Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Calculation1.java @ 6152:0587819960c3
Waterlevel differences & bed height differences: Add new model LinearInterpolated intented to unify the two very similiar calculations. The focus of the current implementation is correctness and not speed! The fact that the data sets more mostly sorted by station is not exploited. Doing so would improve performance significantly.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 02 Jun 2013 17:52:53 +0200 |
parents | af13ceeba52a |
children | e4606eae8ea5 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.model; |
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10 |
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11 import java.util.ArrayList; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 |
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15 public class Calculation1 |
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16 extends Calculation |
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17 { |
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18 private static Logger logger = Logger.getLogger(Calculation1.class); |
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19 |
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20 protected double [] kms; |
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21 protected double [] qs; |
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22 protected double [] ws; |
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23 protected double refKm; |
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24 |
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25 public Calculation1() { |
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26 } |
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27 |
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28 public Calculation1( |
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29 double [] kms, |
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30 double [] qs, |
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31 double [] ws, |
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32 double refKm |
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33 ) { |
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34 this.kms = kms; |
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35 this.qs = qs; |
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36 this.ws = ws; |
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37 this.refKm = refKm; |
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38 } |
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39 |
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40 public CalculationResult calculate(WstValueTable wst) { |
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41 |
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42 ArrayList<WQKms> results = new ArrayList<WQKms>(); |
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43 |
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44 String prefix; |
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45 double [] origData; |
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46 |
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47 if (ws != null) { prefix = "W="; origData = ws; } |
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48 else { prefix = "Q="; origData = qs; } |
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49 |
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50 int oldNumProblems = numProblems(); |
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51 |
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52 for (int i = 0; i < qs.length; i++) { |
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53 |
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54 double [] oqs = new double[kms.length]; |
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55 double [] ows = new double[kms.length]; |
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56 |
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57 boolean success = |
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58 wst.interpolate(qs[i], refKm, kms, ows, oqs, this) != null; |
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59 |
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60 int newNumProblems = numProblems(); |
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61 |
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62 if (success) { |
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63 WQKms result = new WQKms(kms, oqs, ows, prefix + origData[i]); |
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64 if (oldNumProblems != newNumProblems) { |
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65 logger.debug( |
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66 qs[i] + " caused " + (newNumProblems-oldNumProblems) + |
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67 " new problem(s)."); |
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68 result.removeNaNs(); |
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69 } |
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70 results.add(result); |
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71 } |
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72 |
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73 oldNumProblems = newNumProblems; |
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74 } |
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75 |
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76 return new CalculationResult( |
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77 results.toArray(new WQKms[results.size()]), |
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78 this); |
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79 } |
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80 } |
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |