[280] | 1 | // Part of BNC, a utility for retrieving decoding and
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| 2 | // converting GNSS data streams from NTRIP broadcasters,
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| 3 | // written by Leos Mervart.
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| 4 | //
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| 5 | // Copyright (C) 2006
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| 6 | // German Federal Agency for Cartography and Geodesy (BKG)
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| 7 | // http://www.bkg.bund.de
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| 8 | // Czech Technical University Prague, Department of Advanced Geodesy
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| 9 | // http://www.fsv.cvut.cz
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| 10 | //
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| 11 | // Email: euref-ip@bkg.bund.de
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| 12 | //
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| 13 | // This program is free software; you can redistribute it and/or
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| 14 | // modify it under the terms of the GNU General Public License
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| 15 | // as published by the Free Software Foundation, version 2.
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| 16 | //
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| 17 | // This program is distributed in the hope that it will be useful,
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| 18 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | // GNU General Public License for more details.
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| 21 | //
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| 22 | // You should have received a copy of the GNU General Public License
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| 23 | // along with this program; if not, write to the Free Software
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| 24 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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[73] | 25 |
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| 26 | /* -------------------------------------------------------------------------
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[93] | 27 | * BKG NTRIP Client
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[73] | 28 | * -------------------------------------------------------------------------
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| 29 | *
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| 30 | * Class: bncRinex
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| 31 | *
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| 32 | * Purpose: writes RINEX files
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| 33 | *
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| 34 | * Author: L. Mervart
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| 35 | *
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| 36 | * Created: 27-Aug-2006
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| 37 | *
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| 38 | * Changes:
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| 39 | *
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| 40 | * -----------------------------------------------------------------------*/
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| 41 |
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[292] | 42 | #include <stdlib.h>
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[300] | 43 | #include <iostream>
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[75] | 44 | #include <iomanip>
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[221] | 45 | #include <math.h>
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[75] | 46 |
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[300] | 47 | #include <QtCore>
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| 48 | #include <QUrl>
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| 49 | #include <QString>
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| 50 |
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[73] | 51 | #include "bncrinex.h"
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[157] | 52 | #include "bncapp.h"
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[82] | 53 | #include "bncutils.h"
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[126] | 54 | #include "bncconst.h"
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[298] | 55 | #include "bnctabledlg.h"
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[301] | 56 | #include "bncgetthread.h"
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[223] | 57 | #include "RTCM3/rtcm3torinex.h"
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[75] | 58 |
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| 59 | using namespace std;
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| 60 |
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[73] | 61 | // Constructor
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| 62 | ////////////////////////////////////////////////////////////////////////////
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[256] | 63 | bncRinex::bncRinex(const char* StatID, const QUrl& mountPoint) {
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[77] | 64 | _statID = StatID;
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[256] | 65 | _mountPoint = mountPoint;
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[77] | 66 | _headerWritten = false;
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[132] | 67 |
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| 68 | QSettings settings;
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| 69 | _rnxScriptName = settings.value("rnxScript").toString();
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| 70 | expandEnvVar(_rnxScriptName);
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[153] | 71 |
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[157] | 72 | _pgmName = ((bncApp*)qApp)->bncVersion().leftJustified(20, ' ', true);
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[158] | 73 | _userName = QString("${USER}");
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[157] | 74 | expandEnvVar(_userName);
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[158] | 75 | _userName = _userName.leftJustified(20, ' ', true);
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[73] | 76 | }
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| 77 |
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| 78 | // Destructor
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| 79 | ////////////////////////////////////////////////////////////////////////////
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| 80 | bncRinex::~bncRinex() {
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[77] | 81 | _out.close();
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[73] | 82 | }
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| 83 |
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[82] | 84 | // Read Skeleton Header File
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| 85 | ////////////////////////////////////////////////////////////////////////////
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| 86 | void bncRinex::readSkeleton() {
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| 87 |
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[276] | 88 | _headerLines.clear();
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[82] | 89 |
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| 90 | // Read the File
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| 91 | // -------------
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[276] | 92 | QFile skl(_sklName);
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[82] | 93 | if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
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| 94 | QTextStream in(&skl);
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| 95 | while ( !in.atEnd() ) {
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| 96 | _headerLines.append( in.readLine() );
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| 97 | if (_headerLines.last().indexOf("END OF HEADER") != -1) {
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| 98 | break;
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| 99 | }
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| 100 | }
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| 101 | }
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[298] | 102 |
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| 103 | // Try to download the skeleton file
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| 104 | // ---------------------------------
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| 105 | else {
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| 106 | QStringList table;
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| 107 | bncTableDlg::getFullTable(_mountPoint.host(), _mountPoint.port(),
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| 108 | table, false);
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| 109 | QString net;
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| 110 | QStringListIterator it(table);
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| 111 | while (it.hasNext()) {
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| 112 | QString line = it.next();
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| 113 | if (line.indexOf("STR") == 0) {
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| 114 | QStringList tags = line.split(";");
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| 115 | if (tags.at(1) == _mountPoint.path().mid(1).toAscii()) {
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| 116 | net = tags.at(7);
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| 117 | break;
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| 118 | }
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| 119 | }
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| 120 | }
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| 121 | QString sklDir;
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| 122 | it.toFront();
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| 123 | while (it.hasNext()) {
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| 124 | QString line = it.next();
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| 125 | if (line.indexOf("NET") == 0) {
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| 126 | QStringList tags = line.split(";");
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| 127 | if (tags.at(1) == net) {
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[300] | 128 | sklDir = tags.at(6).trimmed();
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[298] | 129 | break;
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| 130 | }
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| 131 | }
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| 132 | }
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[300] | 133 | if (!sklDir.isEmpty() && sklDir != "none") {
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[301] | 134 | QUrl url(sklDir + "/" + _mountPoint.path().mid(1,4) + ".skl");
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[303] | 135 | if (url.port() == -1) {
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| 136 | url.setPort(80);
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| 137 | }
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[301] | 138 |
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| 139 | const int timeOut = 10*1000;
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| 140 | QString msg;
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| 141 | QTcpSocket* socket = bncGetThread::request(url, timeOut, msg);
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| 142 |
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| 143 | if (socket) {
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[304] | 144 | bool firstLineRead = false;
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[301] | 145 | while (true) {
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| 146 | if (socket->canReadLine()) {
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| 147 | QString line = socket->readLine();
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[304] | 148 | line.chop(1);
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| 149 | if (line.indexOf("RINEX VERSION") != -1) {
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| 150 | line = " 2.10 OBSERVATION DATA M (MIXED)"
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| 151 | " RINEX VERSION / TYPE";
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| 152 | firstLineRead = true;
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| 153 | }
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| 154 | if (firstLineRead) {
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| 155 | if (line.indexOf("END OF HEADER") != -1) {
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[307] | 156 | _headerLines.append("PGM / RUN BY / DATE");
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| 157 | _headerLines.append("# / TYPES OF OBSERV");
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| 158 | _headerLines.append("TIME OF FIRST OBS");
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| 159 | _headerLines.append( line );
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[304] | 160 | break;
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| 161 | }
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[307] | 162 | else {
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| 163 | _headerLines.append( line );
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| 164 | }
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[304] | 165 | }
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[301] | 166 | }
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| 167 | else {
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| 168 | socket->waitForReadyRead(timeOut);
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| 169 | if (socket->bytesAvailable() > 0) {
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| 170 | continue;
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| 171 | }
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| 172 | else {
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| 173 | break;
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| 174 | }
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| 175 | }
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| 176 | }
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| 177 | delete socket;
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| 178 | }
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[300] | 179 | }
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[298] | 180 | }
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[82] | 181 | }
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| 182 |
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| 183 | // File Name according to RINEX Standards
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| 184 | ////////////////////////////////////////////////////////////////////////////
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[125] | 185 | void bncRinex::resolveFileName(const QDateTime& datTim) {
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[82] | 186 |
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| 187 | QSettings settings;
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| 188 | QString path = settings.value("rnxPath").toString();
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| 189 | expandEnvVar(path);
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| 190 |
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| 191 | if ( path[path.length()-1] != QDir::separator() ) {
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| 192 | path += QDir::separator();
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| 193 | }
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| 194 |
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[127] | 195 | QString intStr = settings.value("rnxIntr").toString();
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| 196 | QString hlpStr;
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[129] | 197 |
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| 198 | QTime nextTime;
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| 199 | QDate nextDate;
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| 200 |
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[204] | 201 | int indHlp = intStr.indexOf("min");
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| 202 |
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| 203 | if ( indHlp != -1) {
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| 204 | int step = intStr.left(indHlp-1).toInt();
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[127] | 205 | char ch = 'A' + datTim.time().hour();
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| 206 | hlpStr = ch;
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[204] | 207 | if (datTim.time().minute() >= 60-step) {
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| 208 | hlpStr += QString("%1").arg(60-step, 2, 10, QChar('0'));
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[199] | 209 | if (datTim.time().hour() < 23) {
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| 210 | nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
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| 211 | nextDate = datTim.date();
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| 212 | }
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| 213 | else {
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| 214 | nextTime.setHMS(0, 0, 0);
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| 215 | nextDate = datTim.date().addDays(1);
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| 216 | }
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| 217 | }
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| 218 | else {
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[204] | 219 | for (int limit = step; limit <= 60-step; limit += step) {
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| 220 | if (datTim.time().minute() < limit) {
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| 221 | hlpStr += QString("%1").arg(limit-step, 2, 10, QChar('0'));
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| 222 | nextTime.setHMS(datTim.time().hour(), limit, 0);
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| 223 | nextDate = datTim.date();
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| 224 | break;
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| 225 | }
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[199] | 226 | }
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| 227 | }
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| 228 | }
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[127] | 229 | else if (intStr == "1 hour") {
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| 230 | char ch = 'A' + datTim.time().hour();
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| 231 | hlpStr = ch;
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[129] | 232 | if (datTim.time().hour() < 23) {
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| 233 | nextTime.setHMS(datTim.time().hour() + 1 , 0, 0);
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| 234 | nextDate = datTim.date();
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| 235 | }
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| 236 | else {
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| 237 | nextTime.setHMS(0, 0, 0);
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| 238 | nextDate = datTim.date().addDays(1);
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| 239 | }
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[127] | 240 | }
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| 241 | else {
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| 242 | hlpStr = "0";
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[129] | 243 | nextTime.setHMS(0, 0, 0);
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| 244 | nextDate = datTim.date().addDays(1);
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[127] | 245 | }
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[267] | 246 | _nextCloseEpoch = QDateTime(nextDate, nextTime);
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[82] | 247 |
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[183] | 248 | QString ID4 = _statID.left(4);
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| 249 |
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| 250 | // Check name conflict
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| 251 | // -------------------
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| 252 | QString distStr;
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| 253 | int num = 0;
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| 254 | QListIterator<QString> it(settings.value("mountPoints").toStringList());
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| 255 | while (it.hasNext()) {
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| 256 | QString mp = it.next();
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| 257 | if (mp.indexOf(ID4) != -1) {
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| 258 | ++num;
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| 259 | }
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| 260 | }
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| 261 | if (num > 1) {
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| 262 | distStr = "_" + _statID.mid(4);
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| 263 | }
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| 264 |
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[276] | 265 | QString sklExt = settings.value("rnxSkel").toString();
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| 266 | if (!sklExt.isEmpty()) {
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| 267 | _sklName = path + ID4 + distStr + "." + sklExt;
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| 268 | }
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| 269 |
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[183] | 270 | path += ID4 +
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[127] | 271 | QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
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[276] | 272 | hlpStr + distStr + datTim.toString(".yyO");
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[82] | 273 |
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| 274 | _fName = path.toAscii();
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| 275 | }
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| 276 |
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[77] | 277 | // Write RINEX Header
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| 278 | ////////////////////////////////////////////////////////////////////////////
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[267] | 279 | void bncRinex::writeHeader(const QDateTime& datTim,
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| 280 | const QDateTime& datTimNom) {
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[77] | 281 |
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| 282 | // Open the Output File
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| 283 | // --------------------
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[267] | 284 | resolveFileName(datTimNom);
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[260] | 285 |
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| 286 | // Append to existing file and return
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| 287 | // ----------------------------------
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| 288 | if ( QFile::exists(_fName) ) {
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| 289 | QSettings settings;
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| 290 | if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
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| 291 | _out.open(_fName.data(), ios::app);
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| 292 | _out.setf(ios::showpoint | ios::fixed);
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| 293 | _headerWritten = true;
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| 294 | return;
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| 295 | }
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| 296 | }
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| 297 |
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[82] | 298 | _out.open(_fName.data());
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[85] | 299 | _out.setf(ios::showpoint | ios::fixed);
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[77] | 300 |
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[82] | 301 | // Copy Skeleton Header
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| 302 | // --------------------
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[276] | 303 | readSkeleton();
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[82] | 304 | if (_headerLines.size() > 0) {
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| 305 | QStringListIterator it(_headerLines);
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| 306 | while (it.hasNext()) {
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| 307 | QString line = it.next();
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[157] | 308 | if (line.indexOf("PGM / RUN BY / DATE") != -1) {
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[159] | 309 | QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
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[157] | 310 | _out << _pgmName.toAscii().data() << _userName.toAscii().data()
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| 311 | << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
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| 312 | }
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| 313 | else if (line.indexOf("# / TYPES OF OBSERV") != -1) {
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[225] | 314 | _out << " 5 C1 P1 P2 L1 L2"
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| 315 | " # / TYPES OF OBSERV" << endl;
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[82] | 316 | }
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| 317 | else if (line.indexOf("TIME OF FIRST OBS") != -1) {
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[125] | 318 | _out << datTim.toString(" yyyy MM dd"
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| 319 | " hh mm ss.zzz0000").toAscii().data();
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| 320 | _out << " TIME OF FIRST OBS" << endl;
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[256] | 321 | QString hlp = QString("STREAM %1").arg(_mountPoint.host() + _mountPoint.path())
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[156] | 322 | .leftJustified(60, ' ', true);
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| 323 | _out << hlp.toAscii().data() << "COMMENT" << endl;
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[82] | 324 | }
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| 325 | else {
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| 326 | _out << line.toAscii().data() << endl;
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| 327 | }
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| 328 | }
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| 329 | }
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[78] | 330 |
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[82] | 331 | // Write Dummy Header
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| 332 | // ------------------
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| 333 | else {
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| 334 | double approxPos[3]; approxPos[0] = approxPos[1] = approxPos[2] = 0.0;
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| 335 | double antennaNEU[3]; antennaNEU[0] = antennaNEU[1] = antennaNEU[2] = 0.0;
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| 336 |
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[255] | 337 | _out << " 2.10 OBSERVATION DATA M (MIXED) RINEX VERSION / TYPE" << endl;
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[159] | 338 | QString hlp = QDate::currentDate().toString("dd-MMM-yyyy").leftJustified(20, ' ', true);
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[157] | 339 | _out << _pgmName.toAscii().data() << _userName.toAscii().data()
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| 340 | << hlp.toAscii().data() << "PGM / RUN BY / DATE" << endl;
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[86] | 341 | _out.setf(ios::left);
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[82] | 342 | _out << setw(60) << _statID.data() << "MARKER NAME" << endl;
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| 343 | _out << setw(60) << "BKG" << "OBSERVER / AGENCY" << endl;
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| 344 | _out << setw(20) << "unknown"
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| 345 | << setw(20) << "unknown"
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| 346 | << setw(20) << "unknown" << "REC # / TYPE / VERS" << endl;
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| 347 | _out << setw(20) << "unknown"
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| 348 | << setw(20) << "unknown"
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| 349 | << setw(20) << " " << "ANT # / TYPE" << endl;
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[86] | 350 | _out.unsetf(ios::left);
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[82] | 351 | _out << setw(14) << setprecision(4) << approxPos[0]
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| 352 | << setw(14) << setprecision(4) << approxPos[1]
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| 353 | << setw(14) << setprecision(4) << approxPos[2]
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| 354 | << " " << "APPROX POSITION XYZ" << endl;
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| 355 | _out << setw(14) << setprecision(4) << antennaNEU[0]
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| 356 | << setw(14) << setprecision(4) << antennaNEU[1]
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| 357 | << setw(14) << setprecision(4) << antennaNEU[2]
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| 358 | << " " << "ANTENNA: DELTA H/E/N" << endl;
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| 359 | _out << " 1 1 WAVELENGTH FACT L1/2" << endl;
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[225] | 360 | _out << " 5 C1 P1 P2 L1 L2 # / TYPES OF OBSERV" << endl;
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[125] | 361 | _out << datTim.toString(" yyyy MM dd"
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| 362 | " hh mm ss.zzz0000").toAscii().data();
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| 363 | _out << " " << "TIME OF FIRST OBS" << endl;
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[256] | 364 | hlp = QString("STREAM %1").arg(_mountPoint.host() + _mountPoint.path())
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[157] | 365 | .leftJustified(60, ' ', true);
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[156] | 366 | _out << hlp.toAscii().data() << "COMMENT" << endl;
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[82] | 367 | _out << " END OF HEADER" << endl;
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| 368 | }
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[78] | 369 |
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[77] | 370 | _headerWritten = true;
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| 371 | }
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| 372 |
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[73] | 373 | // Stores Observation into Internal Array
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| 374 | ////////////////////////////////////////////////////////////////////////////
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| 375 | void bncRinex::deepCopy(const Observation* obs) {
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[74] | 376 | Observation* newObs = new Observation();
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| 377 | memcpy(newObs, obs, sizeof(*obs));
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| 378 | _obs.push_back(newObs);
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[73] | 379 | }
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| 380 |
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| 381 | // Write One Epoch into the RINEX File
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| 382 | ////////////////////////////////////////////////////////////////////////////
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[160] | 383 | void bncRinex::dumpEpoch(long maxTime) {
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[73] | 384 |
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[160] | 385 | // Select observations older than maxTime
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| 386 | // --------------------------------------
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| 387 | QList<Observation*> dumpList;
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| 388 | QMutableListIterator<Observation*> mIt(_obs);
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| 389 | while (mIt.hasNext()) {
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| 390 | Observation* ob = mIt.next();
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[238] | 391 | if (ob->GPSWeek * 7*24*3600 + ob->GPSWeeks < maxTime - 0.05) {
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[160] | 392 | dumpList.push_back(ob);
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| 393 | mIt.remove();
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| 394 | }
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| 395 | }
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| 396 |
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[75] | 397 | // Easy Return
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| 398 | // -----------
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[160] | 399 | if (dumpList.isEmpty()) {
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[75] | 400 | return;
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| 401 | }
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| 402 |
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| 403 | // Time of Epoch
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| 404 | // -------------
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[222] | 405 | Observation* fObs = *dumpList.begin();
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[267] | 406 | QDateTime datTim = dateAndTimeFromGPSweek(fObs->GPSWeek, fObs->GPSWeeks);
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| 407 | QDateTime datTimNom = dateAndTimeFromGPSweek(fObs->GPSWeek,
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| 408 | floor(fObs->GPSWeeks+0.5));
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[75] | 409 |
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[130] | 410 | // Close the file
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| 411 | // --------------
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[267] | 412 | if (_nextCloseEpoch.isValid() && datTimNom >= _nextCloseEpoch) {
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[130] | 413 | closeFile();
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| 414 | _headerWritten = false;
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| 415 | }
|
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| 416 |
|
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[78] | 417 | // Write RINEX Header
|
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| 418 | // ------------------
|
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| 419 | if (!_headerWritten) {
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[267] | 420 | writeHeader(datTim, datTimNom);
|
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[78] | 421 | }
|
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| 422 |
|
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[131] | 423 | _out << datTim.toString(" yy MM dd hh mm ss.zzz0000").toAscii().data()
|
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[160] | 424 | << " " << 0 << setw(3) << dumpList.size();
|
---|
[75] | 425 |
|
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[160] | 426 | QListIterator<Observation*> it(dumpList); int iSat = 0;
|
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[74] | 427 | while (it.hasNext()) {
|
---|
[75] | 428 | iSat++;
|
---|
| 429 | Observation* ob = it.next();
|
---|
[223] | 430 | int prn = ob->SVPRN;
|
---|
| 431 | if (prn <= PRN_GPS_END) {
|
---|
| 432 | _out << "G" << setw(2) << prn;
|
---|
| 433 | }
|
---|
| 434 | else if (prn >= PRN_GLONASS_START && prn <= PRN_GLONASS_END) {
|
---|
| 435 | _out << "R" << setw(2) << prn - PRN_GLONASS_START + 1;
|
---|
| 436 | }
|
---|
| 437 | else {
|
---|
[224] | 438 | _out << "R" << setw(2) << prn % 100;
|
---|
[223] | 439 | }
|
---|
[75] | 440 | if (iSat == 12 && it.hasNext()) {
|
---|
[77] | 441 | _out << endl << " ";
|
---|
[75] | 442 | iSat = 0;
|
---|
| 443 | }
|
---|
[74] | 444 | }
|
---|
[77] | 445 | _out << endl;
|
---|
[75] | 446 |
|
---|
| 447 | it.toFront();
|
---|
| 448 | while (it.hasNext()) {
|
---|
| 449 | Observation* ob = it.next();
|
---|
[77] | 450 |
|
---|
| 451 | char lli = ' ';
|
---|
| 452 | char snr = ' ';
|
---|
| 453 | _out << setw(14) << setprecision(3) << ob->C1 << lli << snr;
|
---|
[225] | 454 | _out << setw(14) << setprecision(3) << ob->P1 << lli << snr;
|
---|
[77] | 455 | _out << setw(14) << setprecision(3) << ob->P2 << lli << snr;
|
---|
[222] | 456 | _out << setw(14) << setprecision(3) << ob->L1 << lli << snr;
|
---|
| 457 | _out << setw(14) << setprecision(3) << ob->L2 << lli << snr;
|
---|
[77] | 458 | _out << endl;
|
---|
| 459 |
|
---|
[75] | 460 | delete ob;
|
---|
| 461 | }
|
---|
| 462 |
|
---|
[77] | 463 | _out.flush();
|
---|
[73] | 464 | }
|
---|
| 465 |
|
---|
[130] | 466 | // Close the Old RINEX File
|
---|
| 467 | ////////////////////////////////////////////////////////////////////////////
|
---|
| 468 | void bncRinex::closeFile() {
|
---|
| 469 | _out.close();
|
---|
[132] | 470 | if (!_rnxScriptName.isEmpty()) {
|
---|
[292] | 471 | system( QString(_rnxScriptName + " " + _fName + " &").toAscii().data() );
|
---|
[132] | 472 | }
|
---|
[130] | 473 | }
|
---|