Protovis是一个可以让你利用简单的标记如线条和圆点+数据来绘制自定义图表JavaScript Lib。
<IMG border=0 alt=barley-sm.png src="https://simg.open-open.com/show/f5cd5f77c183586ac616502f88db9dac.png" alignment=""><IMG border=0 alt=bubble-sm.png src="https://simg.open-open.com/show/5d00a253e2fba40fa586b669fc3d00f4.png" alignment=""><IMG border=0 alt=caltrain-sm.png src="https://simg.open-open.com/show/fca80a1aaa953f89e92207d46f3b0e68.png" alignment=""><IMG border=0 alt=candlestick-sm.png src="https://simg.open-open.com/show/137819c351aaa74884fd75d32b0fa8c5.png" alignment="">
