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barchart documentation update
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1 /*!
1 /*!
2 \example examples/barchart
2 \example examples/barchart
3 \title BarChart Example
3 \title BarChart Example
4 \subtitle
4 \subtitle
5
5
6 The example shows how to create simple bar chart. Barchart shows the data in sets as separate bars, which are drawn at the x-axis to the position defined by data.
6 The example shows how to create simple bar chart. Barchart shows the data in sets as separate bars, which are drawn at the x-axis to the position defined by data.
7
7
8 \image examples_barchart.png
8 \image examples_barchart.png
9
9
10 Data that barchart visualizes, is defined by QBarSet instances. Here we create some sets and append data
10 Data that barchart visualizes, is defined by QBarSet instances. Here we create some sets and append data
11 we want to visualize to them. Note that first and third QPointF in each set have smaller intervals at their x coordinates. This will be reflected in the chart.
11 we want to visualize to them. Note that x positions are not in even intervals and this will be reflected in the chart.
12 If x positions aren't defined, then the index of value is assumed to be x position.
12
13
13 \snippet ../examples/barchart/main.cpp 1
14 \snippet ../examples/barchart/main.cpp 1
14
15
15 To combine the sets to a chart, we need to create QBarSeries instance. Then we append our barsets to the series.
16 To combine the sets to a chart, we need to create QBarSeries instance. Then we append our barsets to the series.
16
17
17 \snippet ../examples/barchart/main.cpp 2
18 \snippet ../examples/barchart/main.cpp 2
18
19
19 Next we create a chart and add the series to it.
20 Next we create a chart and add the series to it.
21 We also set the title for chart
20
22
21 \snippet ../examples/barchart/main.cpp 3
23 \snippet ../examples/barchart/main.cpp 3
22
24
23 We want to have the legend displayed at the bottom of the chart. Also we turn on the nice numbers algorithm on for y-axis.
25 We want to have the legend displayed at the bottom of the chart. Also we turn on the nice numbers algorithm on for y-axis.
24
26
25 \snippet ../examples/barchart/main.cpp 4
27 \snippet ../examples/barchart/main.cpp 4
26
28
27 Finally we add the chart onto a view.
29 Finally we add the chart onto a view.
28
30
29 \snippet ../examples/barchart/main.cpp 5
31 \snippet ../examples/barchart/main.cpp 5
30
32
31 And it is ready to be shown in a window.
33 And it is ready to be shown in a window.
32
34
33 \snippet ../examples/percentbarchart/main.cpp 6
35 \snippet ../examples/percentbarchart/main.cpp 6
34 */
36 */
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@@ -1,40 +1,39
1 /*!
1 /*!
2 \example examples/groupedbarchart
2 \example examples/groupedbarchart
3 \title GroupedBarChart Example
3 \title GroupedBarChart Example
4 \subtitle
4 \subtitle
5
5
6 The example shows how to create simple bar chart. GroupedBarChart shows the data in sets as separate bars, which are grouped in categories.
6 The example shows how to create simple bar chart. GroupedBarChart shows the data in sets as separate bars, which are grouped in categories.
7
7
8 \image examples_groupedbarchart.png
8 \image examples_groupedbarchart.png
9
9
10 First we define categories.
10 Data that groupedbarchart visualizes, is defined by QBarSet instances. Here we create the sets and append data
11 to them.
11
12
12 \snippet ../examples/groupedbarchart/main.cpp 1
13 \snippet ../examples/groupedbarchart/main.cpp 1
13
14
14 Data that groupedbarchart visualizes, is defined by QBarSet instances. Here we create some sets and append data
15 We create the series and append the sets to it. The grouped barseries groups the data from sets to categories.
15 we want to visualize to them.
16 First value of each set are gropuped together at first category second value to second category and so on.
16
17
17 \snippet ../examples/groupedbarchart/main.cpp 2
18 \snippet ../examples/groupedbarchart/main.cpp 2
18
19
19 To combine the sets and categories to a chart, we need to create QBarSeries instance. When creating
20 Then we create a chart and add the series to it.
20 the QBarSeries, the categories must be known. Sets can be added later. For example purposes the sets
21 are added to series here.
22
21
23 \snippet ../examples/groupedbarchart/main.cpp 3
22 \snippet ../examples/groupedbarchart/main.cpp 3
24
23
25 Then we create a chart and add the series to it.
24 We define the categories here and add them to the x-axis.
26
25
27 \snippet ../examples/groupedbarchart/main.cpp 4
26 \snippet ../examples/groupedbarchart/main.cpp 4
28
27
29 And we also want to show the legend, so that the data is easier to read.
28 And we also want to show the legend, so that the data is easier to read.
30
29
31 \snippet ../examples/groupedbarchart/main.cpp 5
30 \snippet ../examples/groupedbarchart/main.cpp 5
32
31
33 Finally we add the chart onto a view.
32 Finally we add the chart onto a view.
34
33
35 \snippet ../examples/groupedbarchart/main.cpp 6
34 \snippet ../examples/groupedbarchart/main.cpp 6
36
35
37 And it is ready to be shown in a window.
36 And it is ready to be shown in a window.
38
37
39 \snippet ../examples/groupedbarchart/main.cpp 7
38 \snippet ../examples/groupedbarchart/main.cpp 7
40 */
39 */
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@@ -1,80 +1,80
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QApplication>
21 #include <QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include <QChartView>
24 #include <QBarSeries>
24 #include <QBarSeries>
25 #include <QBarSet>
25 #include <QBarSet>
26 #include <QLegend>
26 #include <QLegend>
27
27
28 QTCOMMERCIALCHART_USE_NAMESPACE
28 QTCOMMERCIALCHART_USE_NAMESPACE
29
29
30 int main(int argc, char *argv[])
30 int main(int argc, char *argv[])
31 {
31 {
32 QApplication a(argc, argv);
32 QApplication a(argc, argv);
33
33
34 //![1]
34 //![1]
35 QBarSet *set0 = new QBarSet("Jane");
35 QBarSet *set0 = new QBarSet("Jane");
36 QBarSet *set1 = new QBarSet("John");
36 QBarSet *set1 = new QBarSet("John");
37 QBarSet *set2 = new QBarSet("Axel");
37 QBarSet *set2 = new QBarSet("Axel");
38 QBarSet *set3 = new QBarSet("Mary");
38 QBarSet *set3 = new QBarSet("Mary");
39
39
40 *set0 << QPointF(0.0, 1) << QPointF(1.0, 2) << QPointF(2.4, 3) << QPointF(3.0, 4) << QPointF(4.0, 5) << QPointF(5.0, 6);
40 *set0 << QPointF(0.0, 1) << QPointF(1.0, 2) << QPointF(2.4, 3) << QPointF(3.0, 4) << QPointF(4.0, 5) << QPointF(5.0, 6);
41 *set1 << QPointF(0.1, 2) << QPointF(1.2, 3) << QPointF(2.45, 4) << QPointF(3.2, 5) << QPointF(4.2, 6) << QPointF(5.2, 7);
41 *set1 << QPointF(0.1, 2) << QPointF(1.2, 3) << QPointF(2.45, 4) << QPointF(3.2, 5) << QPointF(4.2, 6) << QPointF(5.2, 7);
42 *set2 << QPointF(0.2, 3) << QPointF(1.4, 4) << QPointF(2.50, 5) << QPointF(3.4, 6) << QPointF(4.4, 7) << QPointF(5.4, 8);
42 *set2 << QPointF(0.2, 3) << QPointF(1.4, 4) << QPointF(2.50, 5) << QPointF(3.4, 6) << QPointF(4.4, 7) << QPointF(5.4, 8);
43 *set3 << QPointF(0.3, 4) << QPointF(1.6, 5) << QPointF(2.55, 6) << QPointF(3.6, 7) << QPointF(4.6, 8) << QPointF(5.6, 9);
43 *set3 << QPointF(0.3, 4) << QPointF(1.6, 5) << QPointF(2.55, 6) << QPointF(3.6, 7) << QPointF(4.6, 8) << QPointF(5.6, 9);
44 //![1]
44 //![1]
45
45
46 //![2]
46 //![2]
47 QBarSeries* series = new QBarSeries();
47 QBarSeries* series = new QBarSeries();
48 series->setBarMargin(0.8);
48 series->setBarMargin(0.8);
49 series->append(set0);
49 series->append(set0);
50 series->append(set1);
50 series->append(set1);
51 series->append(set2);
51 series->append(set2);
52 series->append(set3);
52 series->append(set3);
53 //![2]
53 //![2]
54
54
55 //![3]
55 //![3]
56 QChart* chart = new QChart();
56 QChart* chart = new QChart();
57 chart->addSeries(series);
57 chart->addSeries(series);
58 chart->setTitle("Simple barchart example");
58 chart->setTitle("Barchart example");
59 //![3]
59 //![3]
60
60
61 //![4]
61 //![4]
62 chart->legend()->setVisible(true);
62 chart->legend()->setVisible(true);
63 chart->legend()->setAlignment(Qt::AlignBottom);
63 chart->legend()->setAlignment(Qt::AlignBottom);
64 chart->axisY()->setNiceNumbersEnabled(true);
64 chart->axisY()->setNiceNumbersEnabled(true);
65 //![4]
65 //![4]
66
66
67 //![5]
67 //![5]
68 QChartView* chartView = new QChartView(chart);
68 QChartView* chartView = new QChartView(chart);
69 chartView->setRenderHint(QPainter::Antialiasing);
69 chartView->setRenderHint(QPainter::Antialiasing);
70 //![5]
70 //![5]
71
71
72 //![6]
72 //![6]
73 QMainWindow window;
73 QMainWindow window;
74 window.setCentralWidget(chartView);
74 window.setCentralWidget(chartView);
75 window.resize(400, 300);
75 window.resize(400, 300);
76 window.show();
76 window.show();
77 //![6]
77 //![6]
78
78
79 return a.exec();
79 return a.exec();
80 }
80 }
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@@ -1,90 +1,89
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include <QApplication>
21 #include <QApplication>
22 #include <QMainWindow>
22 #include <QMainWindow>
23 #include <QChartView>
23 #include <QChartView>
24 #include <QGroupedBarSeries>
24 #include <QGroupedBarSeries>
25 #include <QBarSet>
25 #include <QBarSet>
26 #include <QLegend>
26 #include <QLegend>
27
27
28 QTCOMMERCIALCHART_USE_NAMESPACE
28 QTCOMMERCIALCHART_USE_NAMESPACE
29
29
30 int main(int argc, char *argv[])
30 int main(int argc, char *argv[])
31 {
31 {
32 QApplication a(argc, argv);
32 QApplication a(argc, argv);
33
33
34 //![1]
34 //![1]
35 QBarSet *set0 = new QBarSet("Jane");
35 QBarSet *set0 = new QBarSet("Jane");
36 QBarSet *set1 = new QBarSet("John");
36 QBarSet *set1 = new QBarSet("John");
37 QBarSet *set2 = new QBarSet("Axel");
37 QBarSet *set2 = new QBarSet("Axel");
38 QBarSet *set3 = new QBarSet("Mary");
38 QBarSet *set3 = new QBarSet("Mary");
39 QBarSet *set4 = new QBarSet("Samantha");
39 QBarSet *set4 = new QBarSet("Samantha");
40
40
41 *set0 << 1 << 2 << 3 << 4 << 5 << 6;
41 *set0 << 1 << 2 << 3 << 4 << 5 << 6;
42 *set1 << 5 << 0 << 0 << 4 << 0 << 7;
42 *set1 << 5 << 0 << 0 << 4 << 0 << 7;
43 *set2 << 3 << 5 << 8 << 13 << 8 << 5;
43 *set2 << 3 << 5 << 8 << 13 << 8 << 5;
44 *set3 << 5 << 6 << 7 << 3 << 4 << 5;
44 *set3 << 5 << 6 << 7 << 3 << 4 << 5;
45 *set4 << 9 << 7 << 5 << 3 << 1 << 2;
45 *set4 << 9 << 7 << 5 << 3 << 1 << 2;
46 //![1]
46 //![1]
47
47
48 //![2]
48 //![2]
49 QGroupedBarSeries* series = new QGroupedBarSeries();
49 QGroupedBarSeries* series = new QGroupedBarSeries();
50 // series->setCategories(categories);
51 series->append(set0);
50 series->append(set0);
52 series->append(set1);
51 series->append(set1);
53 series->append(set2);
52 series->append(set2);
54 series->append(set3);
53 series->append(set3);
55 series->append(set4);
54 series->append(set4);
56
55
57 //![2]
56 //![2]
58
57
59 //![3]
58 //![3]
60 QChart* chart = new QChart();
59 QChart* chart = new QChart();
61 chart->addSeries(series);
60 chart->addSeries(series);
62 chart->setTitle("Simple grouped barchart example");
61 chart->setTitle("Simple grouped barchart example");
63 //![3]
62 //![3]
64
63
65 //![4]
64 //![4]
66 QStringList categories;
65 QStringList categories;
67 categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
66 categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
68 chart->axisX()->categories()->insert(categories);
67 chart->axisX()->categories()->insert(categories);
69 //![4]
68 //![4]
70
69
71 //![5]
70 //![5]
72 chart->legend()->setVisible(true);
71 chart->legend()->setVisible(true);
73 chart->legend()->setAlignment(Qt::AlignBottom);
72 chart->legend()->setAlignment(Qt::AlignBottom);
74 chart->axisY()->setNiceNumbersEnabled(true);
73 chart->axisY()->setNiceNumbersEnabled(true);
75 //![5]
74 //![5]
76
75
77 //![6]
76 //![6]
78 QChartView* chartView = new QChartView(chart);
77 QChartView* chartView = new QChartView(chart);
79 chartView->setRenderHint(QPainter::Antialiasing);
78 chartView->setRenderHint(QPainter::Antialiasing);
80 //![6]
79 //![6]
81
80
82 //![7]
81 //![7]
83 QMainWindow window;
82 QMainWindow window;
84 window.setCentralWidget(chartView);
83 window.setCentralWidget(chartView);
85 window.resize(400, 300);
84 window.resize(400, 300);
86 window.show();
85 window.show();
87 //![7]
86 //![7]
88
87
89 return a.exec();
88 return a.exec();
90 }
89 }
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