Built with blockbuilder.org
Created
May 19, 2017 11:48
-
-
Save srajabhoj/8c98ba4af72538b609641478ac3d1aef to your computer and use it in GitHub Desktop.
fresh block
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
license: mit |
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"> | |
<style> | |
.line { | |
fill: none; | |
stroke: #000; | |
stroke-width: 1.5px; | |
} | |
</style> | |
<svg width="960" height="500"></svg> | |
<script src="//d3js.org/d3.v4.min.js"></script> | |
<script> | |
var n = 40, | |
random = d3.randomNormal(0, .2), | |
data = d3.range(n).map(random); | |
var svg = d3.select("svg"), | |
margin = {top: 20, right: 20, bottom: 20, left: 40}, | |
width = +svg.attr("width") - margin.left - margin.right, | |
height = +svg.attr("height") - margin.top - margin.bottom, | |
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
var x = d3.scaleLinear() | |
.domain([0, n - 1]) | |
.range([0, width]); | |
var y = d3.scaleLinear() | |
.domain([-1, 1]) | |
.range([height, 0]); | |
var line = d3.line() | |
.x(function(d, i) { return x(i); }) | |
.y(function(d, i) { return y(d); }); | |
g.append("defs").append("clipPath") | |
.attr("id", "clip") | |
.append("rect") | |
.attr("width", width) | |
.attr("height", height); | |
g.append("g") | |
.attr("class", "axis axis--x") | |
.attr("transform", "translate(0," + y(0) + ")") | |
.call(d3.axisBottom(x)); | |
g.append("g") | |
.attr("class", "axis axis--y") | |
.call(d3.axisLeft(y)); | |
g.append("g") | |
.attr("clip-path", "url(#clip)") | |
.append("path") | |
.datum(data) | |
.attr("class", "line") | |
.transition() | |
.duration(500) | |
.ease(d3.easeLinear) | |
.on("start", tick); | |
function tick() { | |
// Push a new data point onto the back. | |
data.push(random()); | |
// Redraw the line. | |
d3.select(this) | |
.attr("d", line) | |
.attr("transform", null); | |
// Slide it to the left. | |
d3.active(this) | |
.attr("transform", "translate(" + x(-1) + ",0)") | |
.transition() | |
.on("start", tick); | |
// 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