703_QAWriteFile

中点画圆与中点画直线 二维图形变换 多边形填充 计算机图形学实验(The midpoint Circle draws line in two-dimensional graphics transform polygon fill, computer graphics experiments)

对图片进行网格划分，以及绘图获得区域，最终获得灰度矩阵(Mesh the image, and draw the region to obtain the gray scale matrix)

Gompertz（龚伯次）曲线模型被广泛应用在预测中，该代码实现了G曲线的预测功能。(Gompertz curve is widely used in prediction, this code will help achieve the Gompertz curve prediction function.)

在AutoCAD中添加一个自定义分页侧边栏。(In AutoCAD add a custom tab sidebar.)

mfc 实现绘制3次B样条 效果很好 模块化可以在自己论文中使用(mfc achieved drawing cubic B-spline)

用c++编写的一个基于easyx绘图库的简单立体三视图的绘制程序，文件中包含easyx库的安装包(Based on a simple three-dimensional easyx graphics library written in three views with c++ drawing program, a file containing the installation package easyx library)

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)

说明：  一个模拟cad画图的程序,实现了直线,椭圆,圆,矩形等图形的画法.需要安装后才能查看源码和相关文档(cad drawing a simulation procedures to achieve a straight line, oval, round, rectangular and other graphics painting. Installed after looking at the source and related documentation)

说明：  通过使用dxflib库，对dxf文件进行读取(Read DXF files by using the dxflib Library)

代码是关于Peano-Hilbert曲线算法，属于图形学范畴(Code is on the Peano-Hilbert curve algorithm, belongs to the category Graphics)