Turn

  GIS专业入门必修课-多边形左转算法，首先在屏幕上点取点，后连接三角形，最后自动形成多边形。(GIS professional entry courses- turn left polygon algorithm, the first check point on the screen points, after connecting the triangle, and finally form a polygon automatically.)

Turn end
........\MainFrm.cpp
........\MainFrm.h
........\MyLine.cpp
........\MyLine.h
........\MyPoint.cpp
........\MyPoint.h
........\MyPolygon.cpp
........\MyPolygon.h
........\ReadMe.txt
........\res


........\...\Turn.rc2

........\Resource.h
........\StdAfx.cpp
........\StdAfx.h
........\Turn.aps
........\Turn.clw
........\Turn.cpp
........\Turn.dsp
........\Turn.dsw
........\Turn.h
........\Turn.ncb
........\Turn.opt
........\Turn.plg
........\Turn.rc
........\TurnDoc.cpp
........\TurnDoc.h
........\TurnView.cpp
........\TurnView.h