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Chart Slider
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font-family: sans-serif; | |
| } | |
| .slider rect { | |
| fill: gray; | |
| shape-rendering: crispEdges; | |
| } | |
| .slider line { | |
| fill: none; | |
| stroke: red; | |
| opacity: 0.3; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| <h3 id="header"></h3> | |
| <div id="chart"></div> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script type="text/javascript"> | |
| function translate(x, y) { | |
| return 'translate(' + x + ',' + y + ')'; | |
| } | |
| var margin = { top: 20, right: 20, bottom: 20, left: 20}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom, | |
| svg = d3.select("#chart").append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append('g') | |
| .attr('transform', translate(margin.left, margin.top)); | |
| var minDate = new Date(2013, 9, 1, 7), | |
| scale = d3.scaleTime() | |
| .domain([minDate, d3.timeHour.offset(minDate, 5)]) | |
| .range([0, width]) | |
| .clamp(true), | |
| format = d3.timeFormat('%a %b %d %-I:%M %p'); | |
| // axis | |
| svg.append('g') | |
| .attr('class', 'axis') | |
| .call(d3.axisBottom(scale).ticks(d3.timeMinute.every(15))); | |
| var slider = svg.append('g') | |
| .attr("class", "slider") | |
| .call(d3.drag().on('drag', dragged)); | |
| var rectWidth = 8; | |
| var rect = slider.append("rect") | |
| .attr("x", -rectWidth / 2) | |
| .attr("y", -20) | |
| .attr("width", rectWidth) | |
| .attr("height", 20); | |
| var line = slider.append("line") | |
| .attr('y2', height) | |
| .attr('x2', 0) | |
| .attr('stroke-dasharray', '1,1'); | |
| function updateHeader(date) { | |
| d3.select('#header').text(format(date)); | |
| } | |
| function dragged(d) { | |
| var x = Math.min(Math.max(d3.event.x, 0), width); | |
| value = scale.invert(x); | |
| d3.select('.slider').attr('transform', translate(x, 0)); | |
| updateHeader(value); | |
| } | |
| updateHeader(minDate); | |
| </script> | |
| </body> |
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