👍:0 Take a look at https://stackoverflow.com/a/31215847/360067. The only difference is that in your canvas.onclick, you use your activeSector[0] (say the label property) to force a file download. How do you create an extension to Chart.js? Angular-chart.js – define set Y axis width
👍:0 Different Colors for Toooltip Based on Value Preview Script new Chart(ctx).Line(data, { // take over the tooltip binding tooltipEvents: [], onAnimationComplete: function () { // copy of chart.js binding except that … Chart.helpers.bindEvents(this, [“mousemove”, “touchstart”, “touchmove”], function (evt) { var activePoints = (evt.type !== ‘mouseout’) ? this.getPointsAtEvent(evt) : []; this.eachPoints(function (point) { point.restore([‘fillColor’, ‘strokeColor’]); … Read more
0👍 ✅ If you want your controller to be hit you need to make an ajax request. This ajax call should be done on the action which you want the controller to be called. Button click or so on. Start using console.logs to debug your javascript. If you want this code to be execute on … Read more
0👍 ✅ You can have a separate series for each sector Preview Script var data = { labels: [“”, “”, “”, “”, “”, “”, “”], datasets: [ { fillColor: “rgba(187,151,205,0.2)”, strokeColor: “rgba(187,151,205,1)”, pointColor: “rgba(187,151,205,1)”, pointStrokeColor: “#fff”, pointHighlightFill: “#fff”, pointHighlightStroke: “rgba(187,151,205,1)”, data: [65, 65, 0, 0, 0] }, { fillColor: “rgba(151,187,205,0.2)”, strokeColor: “rgba(151,187,205,1)”, pointColor: “rgba(151,187,205,1)”, pointStrokeColor: … Read more
0👍 ✅ You can use the custom tooltips option. The below code is adapted from the example at https://github.com/nnnick/Chart.js/blob/master/samples/line-customTooltips.html Preview CSS #canvas-holder { width: 500px; height: 300px; } #chartjs-tooltip { opacity: 0; position: absolute; background: rgba(0, 0, 0, .7); font-size: 12px; color: white; padding: 5px; border-radius: 3px; -webkit-transition: all .1s ease; transition: all .1s ease; … Read more
👍:0 You can use the scaleOverride and scaleLabel options, like so new Chart(ctx).Line(lineChartData, { scaleOverride: true, scaleSteps: 2, scaleStepWidth: 1, scaleStartValue: 0, scaleLabel: function(d) { switch(d.value) { case “0”: return ‘zero’; case “1”: return ‘one’; case “2”: return ‘two’; } }, }); Fiddle – http://jsfiddle.net/zh4c58p6/ How do i programmatically set bar fillColor in chartJs + … Read more
0👍 ✅ Use the option scaleLabel: “<%=value%> (s)”, if you want to change the display on the scale. Or, if you want to change the display in the tooltip, set tooltipTemplate or multiTooltipTemplate depending on whether you have a single or multiple series. tooltipTemplate: “<%if (label){%><%=label%>: <%}%><%= value %> (s)”, or multiTooltipTemplate: “<%= value %> … Read more
👍:0 You say: Web2Py likes to return the results to an HTML element But that’s just what the built-in ajax function does. You can get always data from your controller with jQuery (bundled with web2py): function getData() { $.ajax({ url: “your_controller/get_data.json?”, data: { input1: “hello”, input2: “bye”}, success: function(result){ //do what you want with result… … Read more
👍:0 I fixed it do display the way I want to. The function makeLabels() gets the length of the movie and adds a blank “” label for every label that is not a multiple of 10. I removed the grid lines with scaleShowGridLines: false in the ChartJsProvider.setOptions method. var makeLabels = function(){ var segments = … Read more
👍:0 From you question I assume you are using a canvas element. If so, canvas doesn’t store objects, but a rendered (rasterized) image. However, you can access canvas-data if you manipulate chart.js helpers function like so: <!DOCTYPE html> <html lang=””> <head> <meta charset=”UTF-8″> <link rel=”icon” href=”favicon.ico” typ=”image/x-icon”> <title>Untitled Document</title> <meta name=”Author” content=”” /> <link rel=”stylesheet” … Read more