source: ntrip/trunk/BNC/src/rinex/dopplot.cpp@ 7985

Last change on this file since 7985 was 6537, checked in by mervart, 10 years ago
File size: 3.9 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: t_dopPlot
30 *
31 * Purpose: Plot PDOP, GDOP, and number of satellites
32 *
33 * Author: L. Mervart
34 *
35 * Created: 09-Sep-2012
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <qwt_scale_draw.h>
42#include <qwt_text.h>
43#include <qwt_legend.h>
44#include <qwt_plot_marker.h>
45#include <qwt_plot_canvas.h>
46
47#include "dopplot.h"
48#include "reqcanalyze.h"
49
50//
51//////////////////////////////////////////////////////////////////////////////
52class t_scaleDrawTime : public QwtScaleDraw {
53 public:
54 t_scaleDrawTime() {}
55 virtual QwtText label(double mjdX24) const {
56 bncTime epoTime; epoTime.setmjd(mjdX24/24.0);
57 return QwtText(epoTime.timestr(0,':').c_str());
58 }
59};
60
61// Constructor
62//////////////////////////////////////////////////////////////////////////////
63t_dopPlot::t_dopPlot(QWidget* parent, const t_plotData& plotData)
64: QwtPlot(parent) {
65
66 setCanvasBackground(QColor(Qt::white));
67 canvas()->setFrameStyle(QFrame::NoFrame | QFrame::Plain);
68
69 // Axes
70 // ----
71 setAxisScaleDraw(QwtPlot::xBottom, new t_scaleDrawTime());
72 setAxisLabelRotation(QwtPlot::xBottom, -10.0);
73 setAxisLabelAlignment(QwtPlot::xBottom, Qt::AlignLeft | Qt::AlignBottom);
74
75 enableAxis(QwtPlot::yRight);
76
77 QwtText textPDOP("PDOP");
78 QFont fontPDOP = textPDOP.font();
79 fontPDOP.setPointSize(int(fontPDOP.pointSize()*0.8));
80 textPDOP.setFont(fontPDOP);
81 textPDOP.setColor(Qt::red);
82 setAxisTitle(QwtPlot::yRight, textPDOP);
83 setAxisScale(QwtPlot::yRight, 0, 6);
84
85 QwtText textNumSat("# Sat");
86 QFont fontNumSat = textNumSat.font();
87 fontNumSat.setPointSize(int(fontNumSat.pointSize()*0.8));
88 textNumSat.setFont(fontNumSat);
89 textNumSat.setColor(Qt::blue);
90 setAxisTitle(QwtPlot::yLeft, textNumSat);
91 double maxNumSat = 20.0;
92 for (int ii = 0; ii < plotData._numSat.size(); ii++) {
93 if (maxNumSat < plotData._numSat[ii]) {
94 maxNumSat = plotData._numSat[ii] + 5;
95 }
96 }
97 setAxisScale(QwtPlot::yLeft, 0, maxNumSat);
98
99 // Legend
100 // ------
101 QwtLegend* legend = new QwtLegend;
102 insertLegend(legend, QwtPlot::RightLegend);
103
104 // Curves
105 // ------
106 if (plotData._mjdX24.size() > 0) {
107 QwtPlotCurve* curveNumSat = new QwtPlotCurve(textNumSat);
108 curveNumSat->setXAxis(QwtPlot::xBottom);
109 curveNumSat->setYAxis(QwtPlot::yLeft);
110 curveNumSat->setSamples(plotData._mjdX24, plotData._numSat);
111 curveNumSat->setPen(QPen(textNumSat.color()));
112 curveNumSat->attach(this);
113
114 QwtPlotCurve* curvePDOP = new QwtPlotCurve(textPDOP);
115 curvePDOP->setXAxis(QwtPlot::xBottom);
116 curvePDOP->setYAxis(QwtPlot::yRight);
117 curvePDOP->setSamples(plotData._mjdX24, plotData._PDOP);
118 curvePDOP->setPen(QPen(textPDOP.color()));
119 curvePDOP->attach(this);
120 }
121
122 // Important !!!
123 // -------------
124 replot();
125}
126
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