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基于osg的河流显示，可以达到实时绘制效果。(Based osg rivers display, you can achieve real-time rendering results.)

是3d_rma数据库读写的程序，原来随数据库附带的读数据的程序读出的点有误，在此基础上做了一些修改，可以正确的读出。(3d_rma database is read-write procedure, the original database with the data attached to the procedure time to read out the points to be wrong, on this basis to do some modifications, you can read out the correct.)

读取dem数据，用Opengl画出三维地形，实现漫游。(Read dem data,and use Opengl to render the 3D Terrian. )

这个程序是用来将三维坐标投影成二维的c++程序。(This program is a three-dimensional coordinate projection into two-dimensional C++ program. . .)

vb 饼状图和柱状图，这里是一个demo，并含有注释，方便新手学习(vb,circle chart and point chart)

FLAC3D中粘塑性蠕变本构模型，供大家参考进行二次开发(FLAC3D in viscoplastic creep constitutive model for reference secondary development)

VTK8.0,ITK联合编译测试代码，编译环境VS2017，采用C++语言，内含属性表，无需使用CMake进行编译，能够成功运行(VTK and ITK compile and test code)

然烧字体,在VB的环境下实现字体的燃烧效果(However, burning fonts, in the VB environment to achieve the effect of fonts combustion)

这是用open cascade来实现绘制简单的B样条曲线和样条曲面的程序。可以用来对open cascade的入门学习。(This is used to achieve open cascade easy mapping of B-spline curves and spline surfaces procedures. Can be used to open cascade of study entry.)

说明：  给出一些离散的点，根据最小二乘法求出拟合的直线。(If there are some discrete points, you can get a line based on least square method.)