chartnew.js
Version:
Simple HTML5 Charts using the canvas element
99 lines (72 loc) • 2.24 kB
HTML
<!--[if lte IE 8]><SCRIPT src='source/excanvas.js'></script><![endif]--><SCRIPT src='../ChartNew.js'></script>
<SCRIPT>
var charJSPersonalDefaultOptions = { decimalSeparator : "," , thousandSeparator : ".", roundNumber : "none" };
defCanvasWidth=1200;
defCanvasHeight=600;
var mydata1 = {
labels : ["Jan","Feb","Mar","Apr","Mai","Jun","Jul","Aug","Sep"],
datasets : [
{
strokeColor : "black",
data : [10,20,-5,-40,-30,50,60,70,-30],
origin : [-10,10,15,10,-30,20,80,80,10],
linkType: 1,
title : "data1"
}
]
}
var mydata2 = {
labels : ["0","100","200","300","400","500","600","700","800"],
xBegin : 0,
xEnd : 800,
datasets : [
{
strokeColor : "rgba(0,220,220,1)",
data : [],
xPos : [],
origin : [],
linkType : 1,
title : "data1"
}
]
}
var nbiter=50;
for(var i=0;i<nbiter+1;i++)
{
mydata2.datasets[0].xPos[i]=mydata2.xBegin+i*(mydata2.xEnd-mydata2.xBegin)/nbiter;
mydata2.datasets[0].data[i]=200*Math.random();
mydata2.datasets[0].origin[i]=-200*Math.random();
}
var myoptions = {
canvasBorders : true,
canvasBordersWidth : 3,
canvasBordersColor : "black",
graphTitle : "linkType =1 with 'origin'",
// change some options to obtain a better result;
pointDot : false,
legend : true,
annotateDisplay : true,
inGraphDataShow: false,
yAxisMinimumInterval : 1,
graphMin : -200
}
</SCRIPT>
<html>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<head>
<title>Demo ChartNew.js</title>
</head>
<body>
<center>
<FONT SIZE=6><B>Demo of ChartNew.js !</B></FONT> <BR>
<script>
document.write("<canvas id=\"canvas1\" height=\""+defCanvasHeight+"\" width=\""+defCanvasWidth+"\"></canvas>");
document.write("<canvas id=\"canvas2\" height=\""+defCanvasHeight+"\" width=\""+defCanvasWidth+"\"></canvas>");
window.onload = function() {
var myLine0 = new Chart(document.getElementById("canvas1").getContext("2d")).Line(mydata1,myoptions);
var myLine1 = new Chart(document.getElementById("canvas2").getContext("2d")).Line(mydata2,myoptions);
}
</script>
</body>
</html>