source: ntrip/trunk/BNC/src/bncsp3.cpp@ 10628

Last change on this file since 10628 was 10613, checked in by stuerze, 4 weeks ago

minor changes
File size: 8.1 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 _oStr.setf(ios::fixed);
71
72 if (reopen(GPSweek, GPSweeks) == success) {
73
74 bncTime epoTime(GPSweek, GPSweeks);
75
76 if (epoTime != _lastEpoTime) {
77
78 // print out epoch before
79 if (_lastEpoTime.valid()) {
80 _out << _oStr.str();
81 if (_lastEpoTime.daysec() != 0.0) {
82 _oStr.str(std::string());
83 }
84 // Check the sampling interval (print empty epochs)
85 // ------------------------------------------------
86 if (_sampl > 0) {
87 for (bncTime ep = _lastEpoTime +_sampl; ep < epoTime; ep = ep +_sampl) {
88 _oStr << "\n* " << ep.datestr(' ') << ' ' << ep.timestr(8, ' ');
89 }
90 }
91 }
92
93 // Print the new epoch
94 // -------------------
95 _oStr << "\n* " << epoTime.datestr(' ') << ' ' << epoTime.timestr(8, ' ');
96
97 _lastEpoTime = epoTime;
98 }
99
100 _oStr << "\nP" << prn.toLatin1().data()
101 << setw(14) << setprecision(6) << xCoM(1) / 1000.0 // [km]
102 << setw(14) << setprecision(6) << xCoM(2) / 1000.0 // [km]
103 << setw(14) << setprecision(6) << xCoM(3) / 1000.0 // [km]
104 << setw(14) << setprecision(6) << sp3Clk * 1e6; // microseconds
105
106 if (sp3ClkRate) {
107 _oStr << "\nV" << prn.toLatin1().data()
108 << setw(14) << setprecision(6) << v(1) * 10.0 // [dm/s]
109 << setw(14) << setprecision(6) << v(2) * 10.0 // [dm/s]
110 << setw(14) << setprecision(6) << v(3) * 10.0 // [dm/s]
111 << setw(14) << setprecision(6) << sp3ClkRate * 1e2; // 10^⁻4 microseconds/sec
112 }
113 return success;
114 }
115 else {
116 return failure;
117 }
118}
119
120// Close File (write last line)
121////////////////////////////////////////////////////////////////////////////
122void bncSP3::closeFile() {
123 _out << "\nEOF" << endl;
124 bncoutf::closeFile();
125}
126
127// Write Header
128////////////////////////////////////////////////////////////////////////////
129void bncSP3::writeHeader(const QDateTime& datTim) {
130
131 int GPSWeek;
132 double GPSWeeks;
133 GPSweekFromDateAndTime(datTim, GPSWeek, GPSWeeks);
134
135 double sec = fmod(GPSWeeks, 60.0);
136
137 int mjd;
138 double dayfrac;
139 mjdFromDateAndTime(datTim, mjd, dayfrac);
140
141 int numEpo = _numSec;
142 if (_sampl > 0) {
143 numEpo /= _sampl;
144 }
145
146 _out << "#dP" << datTim.toString("yyyy MM dd hh mm").toLatin1().data()
147 << setw(12) << setprecision(8) << sec
148 << " " << setw(7) << numEpo << " ORBIT IGS20 HLM IGS" << endl;
149
150 _out << "## "
151 << setw(4) << GPSWeek
152 << setw(16) << setprecision(8) << GPSWeeks
153 << setw(15) << setprecision(8) << double(_sampl)
154 << setw(6) << mjd
155 << setw(16) << setprecision(13) << dayfrac << endl;
156
157 _out << "+ 177 G01G02G03G04G05G06G07G08G09G10G11G12G13G14G15G16G17\n"
158 << "+ G18G19G20G21G22G23G24G25G26G27G28G29G30G31G32R01R02\n"
159 << "+ R03R04R05R06R07R08R09R10R11R12R13R14R15R16R17R18R19\n"
160 << "+ R20R21R22R23R24R25R26E01E02E03E04E05E06E07E08E09E10\n"
161 << "+ E11E12E13E14E15E16E17E18E19E20E21E22E23E24E25E26E27\n"
162 << "+ E28E29E30E31E32E33E34E35E36C01C02C03C04C05C06C07C08\n"
163 << "+ C09C10C11C12C13C14C15C16C17C18C19C20C21C22C23C24C25\n"
164 << "+ C26C27C28C29C30C31C32C33C34C35C36C37C38C39C40C41C42\n"
165 << "+ C43C44C45C46C47C48C49C50C51C52C53C54C55C56C57C58C59\n"
166 << "+ C60C61C62C63J01J02J03J04I01I02I03I04I05I06I07S20S24\n"
167 << "+ S27S28S29S33S35S37S38 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 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
171 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
172 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
173 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
174 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
175 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
176 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
177 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
178 << "++ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0\n"
179 << "%c M cc GPS ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc\n"
180 << "%c cc cc ccc ccc cccc cccc cccc cccc ccccc ccccc ccccc ccccc\n"
181 << "%f 0.0000000 0.000000000 0.00000000000 0.000000000000000\n"
182 << "%f 0.0000000 0.000000000 0.00000000000 0.000000000000000\n"
183 << "%i 0 0 0 0 0 0 0 0 0\n"
184 << "%i 0 0 0 0 0 0 0 0 0\n"
185 << "/* \n"
186 << "/* \n"
187 << "/* \n"
188 << "/* ";
189}
190
191// Read Next Epoch
192////////////////////////////////////////////////////////////////////////////
193const bncSP3::t_sp3Epoch* bncSP3::nextEpoch() {
194
195 delete _prevEpoch; _prevEpoch = _currEpoch; _currEpoch = 0;
196
197 if (_lastLine[0] == '*') {
198 _currEpoch = new t_sp3Epoch();
199 istringstream in(_lastLine.substr(1).c_str());
200 int YY, MM, DD, hh, mm;
201 double ss;
202 in >> YY >> MM >> DD >> hh >> mm >> ss;
203 _currEpoch->_tt.set(YY, MM, DD, hh, mm, ss);
204 }
205
206 while (_stream.good()) {
207 getline(_stream, _lastLine);
208 if (_stream.eof() || _lastLine.find("EOF") == 0) {
209 _stream.close();
210 break;
211 }
212 if (_lastLine[0] == '*') {
213 break;
214 }
215 if (_lastLine[0] == 'V') {
216 continue;
217 }
218 t_sp3Sat* sp3Sat = new t_sp3Sat();
219 istringstream in(_lastLine.substr(1).c_str());
220 in >> sp3Sat->_prn >> sp3Sat->_xyz(1) >> sp3Sat->_xyz(2) >> sp3Sat->_xyz(3) >> sp3Sat->_clk;
221 sp3Sat->_xyz *= 1.e3;
222
223 // Simple Check - check satellite radial distance
224 double rr = sp3Sat->_xyz.NormFrobenius();
225 const double MINDIST = 2.e7;
226 const double MAXDIST = 6.e7;
227 if (rr < MINDIST || rr > MAXDIST || std::isnan(rr)) {
228 delete sp3Sat;
229 continue;
230 }
231
232 // Simple Check - clock valid
233 if (sp3Sat->_clk == 999999.999999 ||
234 sp3Sat->_clk == 0.0) {
235 sp3Sat->_clkValid = false;
236 sp3Sat->_clk = 0.0;
237 }
238 else {
239 sp3Sat->_clkValid = true;
240 sp3Sat->_clk *= t_CST::c * 1.e-6;
241 }
242
243 _currEpoch->_sp3Sat.push_back(sp3Sat);
244 }
245
246 return _currEpoch;
247}
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