source: ntrip/trunk/BNC/src/rinex/eleplot.cpp@ 6715

Last change on this file since 6715 was 6537, checked in by mervart, 10 years ago
File size: 4.2 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_elePlot
30 *
31 * Purpose: Plot satellite elevations
32 *
33 * Author: L. Mervart
34 *
35 * Created: 08-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 "eleplot.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_elePlot::t_elePlot(QWidget* parent, const QMap<t_prn, t_plotData>& plotDataMap)
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 setAxisScale(QwtPlot::yLeft, 0.0, 90.0);
75
76 // Legend
77 // ------
78 QwtLegend* legend = new QwtLegend;
79 insertLegend(legend, QwtPlot::RightLegend);
80
81 // Curves
82 // ------
83 int numCurves = plotDataMap.size();
84 if (numCurves > 0) {
85 int iC = 0;
86 QMapIterator<t_prn, t_plotData> it(plotDataMap);
87 while (it.hasNext()) {
88 it.next();
89 ++iC;
90 QString prn = QString(it.key().toString().c_str());
91 const t_plotData& plotData = it.value();
92
93 // Draw one curve
94 // --------------
95 if (plotData._mjdX24.size()) {
96 const QVector<double>& xData = plotData._mjdX24;
97 const QVector<double>& yData = plotData._eleDeg;
98 QColor color = QColor::fromHsv(int((iC-1)*(359.0/numCurves)), 255, 255);
99 QwtSymbol symbol(QwtSymbol::Rect, QBrush(color), QPen(color), QSize(1,1));
100 addCurve(prn, symbol, xData, yData);
101 }
102 }
103 }
104
105 // Important !!!
106 // -------------
107 replot();
108}
109
110// Add Curve
111//////////////////////////////////////////////////////////////////////////////
112QwtPlotCurve* t_elePlot::addCurve(const QString& name,
113 const QwtSymbol& symbol,
114 const QVector<double>& xData,
115 const QVector<double>& yData) {
116 QwtPlotCurve* curve = new QwtPlotCurve(name);
117 curve->setSymbol(new QwtSymbol(symbol));
118 curve->setStyle(QwtPlotCurve::NoCurve);
119 curve->setXAxis(QwtPlot::xBottom);
120 curve->setYAxis(QwtPlot::yLeft);
121 curve->setSamples(xData, yData);
122 curve->attach(this);
123
124 if (xData.size() > 0 && yData.size() > 0) {
125 QwtPlotMarker* marker = new QwtPlotMarker();
126 int ii = xData.size() / 2;
127 marker->setValue(xData[ii], yData[ii]);
128 QwtText text(name);
129 text.setColor(symbol.pen().color());
130 marker->setLabel(text);
131 marker->setLabelAlignment(Qt::AlignTop);
132 marker->attach(this);
133 }
134
135 return curve;
136}
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