Mercurial > dive4elements > river

annotate flys-aft/src/main/java/de/intevation/aft/WQ.java @ 4798:39885bdfc6fc

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Added calculation of the "Umhuellende" to calculation of "W fuer ungleichwertige Abfluesse". This is done by figuring out the WST columns that imfold the data and then do simple "gleichwertige" calculations from the start of the interval. This is too much because only the Qs are needed for the "Umhuellende".
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 13 Jan 2013 16:18:28 +0100
parents 82f5266f881b
children
rev   line source
4091
a91c7e982c32 Make W/Q values from AFT and FLYS loadable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.aft;
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2
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3 import java.util.Comparator;
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4
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5 public class WQ
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6 {
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7 public static final double EPSILON = 1e-4;
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8
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82f5266f881b Add code to build the difference of the W/Q values of two discharge tables.
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9 public static final Comparator<WQ> EPS_CMP = new Comparator<WQ>() {
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10 @Override
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11 public int compare(WQ a, WQ b) {
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12 int cmp = compareEpsilon(a.q, b.q);
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13 if (cmp != 0) return cmp;
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14 return compareEpsilon(a.w, b.w);
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15 }
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16 };
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17
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18 protected int id;
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19
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20 protected double w;
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21 protected double q;
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22
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23 public WQ() {
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24 }
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25
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26 public WQ(double w, double q) {
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27 this.w = w;
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28 this.q = q;
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29 }
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30
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31 public WQ(int id, double w, double q) {
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32 this.id = id;
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33 this.w = w;
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34 this.q = q;
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35 }
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36
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37 public static final int compareEpsilon(double a, double b) {
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38 double diff = a - b;
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39 if (diff < -EPSILON) return -1;
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40 return diff > EPSILON ? +1 : 0;
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41 }
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42
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43 public int getId() {
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44 return id;
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45 }
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46
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47 public void setId(int id) {
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48 this.id = id;
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49 }
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50
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51 public double getW() {
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52 return w;
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53 }
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54
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55 public void setW(double w) {
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56 this.w = w;
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57 }
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58
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59 public double getQ() {
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60 return q;
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61 }
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62
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63 public void setQ(double q) {
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64 this.q = q;
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65 }
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66 }
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67 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org