The data from the Federal Statistical Office of Switzerland are available in the JSON-stat format. In the example, Police crime statistics are visualized in a bar chart using ChartJS.
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March 19, 2021 20:19
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Crimes in Switzerland
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <script src="https://cdn.jsdelivr.net/npm/jsonstat@0.13.13"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <div class="chart-container" style="position: relative; height:90vh; width:90vw"> | |
| <canvas id="chart"></canvas> | |
| </div> | |
| <script> | |
| var | |
| url="https://www.pxweb.bfs.admin.ch/api/v1/en/px-x-1903020100_101/px-x-1903020100_101.px", | |
| query='{ "query": [ { "code": "Kanton", "selection": { "filter": "item", "values": [ "8100" ] } }, { "code": "Ausführungsgrad", "selection": { "filter": "item", "values": [ "1", "2" ] } } ], "response": {"format": "json-stat2"}}', | |
| ctx=document.getElementById("chart").getContext("2d") | |
| ; | |
| $.ajax({ | |
| type: "POST", | |
| url: url, | |
| data: query, | |
| success: function( json ) { | |
| var | |
| ds=JSONstat(json).Dataset(0), | |
| time=ds.Dimension({role: "time"}, false)[0], | |
| completion=ds.Dimension("Ausführungsgrad"), | |
| completedId="1", | |
| attemptedId="2", | |
| myChart=new Chart(ctx, { | |
| type: "bar", | |
| data: { | |
| labels: time, | |
| datasets: [{ | |
| label: completion.Category(completedId).label, | |
| data: ds.Data({"Ausführungsgrad": completedId}, false), | |
| backgroundColor: "rgb(139, 0, 0)" | |
| }, | |
| { | |
| label: completion.Category(attemptedId).label, | |
| data: ds.Data({"Ausführungsgrad": attemptedId}, false), | |
| backgroundColor: "rgb(90, 0, 0)" | |
| } | |
| ] | |
| }, | |
| options: { | |
| title: { | |
| display: true, | |
| fontSize: 20, | |
| text: "Criminal offences registered by the police in Switzerland" | |
| }, | |
| legend: { | |
| display: false, | |
| }, | |
| tooltips: { | |
| mode: "index", | |
| intersect: false | |
| }, | |
| scales: { | |
| xAxes: [{ | |
| stacked: true, | |
| }], | |
| yAxes: [{ | |
| stacked: true | |
| }] | |
| } | |
| } | |
| }) | |
| ; | |
| }, | |
| error: function() { | |
| $("body").html("There was an error while connecting to the data provider. Please, try later."); | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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