pos2kml - convert position format to google earth kml format

       Read  solution file(s) and convert it to Google Earth KML file. Each line in the input file shall contain
       fields of time, position fields (latitude/ longitude/height or x/y/z-ecef), and quality flag(option). The
       line started with '%', '#', ';' is treated as comment. Command options are as follows.  ([]:default)

       pos2kml - convert position format to google earth kml format

       -h     print help

       -o file
              output file [infile + .kml]

       -c color
              track color (0:off,1:white,2:green,3:orange,4:red,5:yellow) [5]

       -p color
              point color (0:off,1:white,2:green,3:orange,4:red,5:by qflag) [5]

       -a     output altitude information [off]

       -ag    output geodetic altitude [off]

       -tg    output time stamp of gpst [off]

       -tu    output time stamp of utc [gpst]

       -i tint
              output time interval (s) (0:all) [0]

       -q qflg
              output q-flags (0:all) [0]

       -f n e h
              add north/east/height offset to position (m) [0 0 0]

                                                  July 29 2016                                        POS2KML(1)

       pos2kml [option]... file [...]