从xml读取gps数据获取经纬高

 

 

 

 

 

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#!/usr/bin/python # -*- coding: UTF-8 -*-     from xml.dom.minidom import parse import xml.dom.minidom       """   数据输入   xmlname   文件名字 nodename  要获取的路径   输入格式 <?xml version="1.0"?> <opencv_storage> <KfrmGPS_ type_id="opencv-matrix">   <rows>2508</rows>   <cols>3</cols>   <dt>d</dt>   <data>     3.4236497333300001e+01 1.0889943616700000e+02 400.     3.4236502333300002e+01 1.0889943933300000e+02 400.     3.4236507166700001e+01 1.0889944250000001e+02 400.     3.4236511999999998e+01 1.0889944566699999e+02 400.   </data> </KfrmGPS_>   <KfrmGPS_m_ type_id="opencv-matrix">   <rows>2508</rows>   <cols>3</cols>   <dt>d</dt>   <data>     3.4236724219391739e+01 1.0889944810627938e+02 3.9653005784470588e+02     3.4236728962259967e+01 1.0889945157710224e+02 3.9650777322053909e+02     3.4236731965099686e+01 1.0889945368682891e+02 3.9653498737327754e+02     3.4236738454649888e+01 1.0889945827032633e+02 3.9652323448006064e+02   </data> </KfrmGPS_m_> </opencv_storage>     输出   转化成flaost的列表  纬 经 高   """         def read_xml_getgps(xmlname,nodename):              # 使用minidom解析器打开 XML 文档     DOMTree = xml.dom.minidom.parse(xmlname)     collection = DOMTree.documentElement                KfrmGPS_ = collection.getElementsByTagName(nodename)     #for KfrmGPS_i in KfrmGPS_:         KfrmGPS_i=KfrmGPS_[0]#可能有多个       gps_rows = KfrmGPS_i.getElementsByTagName('rows')[0]     gps_rows = gps_rows.childNodes[0].data     gps_cols = KfrmGPS_i.getElementsByTagName('cols')[0]     gps_cols = gps_cols.childNodes[0].data             gps_data = KfrmGPS_i.getElementsByTagName('data')[0]       gps_data_str=str(gps_data.childNodes[0].data)     #print("KfrmGPS_/data/内容",gps_data_str)       alllines=gps_data_str.strip().split("\n")# 行的分割符号 两个空格     i=1       gps_list=[]     for lines_i in alllines:         line_ii=lines_i.strip().split(" ") # 行内部的珊瑚橘分割符号 一个空格         real_gps_lat = line_ii[0:1] # list--str         real_gps_lat="".join(real_gps_lat).strip()                   real_gps_lon = line_ii[1:2] # list--str         real_gps_lon="".join(real_gps_lon).strip()         real_gps_high = line_ii[2:3] # list--str         real_gps_high="".join(real_gps_high).strip()           #print("字符串类型",i,real_gps_lon,real_gps_lat,real_gps_high)           real_gps_lat=float(real_gps_lat)         real_gps_lon=float(real_gps_lon)         real_gps_high=float(real_gps_high)         #print("float类型",i,real_gps_lon,real_gps_lat,real_gps_high)         i=i+1           gps_i=[real_gps_lat,real_gps_lon,real_gps_high]         gps_list.append(gps_i)           print("节点",nodename,"行数",gps_rows,"列数",gps_cols)       return gps_list              if ( __name__ == "__main__"):     xmlpath="20230107142004075.xml"           real_gps_list=read_xml_getgps(xmlpath,"KfrmGPS_")     slam_gps_list=read_xml_getgps(xmlpath,"KfrmGPS_m_")