option>"; | |
| } | |
| return '<strong>Year</strong> <select id="time">'+o+"</select>"; | |
| } | |
| ; | |
| $("#sel").html(selec(time, deftime)); | |
| map(data,deftime); | |
| $("#time").change(function() { | |
| map(data,$(this).val()); | |
| }); | |
| }else{ | |
| $("#dataviz").html("No valid JSON-stat!"); | |
| } | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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