This is the code for Chapter 8, Figure 6 from D3.js in Action showing how to draw with HTML5 canvas.
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March 17, 2016 16:19
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Ch. 8, Fig. 6 - D3.js in Action
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<html> | |
<head> | |
<title>D3 in Action Chapter 8 - Example 5</title> | |
<meta charset="utf-8" /> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
</head> | |
<style> | |
tr { | |
border: 1px gray solid; | |
} | |
td { | |
border: 2px black solid; | |
} | |
div.table { | |
position:relative; | |
} | |
div.data { | |
position: absolute; | |
width: 90px; | |
padding: 0 5px; | |
} | |
div.head { | |
position: absolute; | |
} | |
div.datarow { | |
position: absolute; | |
width: 100%; | |
border-top: 2px black solid; | |
background: white; | |
height: 35px; | |
overflow: hidden; | |
} | |
div.gallery { | |
position: relative; | |
} | |
img.infinite { | |
position: absolute; | |
background: rgba(255,255,255,0); | |
border-width: 1px; | |
border-style: solid; | |
border-color: rgba(0,0,0,0); | |
} | |
</style> | |
<body> | |
<div id="traditional"> | |
</div> | |
</body> | |
<footer> | |
<script> | |
d3.select("#traditional") | |
.append("canvas") | |
.attr("height", 500) | |
.attr("width", 500); | |
var context = d3.select("canvas").node().getContext("2d"); | |
context.strokeStyle = "black"; | |
context.lineWidth = 2; | |
context.fillStyle = "red"; | |
context.beginPath(); | |
context.arc(250,250,200,0,2*Math.PI); | |
context.fill(); | |
context.stroke(); | |
context.textAlign = "center"; | |
context.font="200px Georgia"; | |
context.fillStyle = "black"; | |
context.textAligh = "center"; | |
context.fillText("1",250,250); | |
</script> | |
</footer> | |
</html> |
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