source: ntrip/trunk/BNC/src/bncantex.cpp@ 6547

Last change on this file since 6547 was 6405, checked in by mervart, 11 years ago
File size: 8.9 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 "pppModel.h"
46
47using namespace std;
48
49// Constructor
50////////////////////////////////////////////////////////////////////////////
51bncAntex::bncAntex() {
52}
53
54// Constructor
55////////////////////////////////////////////////////////////////////////////
56bncAntex::bncAntex(const char* fileName) {
57 readFile(QString(fileName));
58}
59
60// Destructor
61////////////////////////////////////////////////////////////////////////////
62bncAntex::~bncAntex() {
63 QMapIterator<QString, t_antMap*> it(_maps);
64 while (it.hasNext()) {
65 it.next();
66 delete it.value();
67 }
68}
69
70// Print
71////////////////////////////////////////////////////////////////////////////
72void bncAntex::print() const {
73 QMapIterator<QString, t_antMap*> itAnt(_maps);
74 while (itAnt.hasNext()) {
75 itAnt.next();
76 t_antMap* map = itAnt.value();
77 cout << map->antName.toAscii().data() << endl;
78 cout << " " << map->zen1 << " " << map->zen2 << " " << map->dZen << endl;
79 QMapIterator<t_frequency::type, t_frqMap*> itFrq(map->frqMap);
80 while (itFrq.hasNext()) {
81 itFrq.next();
82 const t_frqMap* frqMap = itFrq.value();
83 cout << " " << frqMap->neu[0] << " "
84 << frqMap->neu[1] << " "
85 << frqMap->neu[2] << endl;
86 cout << " " << frqMap->pattern.t();
87 }
88 cout << endl;
89 }
90}
91
92// Read ANTEX File
93////////////////////////////////////////////////////////////////////////////
94t_irc bncAntex::readFile(const QString& fileName) {
95
96 QFile inFile(fileName);
97 inFile.open(QIODevice::ReadOnly | QIODevice::Text);
98
99 QTextStream in(&inFile);
100
101 t_antMap* newAntMap = 0;
102 t_frqMap* newFrqMap = 0;
103
104 while ( !in.atEnd() ) {
105 QString line = in.readLine();
106
107 // Start of Antenna
108 // ----------------
109 if (line.indexOf("START OF ANTENNA") == 60) {
110 if (newAntMap) {
111 delete newAntMap;
112 return failure;
113 }
114 else {
115 delete newAntMap;
116 newAntMap = new t_antMap();
117 }
118 }
119
120 // End of Antenna
121 // --------------
122 else if (line.indexOf("END OF ANTENNA") == 60) {
123 if (newAntMap) {
124 if (_maps.contains(newAntMap->antName)) {
125 delete _maps[newAntMap->antName];
126 }
127 _maps[newAntMap->antName] = newAntMap;
128 newAntMap = 0;
129 }
130 else {
131 delete newAntMap;
132 return failure;
133 }
134 }
135
136 // Antenna Reading in Progress
137 // ---------------------------
138 else if (newAntMap) {
139 if (line.indexOf("TYPE / SERIAL NO") == 60) {
140 if (line.indexOf("BLOCK I") == 0 ||
141 line.indexOf("GLONASS") == 0) {
142 newAntMap->antName = line.mid(20,3);
143 }
144 else {
145 newAntMap->antName = line.mid(0,20);
146 }
147 }
148 else if (line.indexOf("ZEN1 / ZEN2 / DZEN") == 60) {
149 QTextStream inLine(&line, QIODevice::ReadOnly);
150 inLine >> newAntMap->zen1 >> newAntMap->zen2 >> newAntMap->dZen;
151 }
152
153 // Start of Frequency
154 // ------------------
155 else if (line.indexOf("START OF FREQUENCY") == 60) {
156 if (newFrqMap) {
157 delete newFrqMap;
158 delete newAntMap;
159 return failure;
160 }
161 else {
162 newFrqMap = new t_frqMap();
163 }
164 }
165
166 // End of Frequency
167 // ----------------
168 else if (line.indexOf("END OF FREQUENCY") == 60) {
169 if (newFrqMap) {
170 t_frequency::type frqType = t_frequency::dummy;
171 if (line.indexOf("G01") == 3) {
172 frqType = t_frequency::G1;
173 }
174 else if (line.indexOf("G02") == 3) {
175 frqType = t_frequency::G2;
176 }
177 else if (line.indexOf("R01") == 3) {
178 frqType = t_frequency::R1;
179 }
180 else if (line.indexOf("R02") == 3) {
181 frqType = t_frequency::R2;
182 }
183 if (frqType != t_frequency::dummy) {
184 if (newAntMap->frqMap.find(frqType) != newAntMap->frqMap.end()) {
185 delete newAntMap->frqMap[frqType];
186 }
187 newAntMap->frqMap[frqType] = newFrqMap;
188 }
189 else {
190 delete newFrqMap;
191 }
192 newFrqMap = 0;
193 }
194 else {
195 delete newAntMap;
196 return failure;
197 }
198 }
199
200 // Frequency Reading in Progress
201 // -----------------------------
202 else if (newFrqMap) {
203 if (line.indexOf("NORTH / EAST / UP") == 60) {
204 QTextStream inLine(&line, QIODevice::ReadOnly);
205 inLine >> newFrqMap->neu[0] >> newFrqMap->neu[1] >> newFrqMap->neu[2];
206 newFrqMap->neu[0] *= 1e-3;
207 newFrqMap->neu[1] *= 1e-3;
208 newFrqMap->neu[2] *= 1e-3;
209 }
210 else if (line.indexOf("NOAZI") == 3) {
211 QTextStream inLine(&line, QIODevice::ReadOnly);
212 int nPat = int((newAntMap->zen2-newAntMap->zen1)/newAntMap->dZen) + 1;
213 newFrqMap->pattern.ReSize(nPat);
214 QString dummy;
215 inLine >> dummy;
216 for (int ii = 0; ii < nPat; ii++) {
217 inLine >> newFrqMap->pattern[ii];
218 }
219 newFrqMap->pattern *= 1e-3;
220 }
221 }
222 }
223 }
224
225 delete newFrqMap;
226 delete newAntMap;
227
228 return success;
229}
230
231// Satellite Antenna Offset
232////////////////////////////////////////////////////////////////////////////
233t_irc bncAntex::satCoMcorrection(const QString& prn, double Mjd,
234 const ColumnVector& xSat, ColumnVector& dx) {
235
236 t_frequency::type frqType = t_frequency::dummy;
237 if (prn[0] == 'G') {
238 frqType = t_frequency::G1;
239 }
240 else if (prn[0] == 'R') {
241 frqType = t_frequency::R1;
242 }
243
244 QMap<QString, t_antMap*>::const_iterator it = _maps.find(prn);
245 if (it != _maps.end()) {
246 t_antMap* map = it.value();
247 if (map->frqMap.find(frqType) != map->frqMap.end()) {
248
249 double* neu = map->frqMap[frqType]->neu;
250
251 // Unit Vectors sz, sy, sx
252 // -----------------------
253 ColumnVector sz = -xSat;
254 sz /= sqrt(DotProduct(sz,sz));
255
256 ColumnVector xSun = BNC_PPP::t_astro::Sun(Mjd);
257 xSun /= sqrt(DotProduct(xSun,xSun));
258
259 ColumnVector sy = crossproduct(sz, xSun);
260 sy /= sqrt(DotProduct(sy,sy));
261
262 ColumnVector sx = crossproduct(sy, sz);
263
264 dx[0] = sx[0] * neu[0] + sy[0] * neu[1] + sz[0] * neu[2];
265 dx[1] = sx[1] * neu[0] + sy[1] * neu[1] + sz[1] * neu[2];
266 dx[2] = sx[2] * neu[0] + sy[2] * neu[1] + sz[2] * neu[2];
267
268 return success;
269 }
270 }
271
272 return failure;
273}
274
275//
276////////////////////////////////////////////////////////////////////////////
277double bncAntex::rcvCorr(const string& antName, t_frequency::type frqType,
278 double eleSat, double /* azSat */, bool& found) const {
279
280 if (antName.find("NULLANTENNA") != string::npos) {
281 found = true;
282 return 0.0;
283 }
284
285 QString antNameQ = antName.c_str();
286
287 if (_maps.find(antNameQ) == _maps.end()) {
288 found = false;
289 return 0.0;
290 }
291
292 t_antMap* map = _maps[antNameQ];
293
294 if (map->frqMap.find(frqType) == map->frqMap.end()) {
295 found = false;
296 return 0.0;
297 }
298
299 t_frqMap* frqMap = map->frqMap[frqType];
300
301 double var = 0.0;
302 if (frqMap->pattern.ncols() > 0) {
303 double zenDiff = 999.999;
304 double zenSat = 90.0 - eleSat * 180.0 / M_PI;
305 unsigned iZen = 0;
306 for (double zen = map->zen1; zen <= map->zen2; zen += map->dZen) {
307 iZen += 1;
308 double newZenDiff = fabs(zen - zenSat);
309 if (newZenDiff < zenDiff) {
310 zenDiff = newZenDiff;
311 var = frqMap->pattern(iZen);
312 }
313 }
314 }
315
316 found = true;
317 return var - frqMap->neu[2] * sin(eleSat);
318}
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