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var CO2_yearly = []; var CO2_monthly = []; function makeDate (month, year) { var decimal = month/12; var fractional_year = year + decimal; var month_string = month.toString(); //stringify the month switch (month_string) { case "1": var month_name = "January"; break; case "2": var month_name = "February"; break; case "3": var month_name = "March"; break; case "4": var month_name = "April"; break; case "5": var month_name = "May"; break; case "6": var month_name = "June"; break; case "7": var month_name = "July"; break; case "8": var month_name = "August"; break; case "9": var month_name = "September"; break; case "10": var month_name = "October"; break; case "11": var month_name = "November"; break; case "12": var month_name = "December"; break; } return [fractional_year, month_name]; } for (i = 0; i < yly_data.length; i++) { var year = yly_data[i].year; var CO2 = yly_data[i].mean; //yearly data is less than monthly data; check for nulls if (!!year){ CO2_yearly.push({ x : year, y : CO2}); } } for (i = 0; i < mly_data.length; i++) { var year_for_month = mly_data[i].year; var month = mly_data[i].month; var CO2_month = mly_data[i].interpolated; var date_vars = makeDate(month, year_for_month); var final_year = date_vars[0]; var month_name = date_vars[1]; CO2_monthly.push({ x : final_year, y : CO2_month, z: month_name, year: year_for_month}); } $('#highchartIntro').html( '' ); $('#highchartHeader').html( "Global carbon dioxide is rising" ); var chart; $(document).ready(function() { chart = new Highcharts.Chart({ chart: { renderTo: 'highchartContainer', // renderTo: divID, zoomType: document.ontouchstart === undefined ? 'x' : null, // spacingBottom:25 }, //----------------------------------------------------------------------------------- title: { text: null, }, subtitle: { // text: "Keeling Curve", }, xAxis: { labels: { style: { } }, title: { text: null, style: { } } // type: 'datetime', // minRange: 10 }, yAxis: { //Primary -- used for temps maxPadding: 0, max: 410, endOnTick: false, labels: { // format: '{value} ppm', style: { } }, title: { useHTML: true, text: 'CO2 concentration (ppm)', style: {color: 'white'} }, }, legend: { // enabled: false }, credits:{ enabled:false }, tooltip: { followTouchMove: false }, plotOptions: { series:{ point: { events: { mouseOver: function () { ga('send', 'event', 'climate_chart_indicator', 'mouseover', "co2 level - " + this.series.name + " x:" + this.x + ", y:" + this.y); } } } } }, series: [ { name: 'Monthly Values', type: 'line', // type: 'scatter', // color: 'rgba(255, 255, 255, 0.97)', // color: '#D44B35', color: '#ED322E', // yAxis: 1, lineWidth: 2, // dashStyle: 'shortDash', marker: { radius: 0 }, animation: { duration: 5000, }, data: CO2_monthly, tooltip: { // shared: true, useHTML: true, headerFormat: ' ', // headerFormat: '{point.key:.0f}