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JS Bind3 date chart// source http://jsbin.com/UDaXoTi
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="description" content="d3 date chart" /> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script> | |
<meta charset=utf-8 /> | |
<title>JS Bin d3 test</title> | |
<style id="jsbin-css"> | |
.axis path, | |
.axis line { | |
fill: none; | |
stroke: black; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
} | |
</style> | |
</head> | |
<body> | |
<button type="button" onclick="updateData()">add data</button> | |
<div id="test-graph"></div> | |
<script id="jsbin-javascript"> | |
var testData = [ | |
{ | |
date: "2013-07-09", | |
programs: 2 | |
}, | |
{ | |
date: "2013-07-10", | |
programs: 4 | |
}, | |
{ | |
date: "2013-07-11", | |
programs: 6 | |
}, | |
{ | |
date: "2013-07-12", | |
programs: 8 | |
} | |
]; | |
console.clear(); | |
function updateData(){ | |
//console.log(testData[3].programs); | |
testData[3].programs = 12; | |
d3.select("svg") | |
.remove(); | |
renderGraph(); | |
} | |
function renderGraph(){ | |
var margin = {top: 20, right: 16, bottom: 32, left: 64}, | |
width = 600, // width of svg | |
height = 400, // height of svg | |
chartWidth = width - margin.left - margin.right, | |
chartHeight = height - margin.top - margin.bottom, | |
parseDate = d3.time.format("%Y-%m-%d").parse; | |
var data = testData; | |
var x_domain = d3.extent(data, function(d) { return parseDate(d.date); }), | |
y_domain = [0, d3.max(data, function(d) { return d.programs; })]; | |
/* get | |
y_domain: Array[2] | |
0: 2 | |
1: 33 | |
x_domain: Array[2] | |
0: Sun Jan 01 2012 00:00:00 GMT+0000 (GMT) | |
1: Mon Jan 30 2012 00:00:00 GMT+0000 (GMT) | |
*/ | |
// display date format | |
var date_format = d3.time.format("%m-%d-%y"); | |
// create an svg container | |
var vis = d3.select("#test-graph") | |
.append("svg:svg") | |
.attr("width", width) | |
.attr("height", height); | |
// define the y scale (vertical) | |
var yScale = d3.scale.linear() | |
.domain(y_domain) | |
.range([chartHeight, 0]); | |
var xScale = d3.time.scale() | |
.domain(x_domain) | |
.range([0, chartWidth]); | |
// define the y axis | |
var yAxis = d3.svg.axis() | |
.orient("left") | |
.ticks(d3.range(y_domain[0], y_domain[1]).length) | |
.scale(yScale); | |
// define the x axis | |
var xAxis = d3.svg.axis() | |
.orient("bottom") | |
.scale(xScale) | |
.ticks(d3.time.days(x_domain[0], x_domain[1]).length) | |
.tickFormat(date_format); | |
vis.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate("+margin.left+"," + margin.top + ")") | |
.call(yAxis) | |
.selectAll('text') | |
.style('text-anchor','middle'); | |
vis.append("g") | |
.attr("class", "xaxis axis") | |
.attr("transform", "translate(" +margin.left+ "," + (margin.top + chartHeight) + ")") | |
.call(xAxis); | |
} | |
renderGraph(); | |
</script> | |
<script id="jsbin-source-css" type="text/css">.axis path, | |
.axis line { | |
fill: none; | |
stroke: black; | |
shape-rendering: crispEdges; | |
} | |
.axis text { | |
font-family: sans-serif; | |
font-size: 11px; | |
}</script> | |
<script id="jsbin-source-javascript" type="text/javascript">var testData = [ | |
{ | |
date: "2013-07-09", | |
programs: 2 | |
}, | |
{ | |
date: "2013-07-10", | |
programs: 4 | |
}, | |
{ | |
date: "2013-07-11", | |
programs: 6 | |
}, | |
{ | |
date: "2013-07-12", | |
programs: 8 | |
} | |
]; | |
console.clear(); | |
function updateData(){ | |
//console.log(testData[3].programs); | |
testData[3].programs = 12; | |
d3.select("svg") | |
.remove(); | |
renderGraph(); | |
} | |
function renderGraph(){ | |
var margin = {top: 20, right: 16, bottom: 32, left: 64}, | |
width = 600, // width of svg | |
height = 400, // height of svg | |
chartWidth = width - margin.left - margin.right, | |
chartHeight = height - margin.top - margin.bottom, | |
parseDate = d3.time.format("%Y-%m-%d").parse; | |
var data = testData; | |
var x_domain = d3.extent(data, function(d) { return parseDate(d.date); }), | |
y_domain = [0, d3.max(data, function(d) { return d.programs; })]; | |
/* get | |
y_domain: Array[2] | |
0: 2 | |
1: 33 | |
x_domain: Array[2] | |
0: Sun Jan 01 2012 00:00:00 GMT+0000 (GMT) | |
1: Mon Jan 30 2012 00:00:00 GMT+0000 (GMT) | |
*/ | |
// display date format | |
var date_format = d3.time.format("%m-%d-%y"); | |
// create an svg container | |
var vis = d3.select("#test-graph") | |
.append("svg:svg") | |
.attr("width", width) | |
.attr("height", height); | |
// define the y scale (vertical) | |
var yScale = d3.scale.linear() | |
.domain(y_domain) | |
.range([chartHeight, 0]); | |
var xScale = d3.time.scale() | |
.domain(x_domain) | |
.range([0, chartWidth]); | |
// define the y axis | |
var yAxis = d3.svg.axis() | |
.orient("left") | |
.ticks(d3.range(y_domain[0], y_domain[1]).length) | |
.scale(yScale); | |
// define the x axis | |
var xAxis = d3.svg.axis() | |
.orient("bottom") | |
.scale(xScale) | |
.ticks(d3.time.days(x_domain[0], x_domain[1]).length) | |
.tickFormat(date_format); | |
vis.append("g") | |
.attr("class", "axis") | |
.attr("transform", "translate("+margin.left+"," + margin.top + ")") | |
.call(yAxis) | |
.selectAll('text') | |
.style('text-anchor','middle'); | |
vis.append("g") | |
.attr("class", "xaxis axis") | |
.attr("transform", "translate(" +margin.left+ "," + (margin.top + chartHeight) + ")") | |
.call(xAxis); | |
} | |
renderGraph();</script></body> | |
</html> |
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