matlab选择三维点坐标

选择三维点云的点，返回坐标： H = CLICKA3DPOINT(POINTCLOUD) shows a 3D point cloud and lets the user % select points by clicking on them. The selected point is highlighted % and its index in the point cloud will is printed on the screen. % POINTCLOUD should be a 3*N matrix, represending N 3D points. % Handle to the figure is returned. % % other functions required: % CALLBACKCLICK3DPOINT mouse click callback function % ROWNORM returns norms of each row of a matrix % % To test this function ... % pointCloud = rand(3,100)*100; % h = clickA3DPoint(pointCloud); % % now rotate or move the point cloud and try it again. % (on the figure View menu, turn the Camera Toolbar on, ...) % % To turn off the callback ... % set(h, 'WindowButtonDownFcn','');