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 | //
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4 | // Copyright (C) 2007
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5 | // German Federal Agency for Cartography and Geodesy (BKG)
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6 | // http://www.bkg.bund.de
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7 | // Czech Technical University Prague, Department of Geodesy
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8 | // http://www.fsv.cvut.cz
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9 | //
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10 | // Email: euref-ip@bkg.bund.de
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11 | //
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12 | // This program is free software; you can redistribute it and/or
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13 | // modify it under the terms of the GNU General Public License
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14 | // as published by the Free Software Foundation, version 2.
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15 | //
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16 | // This program is distributed in the hope that it will be useful,
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17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | // GNU General Public License for more details.
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20 | //
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21 | // You should have received a copy of the GNU General Public License
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22 | // along with this program; if not, write to the Free Software
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23 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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24 |
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25 | /* -------------------------------------------------------------------------
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26 | * BKG NTRIP Client
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27 | * -------------------------------------------------------------------------
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28 | *
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29 | * Class: bncFigurePPP
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30 | *
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31 | * Purpose:
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32 | *
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33 | * Author: Perlt, Mervart
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34 | *
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35 | * Created: 11-Nov-2009
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36 | *
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37 | * Changes:
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38 | *
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39 | * -----------------------------------------------------------------------*/
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40 |
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41 | #include <iostream>
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42 |
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43 | #include "bncfigureppp.h"
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44 | #include "bncsettings.h"
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45 | #include "bncutils.h"
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46 |
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47 | using namespace std;
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48 |
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49 | // Constructor
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50 | ////////////////////////////////////////////////////////////////////////////
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51 | bncFigurePPP::bncFigurePPP(QWidget *parent) : QWidget(parent) {
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52 | }
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53 |
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54 | // Destructor
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55 | ////////////////////////////////////////////////////////////////////////////
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56 | bncFigurePPP::~bncFigurePPP() {
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57 | for (int ii = 0; ii < _pos.size(); ++ii) {
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58 | delete _pos[ii];
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59 | }
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60 | }
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61 |
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62 | //
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63 | ////////////////////////////////////////////////////////////////////////////
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64 | void bncFigurePPP::slotNewPosition(bncTime time, double x, double y, double z){
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65 |
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66 | const static int MAXNUMPOS = 300;
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67 |
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68 | QMutexLocker locker(&_mutex);
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69 |
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70 | pppPos* newPos = new pppPos;
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71 |
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72 | newPos->time = time;
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73 | newPos->xyz[0] = x;
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74 | newPos->xyz[1] = y;
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75 | newPos->xyz[2] = z;
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76 |
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77 | _pos.push_back(newPos);
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78 |
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79 | if (_pos.size() > MAXNUMPOS) {
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80 | delete _pos[0];
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81 | _pos.pop_front();
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82 | }
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83 |
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84 | update();
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85 | }
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86 |
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87 | // Coordinate Transformation
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88 | ////////////////////////////////////////////////////////////////////////////
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89 | QPoint bncFigurePPP::pltPoint(double tt, double yy) {
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90 |
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91 | const static double scale0 = 0.9;
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92 | double tScale = scale0 * _width / _tRange;
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93 | double yScale = scale0 * _height / (2.0 * _neuMax);
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94 | double tOffset = _tRange / 10.0;
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95 | double yOffset = _neuMax / 10.0;
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96 |
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97 | int tNew = int( (tt - _tMin + tOffset) * tScale );
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98 | int yNew = int( (yy + _neuMax + yOffset) * yScale );
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99 |
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100 | return QPoint(tNew, yNew);
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101 | }
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102 |
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103 | //
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104 | ////////////////////////////////////////////////////////////////////////////
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105 | void bncFigurePPP::paintEvent(QPaintEvent *) {
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106 |
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107 | QPainter painter(this);
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108 | _width = painter.viewport().width();
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109 | _height = painter.viewport().height();
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110 |
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111 | // Plot X-coordinates as a function of time (in seconds)
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112 | // -----------------------------------------------------
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113 | if (_pos.size() > 1) {
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114 |
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115 | // Find the minimum and maximum values
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116 | // -----------------------------------
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117 | _tRange = _pos[_pos.size()-1]->time - _pos[0]->time; // in sec
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118 | _tMin = _pos[0]->time.gpssec();
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119 |
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120 | _neuMax = 0.0;
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121 |
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122 | double xyzRef[3];
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123 | xyzRef[0] = _pos[0]->xyz[0];
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124 | xyzRef[1] = _pos[0]->xyz[1];
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125 | xyzRef[2] = _pos[0]->xyz[2];
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126 | double ellRef[3];
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127 | xyz2ell(xyzRef, ellRef);
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128 |
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129 | // North, East and Up differences wrt Reference Coordinates
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130 | // --------------------------------------------------------
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131 | double neu[_pos.size()][3];
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132 | for (int ii = 0; ii < _pos.size(); ++ii) {
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133 | double dXYZ[3];
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134 | for (int ic = 0; ic < 3; ++ic) {
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135 | dXYZ[ic] = _pos[ii]->xyz[ic] - xyzRef[ic];
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136 | }
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137 | xyz2neu(ellRef, dXYZ, neu[ii]);
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138 | for (int ic = 0; ic < 3; ++ic) {
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139 | if (fabs(neu[ii][ic]) > _neuMax) {
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140 | _neuMax = fabs(neu[ii][ic]);
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141 | }
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142 | }
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143 | }
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144 |
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145 | if (_neuMax > 0.0 && _tRange > 0.0) {
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146 |
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147 | // x-axis
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148 | // ------
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149 | painter.drawLine(pltPoint(_tMin, 0.0), pltPoint(_tMin+_tRange, 0.0));
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150 |
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151 | // y-axis
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152 | // ------
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153 | painter.drawLine(pltPoint(_tMin, -_neuMax), pltPoint(_tMin, _neuMax));
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154 |
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155 | for (int ii = 1; ii < _pos.size(); ++ii) {
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156 | double t1 = _tMin + (_pos[ii-1]->time - _pos[0]->time);
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157 | double t2 = _tMin + (_pos[ii]->time - _pos[0]->time);
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158 | painter.setPen(QColor(Qt::red));
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159 | painter.drawLine(pltPoint(t1, neu[ii-1][0]), pltPoint(t2, neu[ii][0]));
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160 | painter.setPen(QColor(Qt::green));
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161 | painter.drawLine(pltPoint(t1, neu[ii-1][1]), pltPoint(t2, neu[ii][1]));
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162 | painter.setPen(QColor(Qt::blue));
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163 | painter.drawLine(pltPoint(t1, neu[ii-1][2]), pltPoint(t2, neu[ii][2]));
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164 | }
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165 | }
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166 | }
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167 | }
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168 |
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