A set of 100 points are given a new uniform random distribution every 5 seconds.
Last active
August 29, 2015 14:08
-
-
Save tpogden/25e565c0a3305644d983 to your computer and use it in GitHub Desktop.
Random Scatter
This file contains 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"> | |
| <html> | |
| <head> | |
| <title>Scatter</title> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <style> | |
| body { | |
| font-family: "Helvetica", sans-serif; | |
| font-size: 10px; | |
| } | |
| .axis { | |
| font: 10px sans-serif; | |
| } | |
| .axis path, | |
| .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| circle { | |
| fill: rgba(189,54,19,1); | |
| stroke: white; | |
| } | |
| </style> | |
| <body> | |
| <script> | |
| (function() { | |
| var num_points = 100; | |
| delay = 5000; | |
| var margin = {top: 20, right: 20, bottom: 40, left: 40}, | |
| width = 944 - margin.left - margin.right, | |
| height = 480 - margin.top - margin.bottom; | |
| var x = d3.scale.linear() | |
| .range([0, width]) | |
| .domain([0, 1]); | |
| var y = d3.scale.linear() | |
| .range([height, 0]) | |
| .domain([0, 1]); | |
| var xAxis = d3.svg.axis() | |
| .scale(x) | |
| .orient("bottom"); | |
| var yAxis = d3.svg.axis() | |
| .scale(y) | |
| .orient("left"); | |
| // Draw SVG | |
| 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 + ")"); | |
| // X axis | |
| svg.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(xAxis); | |
| // Y axis | |
| svg.append("g") | |
| .attr("class", "y axis") | |
| .call(yAxis); | |
| var data_xy = d3.range(num_points) | |
| .map(function() { return [Math.random(), Math.random()]; }); | |
| var circles = svg.selectAll(".circle") | |
| .data(data_xy) | |
| .enter().append("svg:circle") | |
| .attr("cx", function (d) { return x(d[0]); } ) | |
| .attr("cy", function (d) { return y(d[1]); } ) | |
| .attr("r", 8); | |
| setInterval(function() { | |
| var data_xy = d3.range(num_points) | |
| .map(function() { return [Math.random(), Math.random()]; }); | |
| circles.data(data_xy) | |
| .transition() | |
| .duration(500) | |
| .attr("cx", function (d) { return x(d[0]); } ) | |
| .attr("cy", function (d) { return y(d[1]); } ) | |
| }, delay); | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment