地质、地形dem模型、三维可视化建模软件,含数据模型文件-Geology, topography dem model, three-dimensional visual modeling software, including data model document

一个使用QT编写的三维函数图形程序，输入z=f(x,y)的表达式即可画出函数图像，使用openGL编程-The preparation of a three-dimensional function using the QT graphics program, type z = f (x, y) function, the expression can draw images, use the openGL programming