说明：  包括绘制不同函数曲线的用户界面，可设置函数曲线光源的用户界面添加效果实可设置函数曲线图视角的用户界面的子程序
(Including the preparation of the different curves of the user interface, can set light curves to add the effect of the user interface could be set up function curve of the user interface perspective Subroutine)