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1 | /**************************************************************************** |
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1 | /**************************************************************************** | |
2 | ** |
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2 | ** | |
3 | ** Copyright (C) 2012 Digia Plc |
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3 | ** Copyright (C) 2012 Digia Plc | |
4 | ** All rights reserved. |
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4 | ** All rights reserved. | |
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
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5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
6 | ** |
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6 | ** | |
7 | ** This file is part of the Qt Commercial Charts Add-on. |
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7 | ** This file is part of the Qt Commercial Charts Add-on. | |
8 | ** |
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8 | ** | |
9 | ** $QT_BEGIN_LICENSE$ |
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9 | ** $QT_BEGIN_LICENSE$ | |
10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
11 | ** accordance with the Qt Commercial License Agreement provided with the |
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11 | ** accordance with the Qt Commercial License Agreement provided with the | |
12 | ** Software or, alternatively, in accordance with the terms contained in |
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12 | ** Software or, alternatively, in accordance with the terms contained in | |
13 | ** a written agreement between you and Digia. |
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13 | ** a written agreement between you and Digia. | |
14 | ** |
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14 | ** | |
15 | ** If you have questions regarding the use of this file, please use |
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15 | ** If you have questions regarding the use of this file, please use | |
16 | ** contact form at http://qt.digia.com |
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16 | ** contact form at http://qt.digia.com | |
17 | ** $QT_END_LICENSE$ |
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17 | ** $QT_END_LICENSE$ | |
18 | ** |
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18 | ** | |
19 | ****************************************************************************/ |
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19 | ****************************************************************************/ | |
20 |
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20 | |||
21 | #include <QApplication> |
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21 | #include <QApplication> | |
22 | #include <QMainWindow> |
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22 | #include <QMainWindow> | |
23 | #include <QChartView> |
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23 | #include <QChartView> | |
24 | #include <QLineSeries> |
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24 | #include <QLineSeries> | |
25 | #include <QDateTime> |
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25 | #include <QDateTime> | |
26 | #include <QDateTimeAxis> |
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26 | #include <QDateTimeAxis> | |
27 | #include <QFile> |
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27 | #include <QFile> | |
28 | #include <QTextStream> |
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28 | #include <QTextStream> | |
29 | #include <QDebug> |
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29 | #include <QDebug> | |
30 | #include <QValueAxis> |
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30 | #include <QValueAxis> | |
31 |
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31 | |||
32 | QTCOMMERCIALCHART_USE_NAMESPACE |
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32 | QTCOMMERCIALCHART_USE_NAMESPACE | |
33 |
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33 | |||
34 | int main(int argc, char *argv[]) |
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34 | int main(int argc, char *argv[]) | |
35 | { |
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35 | { | |
36 | QApplication a(argc, argv); |
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36 | QApplication a(argc, argv); | |
37 | qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); |
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37 | qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); | |
38 |
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38 | |||
39 | //![1] |
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39 | //![1] | |
40 | QLineSeries *series = new QLineSeries(); |
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40 | QLineSeries *series = new QLineSeries(); | |
41 | //![1] |
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41 | //![1] | |
42 |
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42 | |||
43 | //![2] |
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43 | //![2] | |
44 | // data from http://www.swpc.noaa.gov/ftpdir/weekly/RecentIndices.txt |
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44 | // data from http://www.swpc.noaa.gov/ftpdir/weekly/RecentIndices.txt | |
45 | // http://www.swpc.noaa.gov/ftpdir/weekly/README |
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45 | // http://www.swpc.noaa.gov/ftpdir/weekly/README | |
46 | // http://www.weather.gov/disclaimer |
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46 | // http://www.weather.gov/disclaimer | |
47 | QFile sunSpots(":sun"); |
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47 | QFile sunSpots(":sun"); | |
48 | if (!sunSpots.open(QIODevice::ReadOnly | QIODevice::Text)) { |
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48 | if (!sunSpots.open(QIODevice::ReadOnly | QIODevice::Text)) { | |
49 | return 1; |
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49 | return 1; | |
50 | } |
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50 | } | |
51 |
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51 | |||
52 | QTextStream stream(&sunSpots); |
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52 | QTextStream stream(&sunSpots); | |
53 | while (!stream.atEnd()) { |
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53 | while (!stream.atEnd()) { | |
54 | QString line = stream.readLine(); |
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54 | QString line = stream.readLine(); | |
55 | if (line.startsWith("#") || line.startsWith(":")) |
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55 | if (line.startsWith("#") || line.startsWith(":")) | |
56 | continue; |
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56 | continue; | |
57 | QStringList values = line.split(" ", QString::SkipEmptyParts); |
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57 | QStringList values = line.split(" ", QString::SkipEmptyParts); | |
58 | QDateTime momentInTime; |
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58 | QDateTime momentInTime; | |
59 | momentInTime.setDate(QDate(values[0].toInt(), values[1].toInt() , 15)); |
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59 | momentInTime.setDate(QDate(values[0].toInt(), values[1].toInt() , 15)); | |
60 | series->append(momentInTime.toMSecsSinceEpoch(), values[2].toDouble()); |
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60 | series->append(momentInTime.toMSecsSinceEpoch(), values[2].toDouble()); | |
61 | } |
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61 | } | |
62 | sunSpots.close(); |
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62 | sunSpots.close(); | |
63 | //![2] |
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63 | //![2] | |
64 |
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64 | |||
65 | //![3] |
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65 | //![3] | |
66 | QChart *chart = new QChart(); |
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66 | QChart *chart = new QChart(); | |
67 | chart->addSeries(series); |
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67 | chart->addSeries(series); | |
68 | chart->legend()->hide(); |
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68 | chart->legend()->hide(); | |
69 | chart->createDefaultAxes(); |
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70 | chart->setTitle("Sunspots count (by Space Weather Prediction Center)"); |
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69 | chart->setTitle("Sunspots count (by Space Weather Prediction Center)"); | |
71 | //![3] |
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70 | //![3] | |
72 |
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71 | |||
73 | //![4] |
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72 | //![4] | |
74 | QDateTimeAxis *axisX = new QDateTimeAxis; |
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73 | QDateTimeAxis *axisX = new QDateTimeAxis; | |
75 | axisX->setTickCount(10); |
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74 | axisX->setTickCount(10); | |
76 | axisX->setFormat("MMM yyyy"); |
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75 | axisX->setFormat("MMM yyyy"); | |
77 | axisX->setTitleText("Date"); |
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76 | axisX->setTitleText("Date"); | |
78 |
chart-> |
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77 | chart->addAxis(axisX, Qt::AlignBottom); | |
79 | chart->axisY(series)->setTitleText("Sunspots count"); |
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78 | series->attachAxis(axisX); | |
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79 | ||||
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80 | QValueAxis *axisY = new QValueAxis; | |||
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81 | axisY->setLabelFormat("%i"); | |||
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82 | axisY->setTitleText("Sunspots count"); | |||
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83 | chart->addAxis(axisY, Qt::AlignLeft); | |||
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84 | series->attachAxis(axisY); | |||
80 | //![4] |
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85 | //![4] | |
81 |
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86 | |||
82 | //![5] |
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87 | //![5] | |
83 | QChartView *chartView = new QChartView(chart); |
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88 | QChartView *chartView = new QChartView(chart); | |
84 | chartView->setRenderHint(QPainter::Antialiasing); |
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89 | chartView->setRenderHint(QPainter::Antialiasing); | |
85 | //![5] |
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90 | //![5] | |
86 |
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91 | |||
87 | //![6] |
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92 | //![6] | |
88 | QMainWindow window; |
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93 | QMainWindow window; | |
89 | window.setCentralWidget(chartView); |
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94 | window.setCentralWidget(chartView); | |
90 | window.resize(800, 600); |
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95 | window.resize(800, 600); | |
91 | window.show(); |
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96 | window.show(); | |
92 | //![6] |
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97 | //![6] | |
93 |
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98 | |||
94 | return a.exec(); |
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99 | return a.exec(); | |
95 | } |
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100 | } |
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