source: ntrip/trunk/BNC/bncantex.cpp@ 3302

Last change on this file since 3302 was 3295, checked in by mervart, 13 years ago
File size: 7.7 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 _maps[newAntMap->antName] = newAntMap;
122 newAntMap = 0;
123 }
124 else {
125 delete newAntMap;
126 return failure;
127 }
128 }
129
130 // Antenna Reading in Progress
131 // ---------------------------
132 else if (newAntMap) {
133 if (line.indexOf("TYPE / SERIAL NO") == 60) {
134 if (line.indexOf("BLOCK I") == 0 ||
135 line.indexOf("GLONASS") == 0) {
136 newAntMap->antName = line.mid(20,3);
137 }
138 else {
139 newAntMap->antName = line.mid(0,20);
140 }
141 }
142 else if (line.indexOf("ZEN1 / ZEN2 / DZEN") == 60) {
143 QTextStream inLine(&line, QIODevice::ReadOnly);
144 inLine >> newAntMap->zen1 >> newAntMap->zen2 >> newAntMap->dZen;
145 }
146
147 // Start of Frequency
148 // ------------------
149 else if (line.indexOf("START OF FREQUENCY") == 60) {
150 if (newFrqMap) {
151 delete newFrqMap;
152 delete newAntMap;
153 return failure;
154 }
155 else {
156 newFrqMap = new t_frqMap();
157 }
158 }
159
160 // End of Frequency
161 // ----------------
162 else if (line.indexOf("END OF FREQUENCY") == 60) {
163 if (newFrqMap) {
164 if (line.indexOf("G01") == 3 || line.indexOf("R01") == 3) {
165 newAntMap->frqMapL1 = newFrqMap;
166 }
167 else if (line.indexOf("G02") == 3 || line.indexOf("R02") == 3) {
168 newAntMap->frqMapL2 = newFrqMap;
169 }
170 else {
171 delete newFrqMap;
172 }
173 newFrqMap = 0;
174 }
175 else {
176 delete newAntMap;
177 return failure;
178 }
179 }
180
181 // Frequency Reading in Progress
182 // -----------------------------
183 else if (newFrqMap) {
184 if (line.indexOf("NORTH / EAST / UP") == 60) {
185 QTextStream inLine(&line, QIODevice::ReadOnly);
186 inLine >> newFrqMap->neu[0] >> newFrqMap->neu[1] >> newFrqMap->neu[2];
187 newFrqMap->neu[0] *= 1e-3;
188 newFrqMap->neu[1] *= 1e-3;
189 newFrqMap->neu[2] *= 1e-3;
190 }
191 else if (line.indexOf("NOAZI") == 3) {
192 QTextStream inLine(&line, QIODevice::ReadOnly);
193 int nPat = int((newAntMap->zen2-newAntMap->zen1)/newAntMap->dZen) + 1;
194 newFrqMap->pattern.ReSize(nPat);
195 QString dummy;
196 inLine >> dummy;
197 for (int ii = 0; ii < nPat; ii++) {
198 inLine >> newFrqMap->pattern[ii];
199 }
200 newFrqMap->pattern *= 1e-3;
201 }
202 }
203 }
204 }
205
206 delete newFrqMap;
207 delete newAntMap;
208
209 return success;
210}
211
212// Satellite Antenna Offset
213////////////////////////////////////////////////////////////////////////////
214t_irc bncAntex::satCoMcorrection(const QString& prn, double Mjd,
215 const ColumnVector& xSat, ColumnVector& dx) {
216
217 QMap<QString, t_antMap*>::const_iterator it = _maps.find(prn);
218 if (it != _maps.end()) {
219 t_antMap* map = it.value();
220 double* neu = map->frqMapL1->neu;
221
222 // Unit Vectors sz, sy, sx
223 // -----------------------
224 ColumnVector sz = -xSat;
225 sz /= sqrt(DotProduct(sz,sz));
226
227 ColumnVector xSun = Sun(Mjd);
228 xSun /= sqrt(DotProduct(xSun,xSun));
229
230 ColumnVector sy = crossproduct(sz, xSun);
231 sy /= sqrt(DotProduct(sy,sy));
232
233 ColumnVector sx = crossproduct(sy, sz);
234
235 dx[0] = sx[0] * neu[0] + sy[0] * neu[1] + sz[0] * neu[2];
236 dx[1] = sx[1] * neu[0] + sy[1] * neu[1] + sz[1] * neu[2];
237 dx[2] = sx[2] * neu[0] + sy[2] * neu[1] + sz[2] * neu[2];
238
239 return success;
240 }
241 else {
242 return failure;
243 }
244}
245
246// Phase Center Offset (Receiver Antenna and GPS only)
247////////////////////////////////////////////////////////////////////////////
248double bncAntex::pco(const QString& antName, double eleSat, bool& found) {
249
250 static const double f1 = t_CST::freq1;
251 static const double f2 = t_CST::freq2;
252 static const double c1 = f1 * f1 / (f1 * f1 - f2 * f2);
253 static const double c2 = - f2 * f2 / (f1 * f1 - f2 * f2);
254
255 QMap<QString, t_antMap*>::const_iterator it = _maps.find(antName);
256 if (it != _maps.end()) {
257 found = true;
258 t_antMap* map = it.value();
259 if (map->frqMapL1 && map->frqMapL2) {
260 double corr1 = -map->frqMapL1->neu[2] * sin(eleSat);
261 double corr2 = -map->frqMapL2->neu[2] * sin(eleSat);
262 return c1 * corr1 + c2 * corr2;
263 }
264 }
265 else {
266 found = false;
267 }
268
269 return 0.0;
270}
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