这是我根据资料编写的bspline b样条测试程序，代码中只保留了bspline相关的代码，内含编译好的可执行文件，初学者一看就懂-this is a bspline test program, and it s very easy to understand because most parts of program is the bspline parts

这是BSPLINE测试程序，鼠标单击4个点后生成3次b样条，使用qt4.8.5 + vs2008编译 内含可执行文件，支持定点拖拽-This is BSPLINE test program that generates click four points after three b-spline, use qt4.8.5+ vs2008 compiled containing the executable file, and support drag control point