初步实现了将激光雷达一次扫描的361个点在二维平面上的相对位置的显示。从txt文件到二维数组然后筛选过滤，最后归一化显示。缺陷在于很粗糙，而且没有用类来写，指针也比较繁琐。请轻拍。-The initial realization of a scanning laser radar 361 points in the relative position of two-dimensional plane of the display. To a two-dimensional array from