CGPainter_lineCircle

克里金插值计算，一种拟合算法，主要用于等值线应用。(Kriging interpolation calculation, a fitting algorithm, mainly for the application of contour lines.)

自由曲线图表、柱状图、饼图的实现与转换，基于一套简单的图形类库（源代码在内）。(free curve charts, column, pie and the realization of conversion, based on a simple set of graphics libraries (including source code).)

说明：  单文档绘图测试程序。单文档绘图测试程序。(single document mapping test. Single document mapping test.)

cad图像纠正cad图像纠正cad图像纠正cad图像纠正(wad sdfdfgdfgfh sgd g gs gsdg sdf sf )

绘图程序，可以自由绘制直线、矩形、圆、多边形，可以设置颜色和宽度，并且能够进行图元基本操作，如剪裁、缩放及填充功能。(Drawing program, free to draw lines, rectangles, circles, polygons, you can set the color and width, and can be primitive basic operations, such as cropping, scaling and filling functions.)

能够对通达信.lc5文件进行修改，主要是修改分钟数，这样可以在两年多的数据中进行画线处理(Mastery letter. Lc5 file to be modified, modify the number of minutes, so you can draw lines in more than two years of data)

DDA直线绘制程序实现，可以是任意的直线。(DDA line drawing program, a straight line can be arbitrary.)

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)

计算机辅助几何设计与非均匀有理b样条（修订版）施法中著；第6-7章附件(《CAGD & NURBS》)

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)