source: ntrip/trunk/BNC/src/bncsp3.cpp

Last change on this file was 10128, checked in by stuerze, 9 months ago

minor changes
File size: 7.9 KB
Line 
1
2/* -------------------------------------------------------------------------
3 * BKG NTRIP Server
4 * -------------------------------------------------------------------------
5 *
6 * Class: bncSP3
7 *
8 * Purpose: writes SP3 files
9 *
10 * Author: L. Mervart
11 *
12 * Created: 25-Apr-2008
13 *
14 * Changes:
15 *
16 * -----------------------------------------------------------------------*/
17
18#include <iomanip>
19#include <sstream>
20#include <iostream>
21#include <math.h>
22
23#include "bncsp3.h"
24#include "bncutils.h"
25
26using namespace std;
27
28// Constructor
29////////////////////////////////////////////////////////////////////////////
30bncSP3::bncSP3(const QString& fileName) : bncoutf(QString(), QString(), 0) {
31 _inpOut = input;
32 _currEpoch = 0;
33 _prevEpoch = 0;
34
35 _stream.open(fileName.toLatin1().data());
36 if (!_stream.good()) {
37 throw "t_sp3File: cannot open file " + fileName;
38 }
39
40 while (_stream.good()) {
41 getline(_stream, _lastLine);
42 if (_lastLine[0] == '*') {
43 break;
44 }
45 }
46}
47
48// Constructor
49////////////////////////////////////////////////////////////////////////////
50bncSP3::bncSP3(const QString& sklFileName, const QString& intr, int sampl)
51 : bncoutf(sklFileName, intr, sampl) {
52 _inpOut = output;
53 _currEpoch = 0;
54 _prevEpoch = 0;
55}
56
57// Destructor
58////////////////////////////////////////////////////////////////////////////
59bncSP3::~bncSP3() {
60 delete _currEpoch;
61 delete _prevEpoch;
62}
63
64// Write One Epoch
65////////////////////////////////////////////////////////////////////////////
66t_irc bncSP3::write(int GPSweek, double GPSweeks, const QString& prn,
67 const ColumnVector& xCoM, double sp3Clk,
68 const ColumnVector& v, double sp3ClkRate) {
69
70 if (reopen(GPSweek, GPSweeks) == success) {
71
72 bncTime epoTime(GPSweek, GPSweeks);
73
74 if (epoTime != _lastEpoTime) {
75
76 // Check the sampling interval (print empty epochs)
77 // ------------------------------------------------
78 if (_lastEpoTime.valid() && _sampl > 0) {
79 for (bncTime ep = _lastEpoTime +_sampl; ep < epoTime; ep = ep +_sampl) {
80 _out << "\n* " << ep.datestr(' ') << ' ' << ep.timestr(8, ' ');
81 }
82 }
83
84 // Print the new epoch
85 // -------------------
86 _out << "\n* " << epoTime.datestr(' ') << ' ' << epoTime.timestr(8, ' ');
87
88 _lastEpoTime = epoTime;
89 }
90
91 _out << "\nP" << prn.toLatin1().data()
92 << setw(14) << setprecision(6) << xCoM(1) / 1000.0 // [km]
93 << setw(14) << setprecision(6) << xCoM(2) / 1000.0 // [km]
94 << setw(14) << setprecision(6) << xCoM(3) / 1000.0 // [km]
95 << setw(14) << setprecision(6) << sp3Clk * 1e6; // microseconds
96
97 if (sp3ClkRate) {
98 _out << "\nV" << prn.toLatin1().data()
99 << setw(14) << setprecision(6) << v(1) * 10.0 // [dm/s]
100 << setw(14) << setprecision(6) << v(2) * 10.0 // [dm/s]
101 << setw(14) << setprecision(6) << v(3) * 10.0 // [dm/s]
102 << setw(14) << setprecision(6) << sp3ClkRate * 1e2; // 10^⁻4 microseconds/sec
103 }
104 return success;
105 }
106 else {
107 return failure;
108 }
109}
110
111// Close File (write last line)
112////////////////////////////////////////////////////////////////////////////
113void bncSP3::closeFile() {
114 _out << "EOF" << endl;
115 bncoutf::closeFile();
116}
117
118// Write Header
119////////////////////////////////////////////////////////////////////////////
120void bncSP3::writeHeader(const QDateTime& datTim) {
121
122 int GPSWeek;
123 double GPSWeeks;
124 GPSweekFromDateAndTime(datTim, GPSWeek, GPSWeeks);
125
126 double sec = fmod(GPSWeeks, 60.0);
127
128 int mjd;
129 double dayfrac;
130 mjdFromDateAndTime(datTim, mjd, dayfrac);
131
132 int numEpo = _numSec;
133 if (_sampl > 0) {
134 numEpo /= _sampl;
135 }
136
137 _out << "#dP" << datTim.toString("yyyy MM dd hh mm").toLatin1().data()
138 << setw(12) << setprecision(8) << sec
139 << " " << setw(7) << numEpo << " ORBIT IGS20 HLM IGS" << endl;
140
141 _out << "## "
142 << setw(4) << GPSWeek
143 << setw(16) << setprecision(8) << GPSWeeks
144 << setw(15) << setprecision(8) << double(_sampl)
145 << setw(6) << mjd
146 << setw(16) << setprecision(13) << dayfrac << endl;
147
148 _out << "+ 177 G01G02G03G04G05G06G07G08G09G10G11G12G13G14G15G16G17\n"
149 << "+ G18G19G20G21G22G23G24G25G26G27G28G29G30G31G32R01R02\n"
150 << "+ R03R04R05R06R07R08R09R10R11R12R13R14R15R16R17R18R19\n"
151 << "+ R20R21R22R23R24R25R26E01E02E03E04E05E06E07E08E09E10\n"
152 << "+ E11E12E13E14E15E16E17E18E19E20E21E22E23E24E25E26E27\n"
153 << "+ E28E29E30E31E32E33E34E35E36C01C02C03C04C05C06C07C08\n"
154 << "+ C09C10C11C12C13C14C15C16C17C18C19C20C21C22C23C24C25\n"
155 << "+ C26C27C28C29C30C31C32C33C34C35C36C37C38C39C40C41C42\n"
156 << "+ C43C44C45C46C47C48C49C50C51C52C53C54C55C56C57C58C59\n"
157 << "+ C60C61C62C63J01J02J03J04I01I02I03I04I05I06I07S20S24\n"
158 << "+ S27S28S29S33S35S37S38 0 0 0 0 0 0 0 0 0 0\n"
159 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
160 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
161 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
162 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
163 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
164 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
165 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
166 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
167 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
168 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
169 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
170 << "%c M cc GPS ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc\n"
171 << "%c cc cc ccc ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc\n"
172 << "%f 0.0000000 0.000000000 0.00000000000 0.000000000000000\n"
173 << "%f 0.0000000 0.000000000 0.00000000000 0.000000000000000\n"
174 << "%i 0 0 0 0 0 0 0 0 0\n"
175 << "%i 0 0 0 0 0 0 0 0 0\n"
176 << "/* \n"
177 << "/* \n"
178 << "/* \n"
179 << "/* \n";
180}
181
182// Read Next Epoch
183////////////////////////////////////////////////////////////////////////////
184const bncSP3::t_sp3Epoch* bncSP3::nextEpoch() {
185
186 delete _prevEpoch; _prevEpoch = _currEpoch; _currEpoch = 0;
187
188 if (_lastLine[0] == '*') {
189 _currEpoch = new t_sp3Epoch();
190 istringstream in(_lastLine.substr(1).c_str());
191 int YY, MM, DD, hh, mm;
192 double ss;
193 in >> YY >> MM >> DD >> hh >> mm >> ss;
194 _currEpoch->_tt.set(YY, MM, DD, hh, mm, ss);
195 }
196
197 while (_stream.good()) {
198 getline(_stream, _lastLine);
199 if (_stream.eof() || _lastLine.find("EOF") == 0) {
200 _stream.close();
201 break;
202 }
203 if (_lastLine[0] == '*') {
204 break;
205 }
206 if (_lastLine[0] == 'V') {
207 continue;
208 }
209 t_sp3Sat* sp3Sat = new t_sp3Sat();
210 istringstream in(_lastLine.substr(1).c_str());
211 in >> sp3Sat->_prn >> sp3Sat->_xyz(1) >> sp3Sat->_xyz(2) >> sp3Sat->_xyz(3) >> sp3Sat->_clk;
212 sp3Sat->_xyz *= 1.e3;
213
214 // Simple Check - check satellite radial distance
215 double rr = sp3Sat->_xyz.NormFrobenius();
216 const double MINDIST = 2.e7;
217 const double MAXDIST = 6.e7;
218 if (rr < MINDIST || rr > MAXDIST || std::isnan(rr)) {
219 delete sp3Sat;
220 continue;
221 }
222
223 // Simple Check - clock valid
224 if (sp3Sat->_clk == 999999.999999 ||
225 sp3Sat->_clk == 0.0) {
226 sp3Sat->_clkValid = false;
227 sp3Sat->_clk = 0.0;
228 }
229 else {
230 sp3Sat->_clkValid = true;
231 sp3Sat->_clk *= t_CST::c * 1.e-6;
232 }
233
234 _currEpoch->_sp3Sat.push_back(sp3Sat);
235 }
236
237 return _currEpoch;
238}
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