[4636] | 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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[4622] | 24 |
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[4636] | 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: t_bncMap
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| 30 | *
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| 31 | * Purpose: Plot map of stations from NTRIP source table
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| 32 | *
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| 33 | * Author: L. Mervart
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| 34 | *
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| 35 | * Created: 02-Sep-2012
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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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[4622] | 41 | #include <QtSvg>
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| 42 |
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[4631] | 43 | #include <qwt_symbol.h>
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[4622] | 44 | #include <qwt_plot.h>
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| 45 | #include <qwt_plot_svgitem.h>
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| 46 | #include <qwt_plot_curve.h>
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| 47 | #include <qwt_plot_marker.h>
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| 48 | #include <qwt_plot_canvas.h>
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[4634] | 49 | #include <qwt_plot_zoomer.h>
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[4631] | 50 | #include <qwt_plot_renderer.h>
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[4622] | 51 |
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| 52 | #include "bncmap.h"
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| 53 |
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| 54 | // Constructor
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| 55 | /////////////////////////////////////////////////////////////////////////////
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[4626] | 56 | t_bncMap::t_bncMap(QWidget* parent) : QDialog(parent) {
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[4622] | 57 |
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[4630] | 58 | // Map in Scalable Vector Graphics (svg) Format
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| 59 | // --------------------------------------------
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[4626] | 60 | _mapPlot = new QwtPlot();
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[4622] | 61 |
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[4634] | 62 | _mapPlot->setAxisScale(QwtPlot::xBottom, -180.0, 180.0);
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| 63 | _mapPlot->setAxisScale(QwtPlot::yLeft, -90.0, 90.0);
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[4622] | 64 |
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[4651] | 65 | _mapPlotZoomer = new QwtPlotZoomer(_mapPlot->canvas());
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[4634] | 66 |
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[4626] | 67 | _mapPlot->canvas()->setFocusPolicy(Qt::WheelFocus);
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[4622] | 68 |
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[4626] | 69 | QwtPlotSvgItem* mapItem = new QwtPlotSvgItem();
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| 70 | mapItem->loadFile(QRectF(-180.0, -90.0, 360.0, 180.0), ":world.svg");
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| 71 | mapItem->attach(_mapPlot);
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[4622] | 72 |
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[4630] | 73 | // Buttons
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| 74 | // -------
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| 75 | int ww = QFontMetrics(font()).width('w');
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| 76 |
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| 77 | _buttonClose = new QPushButton(tr("Close"), this);
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| 78 | _buttonClose->setMaximumWidth(10*ww);
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| 79 | connect(_buttonClose, SIGNAL(clicked()), this, SLOT(slotClose()));
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| 80 |
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| 81 | _buttonPrint = new QPushButton(tr("Print"), this);
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| 82 | _buttonPrint->setMaximumWidth(10*ww);
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| 83 | connect(_buttonPrint, SIGNAL(clicked()), this, SLOT(slotPrint()));
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| 84 |
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| 85 | // Layout
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| 86 | // ------
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| 87 | QHBoxLayout* buttonLayout = new QHBoxLayout;
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| 88 | buttonLayout->addWidget(_buttonClose);
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| 89 | buttonLayout->addWidget(_buttonPrint);
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| 90 |
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[4622] | 91 | QVBoxLayout* mainLayout = new QVBoxLayout(this);
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[4626] | 92 | mainLayout->addWidget(_mapPlot);
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[4630] | 93 | mainLayout->addLayout(buttonLayout);
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[4622] | 94 |
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[4651] | 95 | // Minimal and Maximal Coordinates
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| 96 | // -------------------------------
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| 97 | _minPointLat = 0.0;
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| 98 | _maxPointLat = 0.0;
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| 99 | _minPointLon = 0.0;
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| 100 | _maxPointLon = 0.0;
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| 101 |
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[4630] | 102 | // Important
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| 103 | // ---------
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[4626] | 104 | _mapPlot->replot();
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[4622] | 105 | }
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| 106 |
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| 107 | // Destructor
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| 108 | /////////////////////////////////////////////////////////////////////////////
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[4626] | 109 | t_bncMap::~t_bncMap() {
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| 110 | delete _mapPlot;
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[4622] | 111 | }
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[4626] | 112 |
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| 113 | //
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| 114 | /////////////////////////////////////////////////////////////////////////////
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[4627] | 115 | void t_bncMap::slotNewPoint(const QString& name, double latDeg, double lonDeg) {
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[4635] | 116 |
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| 117 | if (lonDeg > 180.0) lonDeg -= 360.0;
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| 118 |
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[4629] | 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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[4626] | 122 | QwtPlotMarker* marker = new QwtPlotMarker();
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[4627] | 123 | marker->setValue(lonDeg, latDeg);
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[4629] | 124 | marker->setLabelAlignment(Qt::AlignRight);
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[4628] | 125 | marker->setLabel(QwtText(name.left(4)));
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[4629] | 126 | marker->setSymbol(symbol);
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[4626] | 127 | marker->attach(_mapPlot);
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[4651] | 128 |
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| 129 | // Remeber minimal and maximal coordinates
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| 130 | // ---------------------------------------
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| 131 | if (_minPointLat == 0.0 && _maxPointLat == 0.0 &&
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| 132 | _minPointLon == 0.0 && _maxPointLon == 0.0) {
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| 133 | _minPointLat = latDeg;
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| 134 | _maxPointLat = latDeg;
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| 135 | _minPointLon = lonDeg;
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| 136 | _maxPointLon = lonDeg;
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| 137 | }
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| 138 | else {
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| 139 | if (_maxPointLat < latDeg) {
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| 140 | _maxPointLat = latDeg;
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| 141 | }
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| 142 | else if (_minPointLat > latDeg) {
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| 143 | _minPointLat = latDeg;
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| 144 | }
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| 145 | if (_maxPointLon < lonDeg) {
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| 146 | _maxPointLon = lonDeg;
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| 147 | }
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| 148 | else if (_minPointLon > lonDeg) {
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| 149 | _minPointLon = lonDeg;
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| 150 | }
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| 151 | }
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[4626] | 152 | }
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| 153 |
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[4630] | 154 | // Close
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| 155 | ////////////////////////////////////////////////////////////////////////////
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| 156 | void t_bncMap::slotClose() {
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| 157 | done(0);
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| 158 | }
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[4626] | 159 |
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[4630] | 160 | // Close Dialog gracefully
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| 161 | ////////////////////////////////////////////////////////////////////////////
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| 162 | void t_bncMap::closeEvent(QCloseEvent* event) {
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| 163 | QDialog::closeEvent(event);
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| 164 | }
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[4626] | 165 |
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[4651] | 166 | //
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| 167 | ////////////////////////////////////////////////////////////////////////////
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| 168 | void t_bncMap::showEvent(QShowEvent* event) {
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| 169 | double width = _maxPointLon - _minPointLon;
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| 170 | double height = _maxPointLat - _minPointLat;
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| 171 | if (width > 0 && height > 0) {
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[4656] | 172 | double eps = 0.1;
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| 173 | double epsLon = eps*(_maxPointLon - _minPointLon);
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| 174 | double epsLat = eps*(_maxPointLat - _minPointLat);
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| 175 | double minLon = _minPointLon - epsLon;
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| 176 | double minLat = _minPointLat - epsLat;
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| 177 | double widthExt = width + 2*epsLon;
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| 178 | double heightExt = height + 2*epsLat;
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| 179 | if (minLon < -180.) minLon = -180.;
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| 180 | if (minLat < -90.) minLat = -90.;
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| 181 | if (widthExt > 360.) widthExt = 360.;
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| 182 | if (heightExt > 180.) heightExt = 180.;
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| 183 | if (widthExt > 270. || heightExt > 135.) {
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| 184 | QRectF rect(-180.,-90.,360.,180.);
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| 185 | _mapPlotZoomer->zoom(rect);
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| 186 | }
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| 187 | else {
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| 188 | QRectF rect(minLon, minLat, widthExt, heightExt);
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| 189 | _mapPlotZoomer->zoom(rect);
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| 190 | }
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[4651] | 191 | }
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| 192 | QDialog::showEvent(event);
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| 193 | }
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| 194 |
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[4630] | 195 | // Print the widget
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| 196 | ////////////////////////////////////////////////////////////////////////////
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| 197 | void t_bncMap::slotPrint() {
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| 198 |
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| 199 | QPrinter printer;
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| 200 | QPrintDialog* dialog = new QPrintDialog(&printer, this);
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[4631] | 201 | dialog->setWindowTitle(tr("Print Map"));
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[4630] | 202 | if (dialog->exec() != QDialog::Accepted) {
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| 203 | return;
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| 204 | }
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| 205 | else {
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[4631] | 206 | QwtPlotRenderer renderer;
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| 207 | renderer.setDiscardFlag(QwtPlotRenderer::DiscardBackground, false);
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| 208 | renderer.setLayoutFlag(QwtPlotRenderer::KeepFrames, true);
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| 209 | renderer.renderTo(_mapPlot, printer);
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[4630] | 210 | }
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| 211 | }
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