/*读取观测值头文件*/
public static int readobsh(StreamReader sr, obs_t obs, station sta)
{
int flag = 0;
string line = "";
while (!sr.EndOfStream)
{
line = sr.ReadLine();
if (line.Contains("RINEX VERSION / TYPE"))
{
sta.ver = double.Parse(line.Substring(0, 9));
}
if (line.Contains("MARKER NAME"))
{
sta.name = line.Substring(0, 59).Trim();
}
if (line.Contains("ANT # / TYPE"))//接收机天线类型
{
sta.anxtype = line.Substring(20, 20);
}
if (line.Contains("ANTENNA: DELTA H/E/N"))
{
string[] ss = line.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
sta.atxdel[2] = double.Parse(ss[0]); //ss: H E N
sta.atxdel[0] = double.Parse(ss[1]); //atxdel: E N U
sta.atxdel[1] = double.Parse(ss[2]);
}
if (line.Contains("APPROX POSITION XYZ"))
{
for (int i = 0, j = 0; i < 3; i++, j += 14)
{
sta.xyz[i] = double.Parse(line.Substring(j, 14));
}
}
if (line.Contains("# / TYPES OF OBSERV"))
{
obs.ntype = int.Parse(line.Substring(0, 6));
for (int i = 0, j = 10; i < obs.ntype; i++, j += 6)
{
if (j > 58)
{
line = sr.ReadLine();
j = 10;
}
obs.obstype[i] = line.Substring(j, 2);
}
}
if (line.Contains("END OF HEADER"))
{
return(1);
}
}
return(flag);
}
public static void propos(obs_t obss, dcb_t dcb, pcv_t pcv, station sta, nav_t nav, erp_t erp, List <result> res, RichTextBox text)
{
int nobs = 0;
rtktime solt = new rtktime();
string timestr = null;
obs_t obs = new obs_t();
ppp_t p3 = new ppp_t();
spp_t spp = new spp_t();
while ((nobs = inputobs(obs, obss)) > 0)
{
result re = new result();
solt = spp.tcur;
if (pntpos(obs.obs_b, nav, spp, dcb) == 0)
{
continue;
}
p3.spp = spp;
p3.soltime = spp.tcur;
if (solt.time_int != 0)
{
p3.tt = rtklibcmn.timediff(p3.soltime, solt);
}
if (pppos(p3, obs.obs_b, nav, dcb, sta, erp) != 1)
{
continue;
}
for (int j = 0; j < 3; j++)
{
spp.rr[j] = p3.x[j];
}
spp.dtr = p3.x[4];
re.time = obs.obs_b[0].t.calend;
re.X = p3.x[0]; re.Y = p3.x[1]; re.Z = p3.x[2];
timestr = re.time[0] + "/" + re.time[1] + "/" + re.time[2] + " " + re.time[3] + ":" + re.time[4] + ":" + re.time[5];
text.AppendText(string.Format("{0,-20}", timestr) + string.Format("{0,-20}", re.X) + string.Format("{0,-20}", re.Y) + string.Format("{0,-20}", re.Z) + "\r\n");
res.Add(re);
}
}
public static int inputobs(obs_t obs, obs_t obss)
{
int n = 0, sat;
time t = new time();
List <obs_s> obs_ = new List <obs_s>();
for (int i = 0; i < 32; i++)
{
obs_.Add(null);
}
obs.obs_b = new List <obs_s>();
if (0 <= iobss && iobss < obss.n)
{
t = obss.obs_b[iobss].t;
}
for (int i = 0; i < obss.obs_b.Count; i++)
{
if ((iobss + i) >= obss.obs_b.Count)
{
n = i; break;
}
if ((obss.obs_b[iobss + i].t.gpsec - t.gpsec) > DT)
{
n = i; break;
}
}
for (int i = 0; i < n; i++)
{
sat = int.Parse(obss.obs_b[iobss + i].sprn.Substring(1, 2));
obs_[sat - 1] = obss.obs_b[iobss + i];
}
foreach (var v in obs_)
{
if (v != null)
{
obs.obs_b.Add(v);
}
}
iobss += n;
return(n);//n为当前历元观测的卫星数
}
const double CLIGHT = 299792458.0; /* speed of light (m/s) */
/*读取观测值文件 支持ver 2.11*/
public static int readobs(string path, obs_t obs, station sta)
{
using (StreamReader sr = new StreamReader(path))
{
if (readobsh(sr, obs, sta) == 1 && (sta.ver < 3 && sta.ver > 0))
{
string line = "";
while (!sr.EndOfStream)
{
time tcurrent = new time(); string[] sprn = new string[64];
rtktime rtktcur = new rtktime();
int ns = 0; //每个历元观测到的卫星数
line = sr.ReadLine();
if (line != null) //读取含历元时间信息和卫星数的一行
{
tcurrent = new time(line.Substring(0, 26), "o"); //读取时间信息
rtklibcmn.str2time(line.Substring(0, 26), rtktcur);
ns = int.Parse(line.Substring(29, 3)); //读取当前历元观测到的卫星数
sprn = new string[ns]; //卫星prn
for (int i = 0, j = 32; i < ns; i++, j += 3)
{
if (j >= 68)
{
line = sr.ReadLine();
j = 32;
}
sprn[i] = line.Substring(j, 3);
}
}
for (int i = 0; i < ns; i++)//读取每个卫星相应的观测值
{
obs_s sat = new obs_s();
sat.t = tcurrent;
sat.rtkt = rtktcur;
sat.sprn = sprn[i];
line = sr.ReadLine();
for (int k = 0, j = 0; k < obs.ntype; k++, j += 16)//读取一颗卫星的所有观测值信息
{
obssat obsat = new obssat();
if (j >= 80)
{
line = sr.ReadLine();
j = 0;
}
obsat.type = obs.obstype[k];
if (j >= line.Length)
{
obsat.value = 0;
}
else
{
if (line.Substring(j, 14).Trim() == "")
{
obsat.value = 0;
}
else
{
obsat.value = double.Parse(line.Substring(j, 14));
}
}
sat.type_value.Add(obsat);
}
obs.obs_b.Add(sat);
}
obs.n += ns;
}
return(1);
}
else
{
return(0);
}
}
}