plot3d格式的查看器，用于导入plot3d格式的文件数据，并三维显示外形、网格、云图等-plot3d format viewer, plot3d format for importing data, and three-dimensional display form, grid, cloud, etc.

用matlab绘制三维图形的代码，也可以绘制一维和二维的图形-With the matlab draw three-dimensional graphics code, you can draw one-dimensional and two-dimensional graphics