[4836] | 1 |
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| 2 | /* -------------------------------------------------------------------------
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| 3 | * RTNet GUI
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| 4 | * -------------------------------------------------------------------------
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| 5 | *
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[5406] | 6 | * Class: t_map_stations
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[4836] | 7 | *
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| 8 | * Purpose: Plot map of stations/satellites
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| 9 | *
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| 10 | * Author: L. Mervart
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| 11 | *
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| 12 | * Created: 05-Jan-2013
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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 <QtSvg>
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| 19 |
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| 20 | #include <qwt_symbol.h>
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| 21 | #include <qwt_plot.h>
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| 22 | #include <qwt_plot_svgitem.h>
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| 23 | #include <qwt_plot_curve.h>
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| 24 | #include <qwt_plot_marker.h>
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| 25 | #include <qwt_plot_canvas.h>
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| 26 | #include <qwt_plot_zoomer.h>
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| 27 | #include <qwt_plot_renderer.h>
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| 28 |
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[5406] | 29 | #include "map_stations.h"
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[5416] | 30 | #include "thriftclient.h"
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[4836] | 31 |
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[4858] | 32 | using namespace std;
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[5001] | 33 | using namespace GnssCenter;
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[4858] | 34 |
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[5406] | 35 | Q_EXPORT_PLUGIN2(gnsscenter_map_stations, GnssCenter::t_map_stationsFactory)
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[5018] | 36 |
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[4836] | 37 | // Constructor
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| 38 | /////////////////////////////////////////////////////////////////////////////
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[5406] | 39 | t_map_stations::t_map_stations() : QDialog() {
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[4836] | 40 |
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| 41 | // Map in Scalable Vector Graphics (svg) Format
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| 42 | // --------------------------------------------
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| 43 | _mapPlot = new QwtPlot();
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| 44 |
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| 45 | _mapPlot->setAxisScale(QwtPlot::xBottom, -180.0, 180.0);
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| 46 | _mapPlot->setAxisScale(QwtPlot::yLeft, -90.0, 90.0);
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| 47 |
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| 48 | _mapPlotZoomer = new QwtPlotZoomer(_mapPlot->canvas());
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| 49 |
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| 50 | _mapPlot->canvas()->setFocusPolicy(Qt::WheelFocus);
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| 51 |
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| 52 | QwtPlotSvgItem* mapItem = new QwtPlotSvgItem();
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[4859] | 53 | mapItem->loadFile(QRectF(-180.0, -90.0, 360.0, 180.0), ":world.svg");
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[4836] | 54 | mapItem->attach(_mapPlot);
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| 55 |
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| 56 | // Buttons
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| 57 | // -------
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| 58 | int ww = QFontMetrics(font()).width('w');
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| 59 |
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| 60 | _buttonClose = new QPushButton(tr("Close"), this);
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| 61 | _buttonClose->setMaximumWidth(10*ww);
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| 62 | connect(_buttonClose, SIGNAL(clicked()), this, SLOT(slotClose()));
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| 63 |
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| 64 | _buttonPrint = new QPushButton(tr("Print"), this);
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| 65 | _buttonPrint->setMaximumWidth(10*ww);
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| 66 | connect(_buttonPrint, SIGNAL(clicked()), this, SLOT(slotPrint()));
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| 67 |
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| 68 | _buttonWhatsThis = new QPushButton(tr("Help=Shift+F1"), this);
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| 69 | _buttonWhatsThis->setMaximumWidth(10*ww);
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| 70 | connect(_buttonWhatsThis, SIGNAL(clicked()), this, SLOT(slotWhatsThis()));
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| 71 |
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| 72 | // Layout
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| 73 | // ------
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| 74 | QHBoxLayout* buttonLayout = new QHBoxLayout;
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| 75 | buttonLayout->addWidget(_buttonClose);
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| 76 | buttonLayout->addWidget(_buttonPrint);
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| 77 | buttonLayout->addWidget(_buttonWhatsThis);
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| 78 |
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| 79 | QVBoxLayout* mainLayout = new QVBoxLayout(this);
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| 80 | mainLayout->addWidget(_mapPlot);
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| 81 | mainLayout->addLayout(buttonLayout);
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| 82 |
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| 83 | // WhatsThis
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| 84 | // ---------
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| 85 | _buttonClose->setWhatsThis(tr("<p>Close window.</p>"));
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| 86 | _buttonPrint->setWhatsThis(tr("<p>Print stream distribution map.</p>"));
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| 87 |
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| 88 | // Minimal and Maximal Coordinates
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| 89 | // -------------------------------
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| 90 | _minPointLat = 0.0;
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| 91 | _maxPointLat = 0.0;
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| 92 | _minPointLon = 0.0;
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| 93 | _maxPointLon = 0.0;
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| 94 |
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| 95 | // Important
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| 96 | // ---------
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| 97 | _mapPlot->replot();
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[5410] | 98 |
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| 99 | // Thrift Client;
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[5415] | 100 | // --------------
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[5416] | 101 | _thriftClient = new t_thriftClient(this);
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[5410] | 102 | _thriftClient->start();
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[4836] | 103 | }
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| 104 |
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| 105 | // Destructor
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| 106 | /////////////////////////////////////////////////////////////////////////////
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[5406] | 107 | t_map_stations::~t_map_stations() {
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[4836] | 108 | delete _mapPlot;
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| 109 | delete _buttonWhatsThis;
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[5414] | 110 | _thriftClient->stop();
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[4836] | 111 | }
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| 112 |
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| 113 | //
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| 114 | /////////////////////////////////////////////////////////////////////////////
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[5406] | 115 | void t_map_stations::slotNewPoint(const QString& name, double latDeg, double lonDeg) {
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[4836] | 116 |
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| 117 | if (lonDeg > 180.0) lonDeg -= 360.0;
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| 118 |
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| 119 | QColor red(220,20,60);
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| 120 | QwtSymbol* symbol = new QwtSymbol(QwtSymbol::Rect, QBrush(red),
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| 121 | QPen(red), QSize(2,2));
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| 122 | QwtPlotMarker* marker = new QwtPlotMarker();
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| 123 | marker->setValue(lonDeg, latDeg);
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| 124 | if (lonDeg > 170.0) {
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| 125 | marker->setLabelAlignment(Qt::AlignLeft);
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| 126 | }
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| 127 | else {
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| 128 | marker->setLabelAlignment(Qt::AlignRight);
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| 129 | }
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| 130 | QwtText text(name.left(4));
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| 131 | QFont font = text.font();
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| 132 | font.setPointSize(font.pointSize()*0.8);
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| 133 | text.setFont(font);
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| 134 | marker->setLabel(text);
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| 135 | marker->setSymbol(symbol);
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| 136 | marker->attach(_mapPlot);
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| 137 |
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| 138 | // Remeber minimal and maximal coordinates
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| 139 | // ---------------------------------------
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| 140 | if (_minPointLat == 0.0 && _maxPointLat == 0.0 &&
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| 141 | _minPointLon == 0.0 && _maxPointLon == 0.0) {
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| 142 | _minPointLat = latDeg;
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| 143 | _maxPointLat = latDeg;
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| 144 | _minPointLon = lonDeg;
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| 145 | _maxPointLon = lonDeg;
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| 146 | }
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| 147 | else {
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| 148 | if (_maxPointLat < latDeg) {
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| 149 | _maxPointLat = latDeg;
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| 150 | }
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| 151 | else if (_minPointLat > latDeg) {
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| 152 | _minPointLat = latDeg;
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| 153 | }
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| 154 | if (_maxPointLon < lonDeg) {
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| 155 | _maxPointLon = lonDeg;
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| 156 | }
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| 157 | else if (_minPointLon > lonDeg) {
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| 158 | _minPointLon = lonDeg;
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| 159 | }
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| 160 | }
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| 161 | }
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| 162 |
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[5415] | 163 | //
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| 164 | /////////////////////////////////////////////////////////////////////////////
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[5416] | 165 | void t_map_stations::slotNewThriftResult(t_thriftResult* result) {
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| 166 | cout << result->_name << ' '
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| 167 | << result->_nGPS << ' ' << result->_nGLO << ' '
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| 168 | << result->_x << ' ' << result->_y << ' ' << result->_z << endl;
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[5415] | 169 | }
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| 170 |
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[4836] | 171 | // Close
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| 172 | ////////////////////////////////////////////////////////////////////////////
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[5406] | 173 | void t_map_stations::slotClose() {
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[4836] | 174 | done(0);
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| 175 | }
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| 176 |
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| 177 | // Close Dialog gracefully
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| 178 | ////////////////////////////////////////////////////////////////////////////
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[5406] | 179 | void t_map_stations::closeEvent(QCloseEvent* event) {
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[4836] | 180 | QDialog::closeEvent(event);
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| 181 | }
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| 182 |
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| 183 | //
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| 184 | ////////////////////////////////////////////////////////////////////////////
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[5406] | 185 | void t_map_stations::showEvent(QShowEvent* event) {
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[4836] | 186 | double width = _maxPointLon - _minPointLon;
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| 187 | double height = _maxPointLat - _minPointLat;
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| 188 | if (width > 0 && height > 0) {
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| 189 |
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| 190 | // Extend plot area by 10 percent
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| 191 | // ------------------------------
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| 192 | double eps = 0.1;
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| 193 | double epsLon = eps * (_maxPointLon - _minPointLon);
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| 194 | double epsLat = eps * (_maxPointLat - _minPointLat);
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| 195 | double widthExt = width + 2 * epsLon;
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| 196 | double heightExt = height + 2 * epsLat;
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| 197 | double minLon = _minPointLon - epsLon;
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| 198 | double minLat = _minPointLat - epsLat;
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| 199 |
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| 200 | // Keep lat/lon relations
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| 201 | // ----------------------
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| 202 | double widthBorder = widthExt;
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| 203 | double heightBorder = heightExt;
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| 204 | double scale = widthExt/heightExt/2.;
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| 205 | if ( scale < 1.) {
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| 206 | widthBorder = widthExt / scale;
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| 207 | minLon = minLon - (widthBorder - widthExt)/2.;
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| 208 | }
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| 209 | else {
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| 210 | heightBorder = heightExt * scale;
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| 211 | minLat = minLat - (heightBorder - heightExt)/2.;
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| 212 | }
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| 213 |
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| 214 | // Borders shall not exceed min or max values
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| 215 | // ------------------------------------------
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| 216 | if (minLon < -180.) minLon = -180.;
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| 217 | if (minLat < -90.) minLat = -90.;
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| 218 | double maxLat = minLat + heightBorder;
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| 219 | if ( maxLat > 90) minLat = minLat - (maxLat - 90.);
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| 220 | double maxLon = minLon + widthBorder;
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| 221 | if ( maxLon > 180) minLon = minLon - (maxLon - 180.);
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| 222 |
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| 223 | // Area large enough to justify world map
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| 224 | // --------------------------------------
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| 225 | if (widthBorder < 270.0 && heightBorder < 135.0) {
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| 226 | QRectF rect(minLon, minLat, widthBorder, heightBorder);
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| 227 | _mapPlotZoomer->zoom(rect);
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| 228 | }
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| 229 | }
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| 230 | QDialog::showEvent(event);
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| 231 | }
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| 232 |
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| 233 | // Print the widget
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| 234 | ////////////////////////////////////////////////////////////////////////////
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[5406] | 235 | void t_map_stations::slotPrint() {
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[4836] | 236 |
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| 237 | QPrinter printer;
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| 238 | QPrintDialog* dialog = new QPrintDialog(&printer, this);
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| 239 | dialog->setWindowTitle(tr("Print Map"));
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| 240 | if (dialog->exec() != QDialog::Accepted) {
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| 241 | return;
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| 242 | }
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| 243 | else {
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| 244 | QwtPlotRenderer renderer;
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| 245 | renderer.setDiscardFlag(QwtPlotRenderer::DiscardBackground, false);
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| 246 | renderer.setLayoutFlag(QwtPlotRenderer::KeepFrames, true);
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| 247 | renderer.renderTo(_mapPlot, printer);
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| 248 | }
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| 249 | }
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| 250 |
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| 251 | // Whats This Help
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| 252 | ////////////////////////////////////////////////////////////////////////////
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[5406] | 253 | void t_map_stations::slotWhatsThis() {
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[4858] | 254 | QWhatsThis::enterWhatsThisMode();
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[4836] | 255 | }
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| 256 |
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