source: ntrip/trunk/BNC/bncantex.cpp@ 3542

Last change on this file since 3542 was 3542, checked in by mervart, 11 years ago
File size: 7.8 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: bncAntex
30 *
31 * Purpose: Antenna Phase Centers and Variations from ANTEX File
32 *
33 * Author: L. Mervart
34 *
35 * Created: 26-Jan-2011
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iostream>
42#include <newmatio.h>
43
44#include "bncantex.h"
45#include "bnctides.h"
46
47using namespace std;
48
49// Constructor
50////////////////////////////////////////////////////////////////////////////
51bncAntex::bncAntex() {
52}
53
54// Destructor
55////////////////////////////////////////////////////////////////////////////
56bncAntex::~bncAntex() {
57 QMapIterator<QString, t_antMap*> it(_maps);
58 while (it.hasNext()) {
59 it.next();
60 delete it.value();
61 }
62}
63
64// Print
65////////////////////////////////////////////////////////////////////////////
66void bncAntex::print() const {
67 QMapIterator<QString, t_antMap*> it(_maps);
68 while (it.hasNext()) {
69 it.next();
70 t_antMap* map = it.value();
71 cout << map->antName.toAscii().data() << endl;
72 cout << " " << map->zen1 << " " << map->zen2 << " " << map->dZen << endl;
73 if (map->frqMapL1) {
74 cout << " " << map->frqMapL1->neu[0] << " "
75 << map->frqMapL1->neu[1] << " "
76 << map->frqMapL1->neu[2] << endl;
77 cout << " " << map->frqMapL1->pattern.t();
78 }
79 if (map->frqMapL2) {
80 cout << " " << map->frqMapL2->neu[0] << " "
81 << map->frqMapL2->neu[1] << " "
82 << map->frqMapL2->neu[2] << endl;
83 cout << " " << map->frqMapL2->pattern.t();
84 }
85 cout << endl;
86 }
87}
88
89// Read ANTEX File
90////////////////////////////////////////////////////////////////////////////
91t_irc bncAntex::readFile(const QString& fileName) {
92
93 QFile inFile(fileName);
94 inFile.open(QIODevice::ReadOnly | QIODevice::Text);
95
96 QTextStream in(&inFile);
97
98 t_antMap* newAntMap = 0;
99 t_frqMap* newFrqMap = 0;
100
101 while ( !in.atEnd() ) {
102 QString line = in.readLine();
103
104 // Start of Antenna
105 // ----------------
106 if (line.indexOf("START OF ANTENNA") == 60) {
107 if (newAntMap) {
108 delete newAntMap;
109 return failure;
110 }
111 else {
112 delete newAntMap;
113 newAntMap = new t_antMap();
114 }
115 }
116
117 // End of Antenna
118 // --------------
119 else if (line.indexOf("END OF ANTENNA") == 60) {
120 if (newAntMap) {
121 if (_maps.contains(newAntMap->antName)) {
122 delete _maps[newAntMap->antName];
123 }
124 _maps[newAntMap->antName] = newAntMap;
125 newAntMap = 0;
126 }
127 else {
128 delete newAntMap;
129 return failure;
130 }
131 }
132
133 // Antenna Reading in Progress
134 // ---------------------------
135 else if (newAntMap) {
136 if (line.indexOf("TYPE / SERIAL NO") == 60) {
137 if (line.indexOf("BLOCK I") == 0 ||
138 line.indexOf("GLONASS") == 0) {
139 newAntMap->antName = line.mid(20,3);
140 }
141 else {
142 newAntMap->antName = line.mid(0,20);
143 }
144 }
145 else if (line.indexOf("ZEN1 / ZEN2 / DZEN") == 60) {
146 QTextStream inLine(&line, QIODevice::ReadOnly);
147 inLine >> newAntMap->zen1 >> newAntMap->zen2 >> newAntMap->dZen;
148 }
149
150 // Start of Frequency
151 // ------------------
152 else if (line.indexOf("START OF FREQUENCY") == 60) {
153 if (newFrqMap) {
154 delete newFrqMap;
155 delete newAntMap;
156 return failure;
157 }
158 else {
159 newFrqMap = new t_frqMap();
160 }
161 }
162
163 // End of Frequency
164 // ----------------
165 else if (line.indexOf("END OF FREQUENCY") == 60) {
166 if (newFrqMap) {
167 if (line.indexOf("G01") == 3 || line.indexOf("R01") == 3) {
168 newAntMap->frqMapL1 = newFrqMap;
169 }
170 else if (line.indexOf("G02") == 3 || line.indexOf("R02") == 3) {
171 newAntMap->frqMapL2 = newFrqMap;
172 }
173 else {
174 delete newFrqMap;
175 }
176 newFrqMap = 0;
177 }
178 else {
179 delete newAntMap;
180 return failure;
181 }
182 }
183
184 // Frequency Reading in Progress
185 // -----------------------------
186 else if (newFrqMap) {
187 if (line.indexOf("NORTH / EAST / UP") == 60) {
188 QTextStream inLine(&line, QIODevice::ReadOnly);
189 inLine >> newFrqMap->neu[0] >> newFrqMap->neu[1] >> newFrqMap->neu[2];
190 newFrqMap->neu[0] *= 1e-3;
191 newFrqMap->neu[1] *= 1e-3;
192 newFrqMap->neu[2] *= 1e-3;
193 }
194 else if (line.indexOf("NOAZI") == 3) {
195 QTextStream inLine(&line, QIODevice::ReadOnly);
196 int nPat = int((newAntMap->zen2-newAntMap->zen1)/newAntMap->dZen) + 1;
197 newFrqMap->pattern.ReSize(nPat);
198 QString dummy;
199 inLine >> dummy;
200 for (int ii = 0; ii < nPat; ii++) {
201 inLine >> newFrqMap->pattern[ii];
202 }
203 newFrqMap->pattern *= 1e-3;
204 }
205 }
206 }
207 }
208
209 delete newFrqMap;
210 delete newAntMap;
211
212 return success;
213}
214
215// Satellite Antenna Offset
216////////////////////////////////////////////////////////////////////////////
217t_irc bncAntex::satCoMcorrection(const QString& prn, double Mjd,
218 const ColumnVector& xSat, ColumnVector& dx) {
219
220 QMap<QString, t_antMap*>::const_iterator it = _maps.find(prn);
221 if (it != _maps.end()) {
222 t_antMap* map = it.value();
223 double* neu = map->frqMapL1->neu;
224
225 // Unit Vectors sz, sy, sx
226 // -----------------------
227 ColumnVector sz = -xSat;
228 sz /= sqrt(DotProduct(sz,sz));
229
230 ColumnVector xSun = Sun(Mjd);
231 xSun /= sqrt(DotProduct(xSun,xSun));
232
233 ColumnVector sy = crossproduct(sz, xSun);
234 sy /= sqrt(DotProduct(sy,sy));
235
236 ColumnVector sx = crossproduct(sy, sz);
237
238 dx[0] = sx[0] * neu[0] + sy[0] * neu[1] + sz[0] * neu[2];
239 dx[1] = sx[1] * neu[0] + sy[1] * neu[1] + sz[1] * neu[2];
240 dx[2] = sx[2] * neu[0] + sy[2] * neu[1] + sz[2] * neu[2];
241
242 return success;
243 }
244 else {
245 return failure;
246 }
247}
248
249// Phase Center Offset (Receiver Antenna and GPS only)
250////////////////////////////////////////////////////////////////////////////
251double bncAntex::pco(const QString& antName, double eleSat, bool& found) {
252
253 static const double f1 = t_CST::freq1;
254 static const double f2 = t_CST::freq2;
255 static const double c1 = f1 * f1 / (f1 * f1 - f2 * f2);
256 static const double c2 = - f2 * f2 / (f1 * f1 - f2 * f2);
257
258 QMap<QString, t_antMap*>::const_iterator it = _maps.find(antName);
259 if (it != _maps.end()) {
260 found = true;
261 t_antMap* map = it.value();
262 if (map->frqMapL1 && map->frqMapL2) {
263 double corr1 = -map->frqMapL1->neu[2] * sin(eleSat);
264 double corr2 = -map->frqMapL2->neu[2] * sin(eleSat);
265 return c1 * corr1 + c2 * corr2;
266 }
267 }
268 else {
269 found = false;
270 }
271
272 return 0.0;
273}
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