create_terrain

说明：  OpenGL实现三维绘图 在VC中实现三维交汇图系统演示，主窗口是可以旋转的三维立体坐标系，还可以观察到在x，y，z方向上的投影。(OpenGL 3D graphics in the VC 3D map convergence demonstration, the main window is rotating three-dimensional coordinate system, also can be observed in the x, y, z direction of the projection.)

Draw a sphere using OpenGL and change the color every second

测绘相关源码 包括：角度化弧度、弧度化角度、计算两点间的方位角、B_三次样条函数（曲线拟合）、贝赛尔曲线。(Surveying and Mapping-related source, including: the angle of curvature, arc angle of the calculation of the azimuth between two points, B_ cubic spline function (curve fitting), Bezier curves.)

VB写的程序除了菜单和窗口的外观是XP风格外，其他控件还是一如既往的是普通风格。 vb6.0下开发的xp风格的控件(VB to write the procedure apart from the appearance of menus and windows is XP-style, the other controls or, as always, is the ordinary style. VB6.0 developed under xp style control)

北邮计算机网络小学期dns中继服务器代码。localserver部分。用c语言在Linux下的实现。(Beijing university computer network primary school period DNS relay server code.Localserver parts.With the realization of the c language under Linux.)

一个地形查询器吧，可以查询坐标系和一些地理信息(A terrain query browser bar, you can query coordinate system and a number of geographic information)

学习向量量化神经网络模型与学习算法及MATLAB实现(Learning vector quantization neural network model and learning algorithm)

低通巴特沃斯滤波器设计求阶数，适合广大学生们参考，(Low-pass Butterworth filter design requirements order, for the majority of students reference)

基于VB实现的QQ空间音乐搜索、试听工具.有需要的下。(Based on VB realize the QQ space music search, audio-visual tools. In need.)

SourceCode for Triangulated irregular network