利用OpenGL对曲面进行渐变着色，类似有限元后处理的云图显示。-The use of OpenGL to the surface to gradient shading, similar to the finite element post-processing of the cloud display.

一种简单的基于拉格朗日线性插值算法、适合于有限元后处理所必须的绘制等值线方法。使用VC++软件发展的绘制等值线的程序，此程序采用拉格朗日线性插值算法适合于4边形4节点的有限元网格。-A simple linear interpolation algorithm based on Lagrange suitable for finite element post-processing necessary to draw the contour method. Software developmen