1 |
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2 | /* -------------------------------------------------------------------------
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3 | * BKG NTRIP Client
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4 | * -------------------------------------------------------------------------
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5 | *
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6 | * Class: bncRinex
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7 | *
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8 | * Purpose: writes RINEX files
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9 | *
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10 | * Author: L. Mervart
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11 | *
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12 | * Created: 27-Aug-2006
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13 | *
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14 | * Changes:
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15 | *
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16 | * -----------------------------------------------------------------------*/
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17 |
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18 | #include <QSettings>
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19 | #include <QDir>
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20 | #include <QDate>
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21 | #include <QFile>
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22 | #include <QTextStream>
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23 | #include <iomanip>
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24 |
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25 | #include "bncrinex.h"
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26 | #include "bncutils.h"
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27 | #include "bncconst.h"
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28 |
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29 | using namespace std;
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30 |
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31 | // Constructor
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32 | ////////////////////////////////////////////////////////////////////////////
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33 | bncRinex::bncRinex(const char* StatID) {
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34 | _statID = StatID;
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35 | _headerWritten = false;
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36 | readSkeleton();
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37 | }
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38 |
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39 | // Destructor
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40 | ////////////////////////////////////////////////////////////////////////////
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41 | bncRinex::~bncRinex() {
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42 | _out.close();
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43 | }
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44 |
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45 | // Read Skeleton Header File
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46 | ////////////////////////////////////////////////////////////////////////////
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47 | void bncRinex::readSkeleton() {
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48 |
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49 | // Resolve Skeleton File Name
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50 | // --------------------------
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51 | QSettings settings;
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52 | QString sklName = settings.value("rnxPath").toString();
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53 | expandEnvVar(sklName);
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54 | if ( sklName[sklName.length()-1] != QDir::separator() ) {
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55 | sklName += QDir::separator();
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56 | }
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57 | sklName += _statID.left(4) + "." + settings.value("rnxSkel").toString();
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58 |
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59 | // Read the File
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60 | // -------------
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61 | QFile skl(sklName);
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62 | if ( skl.exists() && skl.open(QIODevice::ReadOnly) ) {
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63 | QTextStream in(&skl);
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64 | while ( !in.atEnd() ) {
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65 | _headerLines.append( in.readLine() );
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66 | if (_headerLines.last().indexOf("END OF HEADER") != -1) {
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67 | break;
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68 | }
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69 | }
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70 | }
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71 | }
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72 |
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73 | // File Name according to RINEX Standards
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74 | ////////////////////////////////////////////////////////////////////////////
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75 | void bncRinex::resolveFileName(const QDateTime& datTim) {
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76 |
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77 | QSettings settings;
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78 | QString path = settings.value("rnxPath").toString();
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79 | expandEnvVar(path);
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80 |
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81 | if ( path[path.length()-1] != QDir::separator() ) {
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82 | path += QDir::separator();
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83 | }
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84 |
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85 | QString intStr = settings.value("rnxIntr").toString();
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86 | QString hlpStr;
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87 | if (intStr == "15 min") {
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88 | char ch = 'A' + datTim.time().hour();
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89 | hlpStr = ch;
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90 | if (datTim.time().minute() < 15) {
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91 | hlpStr += "00";
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92 | }
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93 | else if (datTim.time().minute() < 30) {
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94 | hlpStr += "15";
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95 | }
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96 | else if (datTim.time().minute() < 45) {
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97 | hlpStr += "30";
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98 | }
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99 | else {
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100 | hlpStr += "45";
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101 | }
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102 | }
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103 | else if (intStr == "1 hour") {
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104 | char ch = 'A' + datTim.time().hour();
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105 | hlpStr = ch;
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106 | }
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107 | else {
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108 | hlpStr = "0";
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109 | }
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110 |
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111 | path += _statID.left(4) +
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112 | QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
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113 | hlpStr +
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114 | datTim.toString(".yyO");
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115 |
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116 | _fName = path.toAscii();
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117 | }
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118 |
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119 | // Write RINEX Header
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120 | ////////////////////////////////////////////////////////////////////////////
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121 | void bncRinex::writeHeader(const QDateTime& datTim) {
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122 |
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123 | // Open the Output File
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124 | // --------------------
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125 | resolveFileName(datTim);
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126 | _out.open(_fName.data());
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127 | _out.setf(ios::showpoint | ios::fixed);
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128 |
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129 | // Copy Skeleton Header
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130 | // --------------------
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131 | if (_headerLines.size() > 0) {
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132 | QStringListIterator it(_headerLines);
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133 | while (it.hasNext()) {
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134 | QString line = it.next();
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135 | if (line.indexOf("# / TYPES OF OBSERV") != -1) {
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136 | _out << " 4 P1 P2 L1 L2"
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137 | " # / TYPES OF OBSERV" << endl;
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138 | }
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139 | else if (line.indexOf("TIME OF FIRST OBS") != -1) {
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140 | _out << datTim.toString(" yyyy MM dd"
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141 | " hh mm ss.zzz0000").toAscii().data();
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142 | _out << " TIME OF FIRST OBS" << endl;
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143 | }
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144 | else {
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145 | _out << line.toAscii().data() << endl;
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146 | }
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147 | }
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148 | }
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149 |
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150 | // Write Dummy Header
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151 | // ------------------
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152 | else {
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153 | double approxPos[3]; approxPos[0] = approxPos[1] = approxPos[2] = 0.0;
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154 | double antennaNEU[3]; antennaNEU[0] = antennaNEU[1] = antennaNEU[2] = 0.0;
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155 |
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156 | _out << " 2.10 OBSERVATION DATA G (GPS) RINEX VERSION / TYPE" << endl;
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157 | _out << "BNC LM 27-Aug-2006 PGM / RUN BY / DATE" << endl;
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158 | _out.setf(ios::left);
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159 | _out << setw(60) << _statID.data() << "MARKER NAME" << endl;
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160 | _out << setw(60) << "BKG" << "OBSERVER / AGENCY" << endl;
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161 | _out << setw(20) << "unknown"
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162 | << setw(20) << "unknown"
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163 | << setw(20) << "unknown" << "REC # / TYPE / VERS" << endl;
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164 | _out << setw(20) << "unknown"
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165 | << setw(20) << "unknown"
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166 | << setw(20) << " " << "ANT # / TYPE" << endl;
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167 | _out.unsetf(ios::left);
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168 | _out << setw(14) << setprecision(4) << approxPos[0]
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169 | << setw(14) << setprecision(4) << approxPos[1]
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170 | << setw(14) << setprecision(4) << approxPos[2]
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171 | << " " << "APPROX POSITION XYZ" << endl;
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172 | _out << setw(14) << setprecision(4) << antennaNEU[0]
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173 | << setw(14) << setprecision(4) << antennaNEU[1]
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174 | << setw(14) << setprecision(4) << antennaNEU[2]
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175 | << " " << "ANTENNA: DELTA H/E/N" << endl;
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176 | _out << " 1 1 WAVELENGTH FACT L1/2" << endl;
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177 | _out << " 4 P1 P2 L1 L2 # / TYPES OF OBSERV" << endl;
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178 | _out << datTim.toString(" yyyy MM dd"
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179 | " hh mm ss.zzz0000").toAscii().data();
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180 | _out << " " << "TIME OF FIRST OBS" << endl;
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181 | _out << " END OF HEADER" << endl;
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182 | }
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183 |
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184 | _headerWritten = true;
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185 | }
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186 |
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187 | // Stores Observation into Internal Array
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188 | ////////////////////////////////////////////////////////////////////////////
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189 | void bncRinex::deepCopy(const Observation* obs) {
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190 | Observation* newObs = new Observation();
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191 | memcpy(newObs, obs, sizeof(*obs));
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192 | _obs.push_back(newObs);
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193 | }
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194 |
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195 | // Write One Epoch into the RINEX File
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196 | ////////////////////////////////////////////////////////////////////////////
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197 | void bncRinex::dumpEpoch() {
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198 |
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199 | // Easy Return
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200 | // -----------
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201 | if (_obs.isEmpty()) {
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202 | return;
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203 | }
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204 |
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205 | // Time of Epoch
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206 | // -------------
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207 | Observation* firstObs = *_obs.begin();
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208 |
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209 | QDateTime datTim = dateAndTimeFromGPSweek( firstObs->GPSWeek,
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210 | firstObs->GPSWeeks +
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211 | fmod(firstObs->sec, 1.0) );
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212 |
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213 | // Write RINEX Header
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214 | // ------------------
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215 | if (!_headerWritten) {
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216 | writeHeader(datTim);
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217 | }
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218 |
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219 | _out << datTim.toString(" yy MM dd hh mm ss.zzz0000").toAscii().data();
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220 |
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221 | QListIterator<Observation*> it(_obs); int iSat = 0;
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222 | while (it.hasNext()) {
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223 | iSat++;
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224 | Observation* ob = it.next();
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225 | _out << " " << setw(2) << int(ob->SVPRN);
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226 | if (iSat == 12 && it.hasNext()) {
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227 | _out << endl << " ";
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228 | iSat = 0;
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229 | }
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230 | }
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231 | _out << endl;
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232 |
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233 | it.toFront();
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234 | while (it.hasNext()) {
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235 | Observation* ob = it.next();
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236 |
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237 | char lli = ' ';
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238 | char snr = ' ';
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239 | _out << setw(14) << setprecision(3) << ob->C1 << lli << snr;
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240 | _out << setw(14) << setprecision(3) << ob->P2 << lli << snr;
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241 | _out << setw(14) << setprecision(3) << ob->L1 / t_CST::lambda1 << lli << snr;
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242 | _out << setw(14) << setprecision(3) << ob->L2 / t_CST::lambda2 << lli << snr;
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243 | _out << endl;
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244 |
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245 | delete ob;
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246 | }
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247 |
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248 | _out.flush();
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249 | _obs.clear();
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250 | }
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251 |
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