// Part of BNC, a utility for retrieving decoding and // converting GNSS data streams from NTRIP broadcasters. // // Copyright (C) 2007 // German Federal Agency for Cartography and Geodesy (BKG) // http://www.bkg.bund.de // Czech Technical University Prague, Department of Geodesy // http://www.fsv.cvut.cz // // Email: euref-ip@bkg.bund.de // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation, version 2. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. /* ------------------------------------------------------------------------- * BKG NTRIP Client * ------------------------------------------------------------------------- * * Class: bncAntex * * Purpose: Antenna Phase Centers and Variations from ANTEX File * * Author: L. Mervart * * Created: 26-Jan-2011 * * Changes: * * -----------------------------------------------------------------------*/ #include #include #include "bncantex.h" #include "bnctides.h" using namespace std; // Constructor //////////////////////////////////////////////////////////////////////////// bncAntex::bncAntex() { } // Constructor //////////////////////////////////////////////////////////////////////////// bncAntex::bncAntex(const char* fileName) { readFile(QString(fileName)); } // Destructor //////////////////////////////////////////////////////////////////////////// bncAntex::~bncAntex() { QMapIterator it(_maps); while (it.hasNext()) { it.next(); delete it.value(); } } // Print //////////////////////////////////////////////////////////////////////////// void bncAntex::print() const { QMapIterator it(_maps); while (it.hasNext()) { it.next(); t_antMap* map = it.value(); cout << map->antName.toAscii().data() << endl; cout << " " << map->zen1 << " " << map->zen2 << " " << map->dZen << endl; if (map->frqMapL1) { cout << " " << map->frqMapL1->neu[0] << " " << map->frqMapL1->neu[1] << " " << map->frqMapL1->neu[2] << endl; cout << " " << map->frqMapL1->pattern.t(); } if (map->frqMapL2) { cout << " " << map->frqMapL2->neu[0] << " " << map->frqMapL2->neu[1] << " " << map->frqMapL2->neu[2] << endl; cout << " " << map->frqMapL2->pattern.t(); } cout << endl; } } // Read ANTEX File //////////////////////////////////////////////////////////////////////////// t_irc bncAntex::readFile(const QString& fileName) { QFile inFile(fileName); inFile.open(QIODevice::ReadOnly | QIODevice::Text); QTextStream in(&inFile); t_antMap* newAntMap = 0; t_frqMap* newFrqMap = 0; while ( !in.atEnd() ) { QString line = in.readLine(); // Start of Antenna // ---------------- if (line.indexOf("START OF ANTENNA") == 60) { if (newAntMap) { delete newAntMap; return failure; } else { delete newAntMap; newAntMap = new t_antMap(); } } // End of Antenna // -------------- else if (line.indexOf("END OF ANTENNA") == 60) { if (newAntMap) { if (_maps.contains(newAntMap->antName)) { delete _maps[newAntMap->antName]; } _maps[newAntMap->antName] = newAntMap; newAntMap = 0; } else { delete newAntMap; return failure; } } // Antenna Reading in Progress // --------------------------- else if (newAntMap) { if (line.indexOf("TYPE / SERIAL NO") == 60) { if (line.indexOf("BLOCK I") == 0 || line.indexOf("GLONASS") == 0) { newAntMap->antName = line.mid(20,3); } else { newAntMap->antName = line.mid(0,20); } } else if (line.indexOf("ZEN1 / ZEN2 / DZEN") == 60) { QTextStream inLine(&line, QIODevice::ReadOnly); inLine >> newAntMap->zen1 >> newAntMap->zen2 >> newAntMap->dZen; } // Start of Frequency // ------------------ else if (line.indexOf("START OF FREQUENCY") == 60) { if (newFrqMap) { delete newFrqMap; delete newAntMap; return failure; } else { newFrqMap = new t_frqMap(); } } // End of Frequency // ---------------- else if (line.indexOf("END OF FREQUENCY") == 60) { if (newFrqMap) { if (line.indexOf("G01") == 3 || line.indexOf("R01") == 3) { delete newAntMap->frqMapL1; newAntMap->frqMapL1 = newFrqMap; } else if (line.indexOf("G02") == 3 || line.indexOf("R02") == 3) { delete newAntMap->frqMapL2; newAntMap->frqMapL2 = newFrqMap; } else { delete newFrqMap; } newFrqMap = 0; } else { delete newAntMap; return failure; } } // Frequency Reading in Progress // ----------------------------- else if (newFrqMap) { if (line.indexOf("NORTH / EAST / UP") == 60) { QTextStream inLine(&line, QIODevice::ReadOnly); inLine >> newFrqMap->neu[0] >> newFrqMap->neu[1] >> newFrqMap->neu[2]; newFrqMap->neu[0] *= 1e-3; newFrqMap->neu[1] *= 1e-3; newFrqMap->neu[2] *= 1e-3; } else if (line.indexOf("NOAZI") == 3) { QTextStream inLine(&line, QIODevice::ReadOnly); int nPat = int((newAntMap->zen2-newAntMap->zen1)/newAntMap->dZen) + 1; newFrqMap->pattern.ReSize(nPat); QString dummy; inLine >> dummy; for (int ii = 0; ii < nPat; ii++) { inLine >> newFrqMap->pattern[ii]; } newFrqMap->pattern *= 1e-3; } } } } delete newFrqMap; delete newAntMap; return success; } // Satellite Antenna Offset //////////////////////////////////////////////////////////////////////////// t_irc bncAntex::satCoMcorrection(const QString& prn, double Mjd, const ColumnVector& xSat, ColumnVector& dx) { QMap::const_iterator it = _maps.find(prn); if (it != _maps.end()) { t_antMap* map = it.value(); double* neu = map->frqMapL1->neu; // Unit Vectors sz, sy, sx // ----------------------- ColumnVector sz = -xSat; sz /= sqrt(DotProduct(sz,sz)); ColumnVector xSun = Sun(Mjd); xSun /= sqrt(DotProduct(xSun,xSun)); ColumnVector sy = crossproduct(sz, xSun); sy /= sqrt(DotProduct(sy,sy)); ColumnVector sx = crossproduct(sy, sz); dx[0] = sx[0] * neu[0] + sy[0] * neu[1] + sz[0] * neu[2]; dx[1] = sx[1] * neu[0] + sy[1] * neu[1] + sz[1] * neu[2]; dx[2] = sx[2] * neu[0] + sy[2] * neu[1] + sz[2] * neu[2]; return success; } else { return failure; } } // Phase Center Offset (Receiver Antenna and GPS only) //////////////////////////////////////////////////////////////////////////// double bncAntex::pco(const QString& antName, double eleSat, bool& found) const { static const double f1 = t_CST::freq1; static const double f2 = t_CST::freq2; static const double c1 = f1 * f1 / (f1 * f1 - f2 * f2); static const double c2 = - f2 * f2 / (f1 * f1 - f2 * f2); QMap::const_iterator it = _maps.find(antName); if (it != _maps.end()) { found = true; t_antMap* map = it.value(); if (map->frqMapL1 && map->frqMapL2) { double corr1 = -map->frqMapL1->neu[2] * sin(eleSat); double corr2 = -map->frqMapL2->neu[2] * sin(eleSat); return c1 * corr1 + c2 * corr2; } } else { found = false; } return 0.0; } // //////////////////////////////////////////////////////////////////////////// double bncAntex::rcvCorr(BNC::t_frequency::type /* frqType */, const std::string& antName, double eleSat, bool& found) const { return pco(QString(antName.c_str()), eleSat, found); }