source: ntrip/trunk/BNC/src/rinex/eleplot.cpp @ 6261

Last change on this file since 6261 was 6261, checked in by mervart, 5 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, QMap<QString, t_availData>* availDataMap) 
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 = availDataMap->size();
84  if (numCurves > 0) {
85    int iC = 0;
86    QMapIterator<QString, t_availData > it(*availDataMap);
87    while (it.hasNext()) {
88      it.next();
89      ++iC;
90      const QString&     prn       = it.key();
91      const t_availData& availData = it.value();
92   
93      // Draw one curve
94      // --------------
95      if (availData._eleTim.size()) {
96        const QVector<double>& xData = availData._eleTim;
97        const QVector<double>& yData = availData._eleDeg;
98        QColor color = QColor::fromHsv((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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