NMEA to 위경도

GPS 수신기에서나온 NMEA좌표(WGS-84, DM좌표)를 구글어스에 집어넣을 수 있는 위경도 좌표로 바꾸는 프로그램

NMEA to 위경도.7z

 
도분 -> 도

 static public double ConvertNmeaLatToDo(string nmea_lat)
        {
            double _do = 0;
            if (nmea_lat.Length < 3) return _do;
            _do = Convert.ToDouble(nmea_lat.Substring(0, 2));
            _do += Convert.ToDouble(nmea_lat.Substring(2)) / 60;
            return _do;
        }
static public double ConvertNmeaLonToDo(string nmea_lon)
        {
            double _do = 0;
            if (nmea_lon.Length < 3) return _do;
            _do = Convert.ToDouble(nmea_lon.Substring(0, 3));
            _do += Convert.ToDouble(nmea_lon.Substring(3)) / 60;
            return _do;
        }

도 -> 도분

 static public string ConvertDoLatToDoBun(string nmea_lat)
        {
            string _do = string.Empty;
            if (nmea_lat.Length < 3) return _do;
            _do = (Convert.ToDouble(nmea_lat.Substring(0, 2))).ToString();
            _do += ((Convert.ToDouble(nmea_lat.Substring(2, (nmea_lat.Length) - 2))) * 60).ToString();       

return _do;

        }

 static public string ConvertDoLonToDoBun(string nmea_lon)
        {
            string _do = string.Empty;
            if (nmea_lon.Length < 3) return _do;
            _do = (Convert.ToDouble(nmea_lon.Substring(0, 3))).ToString();
            _do += ((Convert.ToDouble(nmea_lon.Substring(3, (nmea_lon.Length) - 3))) * 60).ToString();

            return _do;
        }

도분 -> 도분초

 private void btnChage_Click(object sender, EventArgs e)
        {
            try
            {
                wiido_avg = Convert.ToDouble(tb_wiido_avg.Text);
                kyungdo_avg = Convert.ToDouble(tb_kyungdo_avg.Text);
                int wiido_Do = Convert.ToInt32(wiido_avg - 0.5);
                int wiido_Bun = Convert.ToInt32((wiido_avg - wiido_Do) * 100 - 0.5);
                double wiido_Cho = (((wiido_avg - wiido_Do) * 100) - wiido_Bun) * 60;
                string wiido_Cho_str = wiido_Cho.ToString("F3");

                int kyungdo_Do = Convert.ToInt32(kyungdo_avg - 0.5);
                int kyungdo_Bun = Convert.ToInt32((kyungdo_avg - kyungdo_Do) * 100 - 0.5);
                double kyungdo_Cho = (((kyungdo_avg - kyungdo_Do) * 100) - kyungdo_Bun) * 60;
                string kyungdo_Cho_str = kyungdo_Cho.ToString("F3");

                tb_WIIDO.Text = "";
                tb_KYUNGDO.Text = "";
                tb_WIIDO.AppendText("" + wiido_Do + "° " + wiido_Bun + "' " + wiido_Cho_str + " \"N");
                tb_KYUNGDO.AppendText("" + kyungdo_Do + "° " + kyungdo_Bun + "' " + kyungdo_Cho_str + " \"E");
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
           
        }