Labella.js时间轴标签放置工具
Labella.js 是 Twitter 开源的时间轴标签放置工具，可以把标签没有重叠的放在时间轴上。
“标签也可以很美丽”
在线演示：http://twitter.github.io/labella.js/
示例代码：
// idealPos: The most preferred position for each label
// width: The width of each label
var nodes = [
new labella.Node(1, 50), // idealPos, width
new labella.Node(2, 50),
new labella.Node(3, 50),
new labella.Node(3, 50),
new labella.Node(3, 50),
];
var force = new labella.Force()
.nodes(nodes)
// Listen when the nodes' positions are updated.
.on('end', function(){
// The rendering is independent from this library.
// User can use canvas, svg or any library to draw the labels.
// There is also a built-in helper labella.Renderer for this purpose. See the examples
draw(force.nodes());
})
// Run simulation at most 100 rounds. It may end earlier if equillibrium is reached.
.start(100);
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