Last active
August 29, 2015 14:18
-
-
Save ryosuzuki/10d7ab2ac009eccac6de to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| svg { | |
| font: 10px sans-serif; | |
| } | |
| .line { | |
| fill: none; | |
| stroke: #000; | |
| stroke-width: 1.5px; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var n = 40, | |
| random = d3.random.normal(0, .2), | |
| data = d3.range(n).map(random); | |
| var margin = {top: 20, right: 20, bottom: 20, left: 40}, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var x = d3.scale.linear() | |
| .domain([0, data.length - 1]) | |
| .range([0, width]); | |
| var y = d3.scale.linear() | |
| .domain([-1, 1]) | |
| .range([height, 0]); | |
| var line = d3.svg.line() | |
| .x(function(d, i) { return x(i); }) | |
| .y(function(d, i) { return y(d); }); | |
| var svg = d3.select("body").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 + ")"); | |
| svg.append("defs").append("clipPath") | |
| .attr("id", "clip") | |
| .append("rect") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + y(0) + ")") | |
| .call(d3.svg.axis().scale(x).orient("bottom")); | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(d3.svg.axis().scale(y).orient("left")); | |
| var path = svg.append("g") | |
| .attr("clip-path", "url(#clip)") | |
| .append("path") | |
| .datum(data) | |
| .attr("class", "line") | |
| .attr("d", line); | |
| tick(); | |
| function tick() { | |
| // push a new data point onto the back | |
| data.push(random()); | |
| // redraw the line, and slide it to the left | |
| path | |
| .attr("d", line) | |
| .attr("transform", null) | |
| .transition() | |
| .duration(500) | |
| .ease("linear") | |
| // .attr("transform", "translate(" + x(-1) + ",0)") | |
| .each("end", tick); | |
| x = d3.scale.linear() | |
| .domain([0, data.length - 1]) | |
| .range([0, width]); | |
| // pop the old data point off the front | |
| // data.shift(); | |
| } | |
| </script> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment