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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<body bgcolor="#000000""> | |
<script src="http://d3js.org/d3.v3.min.js"></script> | |
<div id="chart"></div> | |
<script type="text/javascript"> | |
//https://gist.github.com/NelsonMinar/3589712 | |
var insulin = Math.max(0,Math.min(20,Math.random()*14-2)), | |
carbs = Math.max(0,Math.min(100,Math.random()*70-10)), | |
CR = Math.random()+5.5, | |
Scale = 3; | |
var R1 = Math.sqrt(Math.min(carbs,insulin*CR))/Scale, | |
R2 = Math.sqrt(Math.max(carbs,insulin*CR))/Scale, | |
R3 =R2 + 8/Scale; | |
var arc_data = [ | |
{'element': '', 'color': '#9c4333', 'start': -1.5708, 'end': 1.5708, 'inner': 0, 'outer': R1}, | |
{'element': '', 'color': '#d4897b', 'start': -1.5708, 'end': 1.5708, 'inner': R1, 'outer': R2}, | |
{'element': '', 'color': '#000000', 'start': -1.5708, 'end': 1.5708, 'inner': R2, 'outer': R3}, | |
{'element': '', 'color': '#3d53b7', 'start': 1.5708, 'end': 4.7124, 'inner': 0, 'outer': R1}, | |
{'element': '', 'color': '#5d72c9', 'start': 1.5708, 'end': 4.7124, 'inner': R1, 'outer': R2}, | |
{'element': '', 'color': '#000000', 'start': 1.5708, 'end': 4.7124, 'inner': R2, 'outer': R3}, | |
]; | |
var width = 200/Scale, | |
height = 200/Scale; | |
if (carbs < insulin * CR) arc_data[1].color = "#000000";//"#FFFFFF"; | |
if (carbs > insulin * CR) arc_data[4].color = "#000000";//"#FFFFFF"; | |
if (carbs > 0) arc_data[2].element = Math.round(carbs) + " g"; | |
if (insulin > 0) arc_data[5].element = Math.round(insulin*10)/10 + " U"; | |
var pie = d3.layout.pie().sort(null); | |
var arc = d3.svg.arc() | |
.innerRadius(function(d){return 5*d.inner;}) | |
.outerRadius(function(d){return 5*d.outer;}) | |
.endAngle(function(d){return d.start;}) | |
.startAngle(function(d){return d.end;}); | |
var svg = d3.select("body").append("svg") | |
.attr("width", width) | |
.attr("height", height) | |
.selectAll("g") | |
.data(arc_data) | |
.enter() | |
.append("g") | |
.attr("transform", "translate(" + 100/Scale + ", " + 100/Scale +")"); | |
var arcs = svg.append("path") | |
.attr("fill", function(d,i) {return d.color;}) | |
.attr("id", function(d,i){return "s"+i;}) | |
.attr("d",arc); | |
var label = svg.append("g") | |
.attr("id","label") | |
.style("fill","white"); | |
label.append("text") | |
.style("font-size",30/Scale) | |
.style("font-family", "Arial") | |
.attr("text-anchor", "middle") | |
.attr("dy", ".35em") | |
.attr("transform", function(d) { | |
d.outerRadius = d.outerRadius * 2.1; // Set Outer Coordinate | |
d.innerRadius = d.outerRadius * 2.1; // Set Inner Coordinate | |
return "translate(" + arc.centroid(d) + ")"; | |
}) | |
.text(function(d){return d.element;}) | |
</script> |
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