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@@
-14,10
+14,9
int main(int argc, char *argv[])
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14
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// Create chart view
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14
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// Create chart view
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15
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QChartView *chartView = new QChartView();
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15
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QChartView *chartView = new QChartView();
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16
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chartView->setRenderHint(QPainter::Antialiasing);
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16
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chartView->setRenderHint(QPainter::Antialiasing);
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17
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chartView->setChartTheme(QChart::ChartThemeScientific);
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18
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// Add scatter series with linear test data with random "noise"
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17
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// Add scatter series with linear test data with random "noise"
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19
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QScatterSeries *scatter = new QScatterSeries();
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18
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QScatterSeries *scatter = new QScatterSeries();
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20
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for (qreal i(0.0); i < 20; i += 0.25) {
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19
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for (qreal i(0.0); i < 20; i += 0.5) {
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21
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qreal x = i + (qreal)(rand() % 100) / 100.0;
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20
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qreal x = i + (qreal)(rand() % 100) / 100.0;
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22
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qreal y = i + (qreal)(rand() % 100) / 100.0;
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21
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qreal y = i + (qreal)(rand() % 100) / 100.0;
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23
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(*scatter) << QPointF(x, y);
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22
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(*scatter) << QPointF(x, y);
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@@
-28,7
+27,7
int main(int argc, char *argv[])
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28
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27
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29
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// And more
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28
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// And more
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30
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//! [2]
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29
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//! [2]
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31
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//*scatter << QPointF(2.0, 5.5) << QPointF(2.2, 5.4);
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30
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*scatter << QPointF(2.0, 5.5) << QPointF(2.2, 5.4);
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32
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//! [2]
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31
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//! [2]
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33
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32
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34
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//! [3]
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33
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//! [3]
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@@
-37,7
+36,7
int main(int argc, char *argv[])
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37
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QPen pen(QColor(0, 255, 0, 60), 3);
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36
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QPen pen(QColor(0, 255, 0, 60), 3);
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38
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scatter->setPen(pen);
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37
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scatter->setPen(pen);
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39
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scatter->setShape(QScatterSeries::MarkerShapeRectangle);
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38
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scatter->setShape(QScatterSeries::MarkerShapeRectangle);
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40
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scatter->setSize(15.0);
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39
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scatter->setSize(25.0);
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41
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//! [3]
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40
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//! [3]
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42
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41
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43
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// Use the chart widget as the central widget
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42
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// Use the chart widget as the central widget
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