| @@ -27,10 +27,20 SplineWidget::SplineWidget(QWidget *parent) | |||
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27 | 27 | // series->add(QPointF(750, 180)); |
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28 | 28 | // series->add(QPointF(800, 170)); |
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29 | 29 | |
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30 | qsrand(time(NULL)); | |
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31 | for (int i = 0; i < 100; i++) | |
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30 | // qsrand(time(NULL)); | |
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31 | // for (int i = 0; i < 100; i++) | |
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32 | // { | |
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33 | // series->add(QPointF(i*7, qrand()%600)); | |
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34 | // } | |
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35 | int k = 10; | |
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36 | for (int i = 0; i < 25; i++) | |
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32 | 37 | { |
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33 | series->add(QPointF(i*7, qrand()%600)); | |
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38 | if (k > 60) | |
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39 | { | |
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40 | k = 10; | |
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41 | } | |
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42 | series->add(QPointF(i*50, k)); | |
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43 | k +=10; | |
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34 | 44 | } |
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35 | 45 | |
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36 | 46 | series->calculateControlPoints(); |
| @@ -55,7 +55,7 void QSplineSeries::calculateControlPoints() | |||
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55 | 55 | rhs.append(m_x[0] + 2 * m_x[1]); |
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56 | 56 | |
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57 | 57 | // Set right hand side X values |
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58 |
for (int i = 1; i < |
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58 | for (int i = 1; i < n - 1; ++i) | |
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59 | 59 | rhs.append(4 * m_x[i] + 2 * m_x[i + 1]); |
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60 | 60 | |
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61 | 61 | rhs.append((8 * m_x[n - 1] + m_x[n]) / 2.0); |
| @@ -64,7 +64,7 void QSplineSeries::calculateControlPoints() | |||
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64 | 64 | rhs[0] = m_y[0] + 2 * m_y[1]; |
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65 | 65 | |
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66 | 66 | // Set right hand side Y values |
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67 |
for (int i = 1; i < |
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67 | for (int i = 1; i < n - 1; ++i) | |
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68 | 68 | rhs[i] = 4 * m_y[i] + 2 * m_y[i + 1]; |
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69 | 69 | |
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70 | 70 | rhs[n - 1] = (8 * m_y[n - 1] + m_y[n]) / 2.0; |
| @@ -74,7 +74,7 void QSplineSeries::calculateControlPoints() | |||
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74 | 74 | // Fill output arrays. |
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75 | 75 | // firstControlPoints = new Point[n]; |
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76 | 76 | // secondControlPoints = new Point[n]; |
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77 |
for (int i = 0; i < |
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77 | for (int i = 0; i < n; ++i) | |
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78 | 78 | { |
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79 | 79 | // First control point |
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80 | 80 | m_controlPoints.append(QPointF(x[i], y[i])); |
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