Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SieveArray.java @ 4282:8b4988815974
Added marker for Ws and Qs in Historical Discharge WQ charts.
Therefore, the XYChartGenerator got two new methods addDomainMarker(Marker, boolean) and addValueMarker(Marker, boolean).
The boolean parameters determine, if the marker should be visible or not. This is analogous to addAxisSeries(XYSeries, int, boolean).
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 29 Oct 2012 05:59:27 +0100 |
parents | 3b79e8afca7e |
children | bf2fd9c58ac4 |
rev | line source |
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Simpify the S(Q) fraction sieving stuff.
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1 package de.intevation.flys.artifacts.model.sq; |
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2 |
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3 public class SieveArray |
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4 { |
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5 public static final double EPSILON = 1e-8; |
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6 |
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7 public static final double [] SIEVE_DIAMETERS = { |
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8 100d, 63d, 31.5d, 16d, |
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9 8d, 4d, 2d, 1d, |
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10 0.5d, 0.25d, 0.125d, 0.063d |
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11 }; |
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12 |
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13 protected double [] loads; |
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14 protected double [] normLoads; |
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15 |
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16 public SieveArray() { |
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17 loads = new double[SIEVE_DIAMETERS.length+1]; |
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18 normLoads = new double[SIEVE_DIAMETERS.length+1]; |
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19 } |
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20 |
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21 public void doSieving(Sieve s) { |
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22 |
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23 double diameter = s.getDiameter(); |
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24 |
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25 for (int i = 0; i < SIEVE_DIAMETERS.length; ++i) { |
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26 if (diameter >= SIEVE_DIAMETERS[i]) { |
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27 loads[i] += s.getLoad(); |
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28 return; |
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29 } |
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30 } |
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31 loads[loads.length-1] += s.getLoad(); |
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32 } |
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33 |
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34 public double totalLoad() { |
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35 double sum = 0d; |
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36 for (double load: loads) { |
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37 sum += load; |
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38 } |
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39 return sum; |
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40 } |
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41 |
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42 public void calculateNormLoads() { |
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43 double total = totalLoad(); |
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44 if (Math.abs(total) < EPSILON) { |
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45 System.arraycopy(loads, 0, normLoads, 0, loads.length); |
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46 return; |
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47 } |
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48 total = 1d/total; |
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49 for (int i = 0; i < normLoads.length; ++i) { |
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50 normLoads[i] = total*loads[i]; |
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51 } |
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52 } |
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53 |
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54 /** |
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55 * Gets the loads for this instance. |
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56 * |
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57 * @return The loads. |
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58 */ |
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59 public double[] getLoads() { |
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60 return this.loads; |
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61 } |
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62 |
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63 /** |
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64 * Gets the loads for this instance. |
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65 * |
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66 * @param index The index to get. |
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67 * @return The loads. |
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68 */ |
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69 public double getLoads(int index) { |
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70 return this.loads[index]; |
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71 } |
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72 |
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73 /** |
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74 * Gets the normLoads for this instance. |
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75 * |
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76 * @return The normLoads. |
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77 */ |
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78 public double[] getNormLoads() { |
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79 return this.normLoads; |
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80 } |
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81 |
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82 /** |
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83 * Gets the normLoads for this instance. |
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84 * |
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85 * @param index The index to get. |
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86 * @return The normLoads. |
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87 */ |
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88 public double getNormLoads(int index) { |
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89 return this.normLoads[index]; |
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90 } |
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91 |
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92 public double sandNormFraction() { |
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93 double sum = 0d; |
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94 for (int i = 8; i < normLoads.length; ++i) { |
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95 sum += normLoads[i]; |
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96 } |
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97 return sum; |
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98 } |
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99 |
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100 public double coarseNormFraction() { |
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101 double sum = 0d; |
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102 for (int i = 0; i < 4; ++i) { |
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103 sum += normLoads[i]; |
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104 } |
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105 return sum; |
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106 } |
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107 |
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108 public double gravelNormFraction() { |
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109 double sum = 0d; |
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110 for (int i = 4; i < 8; ++i) { |
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111 sum += normLoads[i]; |
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112 } |
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113 return sum; |
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S(Q) calculate effective width
Sascha L. Teichmann <teichmann@intevation.de>
parents:
4001
diff
changeset
|
114 } |
3992
a9c93b7c9da1
Simpify the S(Q) fraction sieving stuff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
115 } |
a9c93b7c9da1
Simpify the S(Q) fraction sieving stuff.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
116 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |