scatterbar

代码说明：

  scatterbar就是画出三维散点柱状图，并且可以调整柱子的大小和颜色渐变，比原函数bar3更方便，更好用。(scatterbar is to draw three-dimensional scatter histogram, and can adjust the size and color gradients pillars, and more convenient than the original function bar3, easier to use.)