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: bncFigure
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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 "bncfigure.h"
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44 | #include "bncsettings.h"
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45 |
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46 | using namespace std;
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47 |
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48 | // Constructor
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49 | ////////////////////////////////////////////////////////////////////////////
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50 | bncFigure::bncFigure(QWidget *parent) : QWidget(parent) {
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51 | updateMountPoints();
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52 | slotNextAnimationFrame();
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53 | for (int ii = 0; ii <= 1000; ii++) {
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54 | _rgb[0][ii] = qrand() % 255;
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55 | _rgb[2][ii] = qrand() % 255;
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56 | _rgb[1][ii] = qrand() % 255;
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57 | }
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58 | }
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59 |
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60 | // Destructor
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61 | ////////////////////////////////////////////////////////////////////////////
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62 | bncFigure::~bncFigure() {
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63 | }
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64 |
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65 | //
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66 | ////////////////////////////////////////////////////////////////////////////
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67 | void bncFigure::updateMountPoints() {
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68 | QMutexLocker locker(&_mutex);
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69 |
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70 | _counter = 0;
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71 | _maxRate = 0;
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72 |
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73 | QMapIterator<QByteArray, sumAndMean*> it1(_bytes);
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74 | while (it1.hasNext()) {
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75 | it1.next();
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76 | delete it1.value();
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77 | }
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78 | _bytes.clear();
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79 |
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80 | bncSettings settings;
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81 | QListIterator<QString> it(settings.value("mountPoints").toStringList());
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82 | while (it.hasNext()) {
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83 | QStringList hlp = it.next().split(" ");
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84 | QUrl url(hlp[0]);
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85 | QByteArray staID = url.path().mid(1).toAscii();
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86 | _bytes[staID] = new sumAndMean();
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87 | }
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88 | }
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89 |
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90 | //
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91 | ////////////////////////////////////////////////////////////////////////////
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92 | void bncFigure::slotNewData(const QByteArray staID, double nbyte) {
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93 | QMutexLocker locker(&_mutex);
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94 | QMap<QByteArray, sumAndMean*>::const_iterator it = _bytes.find(staID);
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95 | if (it != _bytes.end()) {
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96 | it.value()->_sum += nbyte;
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97 | }
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98 | }
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99 |
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100 | //
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101 | ////////////////////////////////////////////////////////////////////////////
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102 | void bncFigure::slotNextAnimationFrame() {
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103 | QMutexLocker locker(&_mutex);
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104 |
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105 | const static int MAXCOUNTER = 10;
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106 |
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107 | ++_counter;
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108 |
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109 | // If counter reaches its maximal value, compute the mean rate
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110 | // -----------------------------------------------------------
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111 | if (_counter == MAXCOUNTER) {
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112 | _maxRate = 0.0;
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113 | QMapIterator<QByteArray, sumAndMean*> it(_bytes);
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114 | while (it.hasNext()) {
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115 | it.next();
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116 | it.value()->_mean = it.value()->_sum / _counter;
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117 | it.value()->_sum = 0.0;
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118 | if (it.value()->_mean > _maxRate) {
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119 | _maxRate = it.value()->_mean;
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120 | }
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121 | }
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122 | _counter = 0;
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123 | }
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124 |
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125 | update();
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126 |
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127 | QTimer::singleShot(1000, this, SLOT(slotNextAnimationFrame()));
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128 | }
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129 |
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130 | //
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131 | ////////////////////////////////////////////////////////////////////////////
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132 | void bncFigure::paintEvent(QPaintEvent *) {
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133 |
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134 | int xMin = 0;
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135 | int xMax = 640;
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136 | int yMin = 0;
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137 | int yMax = 140;
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138 | float xLine = .60;
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139 |
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140 | QPainter painter(this);
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141 |
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142 | QFont font;
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143 | font.setPointSize(int(font.QFont::pointSize()*0.8));
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144 | painter.setFont(font);
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145 |
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146 | // y-axis
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147 | // ------
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148 | int yLength = int((yMax-yMin)*xLine) - (yMin+10);
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149 | painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMin+60, yMin+10);
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150 |
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151 | QString maxRateStr;
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152 | if (8.0 * _maxRate < 1e3) {
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153 | maxRateStr = QString("%1 bps ").arg(int(8.0 * _maxRate));
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154 | painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 bps "));
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155 | }
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156 | else if (8.0 * _maxRate < 1e6) {
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157 | maxRateStr = QString("%1 kbps ").arg(int(8.0 * _maxRate / 1.e3));
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158 | painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 kbps "));
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159 | }
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160 | else {
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161 | maxRateStr = QString("%1 Mbps ").arg(int(8.0 * _maxRate / 1.e6));
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162 | painter.drawText(0, int((yMax-yMin)*xLine)-5, xMin+60,15,Qt::AlignRight,tr("0 Mbps "));
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163 | }
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164 |
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165 | if(_maxRate > 0.0) {
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166 | painter.drawText(0, yMin+25-5, xMin+60,15,Qt::AlignRight,maxRateStr);
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167 | }
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168 |
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169 | // x-axis
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170 | // ------
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171 | painter.drawLine(xMin+60, int((yMax-yMin)*xLine), xMax*3, int((yMax-yMin)*xLine));
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172 |
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173 | int anchor = 0;
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174 | QMapIterator<QByteArray, sumAndMean*> it(_bytes);
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175 | while (it.hasNext()) {
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176 | it.next();
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177 | QByteArray staID = it.key();
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178 |
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179 | int xx = xMin+80+anchor*12;
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180 |
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181 | if(_maxRate > 0.0) {
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182 | int yy = int(yLength * (it.value()->_mean / _maxRate));
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183 | QColor color = QColor::fromRgb(_rgb[0][anchor],_rgb[1][anchor],_rgb[2][anchor]);
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184 | painter.fillRect(xx-13, int((yMax-yMin)*xLine)-yy, 9, yy,
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185 | QBrush(color,Qt::SolidPattern));
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186 | painter.setPen(Qt::black);
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187 | if(it.value()->_mean<=0) {
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188 | painter.setPen(Qt::red);
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189 | }
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190 | }
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191 |
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192 | painter.save();
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193 | painter.translate(xx-13, int(yMax-yMin)*xLine+65);
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194 | painter.rotate(-90);
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195 | painter.drawText(0,0,65,50,Qt::AlignRight,staID.left(5) + " ");
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196 | painter.restore();
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197 |
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198 | anchor++;
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199 | }
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200 | }
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201 |
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