绘制多种三维图形组合，包括x-y色彩图，轮廓图，网格-轮廓组合图，曲面-轮廓组合图，填充曲面-轮廓组合图等等，可实现多种操作功能，如旋转，缩放等-Draw a variety of three-dimensional graphics portfolio, including the xy color chart, profile map, grid- profile portfolio map, surface- combination of contour maps, surface fil

实现立方体的3维旋转，可单独或同时绕x轴，y轴，z轴旋转。-To achieve 3-dimensional rotation of the cube, can be individually or simultaneously around the x-axis, y-axis, z-axis rotation.