C++读入”N,X,Y,Z”格式文本文件到Eigen3 Matrix,以及相同格式输出方法
很多数据资料的格式类似这样:
1,-2085738.7757,5503702.8697,2892977.6829
2,-2071267.5135,5520926.7235,2883341.8135
3,-2079412.5535,5512450.8800,2879771.2119
4,-2093693.1744,5511218.2651,2869861.8947
5,-2113681.5062,54918