将经纬度转换为kml文件，经纬度转换kml文件,读取文件，将其中的经纬度

将经纬度转换为kml文件，经纬度转换kml文件,读取文件，将其中的经纬度

读取文件，将其中的经纬度坐标更换为kml文件

import reimport osimport stringdef blh2num(sstr):        dd=int(sstr[:sstr.index(":")])        mm=string.atof(sstr[sstr.index(":")+1:sstr.rindex(":")])        ss_=sstr[sstr.rindex(":")+1:]            tt=""        rr=re.search("[NEWSnews]",ss_)        iend=0        if rr==None:            iend=len(ss_)                tt="N"        else:                t=ss_[rr.start()]                print(t)                tt="Y" if t in "WwEe" else "X"        iend=rr.start()-1        ss=string.atof(ss_[:iend])        if mm>60 or ss>60:           raise ValueError        else:        return dd+mm/60+ss/3600,ttdef getCoorOrder(a,b):    """    This is used to sort the x,y order in order that the latitude and longtitude can be displayed in a right way    """    if "N" not in (a[1],b[1]):        exec("{0[1]}=\\"{0[0]}\\"".format(a))        exec("{0[1]}=\\"{0[0]}\\"".format(b))        return '<coordinates>'+Y+','+X+'</coordinates>'def file2Kml(src,dest,sep=","):    """    The source file is need like name,45:32:32.32N,121:44:43.43E    """    rf=open(src,"r")    wf=open(dest,"w")    assert rf!=None or wf!=None,"Make Sure the file exists"    wf.write('<?xml version="1.0" encoding="UTF-8"?><kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom"><Document>')    while True:        ff=rf.readline()        if ff=="":            break        fn,bb,ll=tuple(ff.split(sep)[:3])        wf.write('<Placemark><name>'+fn+'</name><Point>'+getCoorOrder(blh2num(bb),blh2num(ll))+'</Point></Placemark>')    wf.write('</Document></kml>')    rf.close()    wf.close()#该片段来自于http://byrx.net