求散乱点云法向算法

通过对大量散乱点云求取临近点，临近点的个数可以设置。通过切平面法求得散乱点云每点的法向，并通过opengl绘制显示。

求法矢
ipch
Debug
t1g43
t1g4
2wei.txt
3wei.txt
94.txt
94.txt.bak
bunny.txt
bunny2.txt
display.cpp
file_operator.cpp
file_operator.h
head2.txt.bak
head2.txt.bak.bak
maomi.txt
mouseControl.cpp
mouseControl.h
output.txt
output.txt.bak
pointNormal.cpp
pointNormal.h
result.txt
result_zizhi.txt
result_zizhi3.txt
T1g4.dat
testdata.txt
testdata2.txt
tuzi-small.txt
tuzi.txt
voriance.cpp
yuanshiearthquakedata1.vtk
兔子.txt
兔子.txt.bak
兔子13332.txt
兔子2651.txt
兔子3854.txt
兔子4975.txt
兔子7091.txt
求法矢.dsp
求法矢.dsw
求法矢.ncb
求法矢.opt
求法矢.plg
求法矢.sdf
求法矢.sln
求法矢.suo
求法矢.vcxproj
求法矢.vcxproj.filters
求法矢.vcxproj.user
海豚.txt
猫咪.txt