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Update doughnut documentation for intiializer and data.

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wcatron 2015-11-19 11:47:47 -05:00
parent 942cf5e718
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docs/06-Pie-Doughnut-Chart.md
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@ -24,35 +24,45 @@ They are also registered under two aliases in the `Chart` core. Other than their
```javascript
// For a pie chart
var myPieChart = new Chart(ctx[0]).Pie(data,options);
var myPieChart = new Chart(ctx[0],{
type:'pie',
data: data,
options: options
});
// And for a doughnut chart
var myDoughnutChart = new Chart(ctx[1]).Doughnut(data,options);
var myDoughnutChart = new Chart(ctx[1], {
type:'doughnut',
data: data,
options: options
});
```
### Data structure
```javascript
var data = [
{
value: 300,
color:"#F7464A",
highlight: "#FF5A5E",
label: "Red"
},
{
value: 50,
color: "#46BFBD",
highlight: "#5AD3D1",
label: "Green"
},
{
value: 100,
color: "#FDB45C",
highlight: "#FFC870",
label: "Yellow"
}
]
var data = {
datasets: [
{
data: [300, 50, 100],
backgroundColors: [
"#F7464A",
"#46BFBD",
"#FDB45C"
],
hoverBackgroundColor:[
"#FF5A5E",
"#5AD3D1",
"#FFC870"
]
},
labels: [
"Red",
"Green",
"Yellow"
]
]
}
```
For a pie chart, you must pass in an array of objects with a value and an optional color property. The value attribute should be a number, Chart.js will total all of the numbers and calculate the relative proportion of each. The color attribute should be a string. Similar to CSS, for this string you can use HEX notation, RGB, RGBA or HSL.