Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/HeightValue.java @ 1062:58b4a07db856

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Cach improvement: remove the cached elements of each visited state that is visited while stepping back to a previous state. gnv-artifacts/trunk@1147 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 02 Jun 2010 09:52:39 +0000
parents a645bd23c1c8
children f953c9a559d8
rev   line source
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1 package de.intevation.gnv.math;
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2
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3 import java.io.Serializable;
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4
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5 import java.util.Comparator;
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6
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7 /**
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8 * An attributed height value. It holds a z value, a parameter value
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9 * and a layer index.
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10 *
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11 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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12 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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13 */
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14 public class HeightValue
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15 implements Serializable
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16 {
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17 /**
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18 * Comparator to sort <code>HeightValue</code>s by their z value
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19 * in reversed order.
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20 */
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21 public static final Comparator INV_Z_COMPARATOR = new Comparator() {
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22 public int compare(Object a, Object b) {
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23 HeightValue ha = (HeightValue)a;
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24 HeightValue hb = (HeightValue)b;
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25 if (ha.z > hb.z) return -1;
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26 if (ha.z < hb.z) return +1;
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27 return 0;
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28 }
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29 };
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30
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31 /**
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32 * The height value.
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33 */
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34 public double z;
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35
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36 /**
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37 * The parameter value.
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38 */
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39 public double v;
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41 /**
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42 * The layer index;
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43 */
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44 public int k;
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45
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46 /**
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47 * Constructor to create a HeightValue with a given height,
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48 * parameter value and layer index.
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49 * @param z The height.
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50 * @param v The parameter value.
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51 * @param k The layer index.
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52 */
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53 public HeightValue(double z, double v, int k) {
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54 this.z = z;
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55 this.v = v;
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56 this.k = k;
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57 }
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58
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59 /**
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60 * Return the height of this HeightValue.
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61 * @return the height.
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62 */
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63 public double getZ() {
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64 return z;
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65 }
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66
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67 /**
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68 * Return the parameter value of this HeightValue.
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69 * @return The parameter value.
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70 */
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71 public double getV() {
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72 return v;
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73 }
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74
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75 /**
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76 * Returns the layer index of this HeightValue.
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77 * @return The layer index.
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78 */
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79 public double getK() {
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80 return k;
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81 }
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82 }
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83 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org