The-scale-can-be-designed

用于拟合椭圆的函数，支持对于多个离散数据点的椭圆曲线方程计算(new function)

本代码是进行齿轮参数设计和参数校核，参数化绘制二维工程图的源代码(gear parameters for the design and verification parameters, parametric mapping of two-dimensional engineering drawings source code)

MFC下实现DDA算法、一般直线的Bresenham算法、Bresenham画圆算法 、中点圆整数优化(MFC DDA Bresenham )

说明：  三次B样条,程序中有部分说明,可以自由在其中进行扩展设计其它类似样条程序.(cubic B-spline, some procedures that can be carried out in one free expansion design similar kind of procedure.)

AE实现加载CAD格式的数据，以及对其进行转换格式，转换为SHP等格式，还有对其进行编辑等操作(AE spatial data editing functions, including generating points, generating lines, as well as delete, move elements such as fried operation)

MFC 画出简单的坐标 并通过按钮产生随机点坐标（横坐标逐渐增大纵坐标随机）存入文件中 另一按钮实现读出数据并将点连成折线(MFC drawing simple coordinate and through the button generates random point coordinates (abscissa increases ordinate random) into a file and another button to achieve read data points connected into line)

常用的画图API函数的具体使用方法，希望对画图感兴趣的人有所帮助(Commonly used drawing API the specific function to use, I hope to help people who are interested in drawing)

NT9200数字脑电图仪 的串行通讯及实时绘图程序。可借鉴里面的绘图程序。(NT9200 digital EEG instrument serial communications and real-time drawing program. Inside of the mapping process can learn from.)

三次样条插值绘制光滑曲线，很有用的代码希望对大家有用(Cubic spline interpolation to draw a smooth curve, useful code hope to be useful)

二维简单多边形凸分解源代码以及详细的使用说明(Two-dimensional simple convex polygon decomposition of the source code and instructions)