Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Parameters.java @ 2744:c1f2e792704a

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FixA: Calculate Delta W/t, too. flys-artifacts/trunk@4479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 23 May 2012 18:27:45 +0000
parents a441be7f1589
children f87fcedbfa82
rev   line source
2695
ae0742f92cd5 Added model to store fitting results into cache.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import gnu.trove.TDoubleArrayList;
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4
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5 import java.io.Serializable;
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6
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7 public class Parameters
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8 implements Serializable
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9 {
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10 protected String [] columnNames;
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11 protected TDoubleArrayList [] columns;
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12
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13 public Parameters() {
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14 }
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15
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16 public Parameters(String [] columnNames) {
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17 if (columnNames == null || columnNames.length < 1) {
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18 throw new IllegalArgumentException("columnNames too short.");
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19 }
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20 this.columnNames = columnNames;
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21 columns = new TDoubleArrayList[columnNames.length];
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22 for (int i = 0; i < columns.length; ++i) {
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23 columns[i] = new TDoubleArrayList();
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24 }
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25 }
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26
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27 public int columnIndex(String name) {
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28 for (int i = 0; i < columnNames.length; ++i) {
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29 if (name.equals(name)) {
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30 return i;
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31 }
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32 }
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33 return -1;
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34 }
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35
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36 public int newRow() {
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37
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38 int N = columns[0].size();
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39
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40 for (int i = 0; i < columns.length; ++i) {
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41 columns[i].add(Double.NaN);
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42 }
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43
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44 return N;
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45 }
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46
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47 public double get(int i, int index) {
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48 return columns[index].getQuick(i);
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49 }
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50
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51 public double get(int i, String columnName) {
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52 int index = columnIndex(columnName);
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53 return index >= 0
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54 ? columns[index].getQuick(i)
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55 : Double.NaN;
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56 }
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57
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58 public void set(int i, String columnName, double value) {
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59 int idx = columnIndex(columnName);
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60 if (idx >= 0) {
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61 columns[i].setQuick(idx, value);
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62 }
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63 }
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64
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65 public int size() {
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66 return columns[0].size();
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67 }
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68
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69 public int getNumberColumns() {
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70 return columnNames.length;
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71 }
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72
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73 public String [] getColumnNames() {
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74 return columnNames;
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75 }
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76
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77 public void removeNaNs() {
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78 W.removeNaNs(columns);
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79 }
2744
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80
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81 public int [] columnIndices(String [] columns) {
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82 int [] indices = new int[columns.length];
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83 for (int i = 0; i < columns.length; ++i) {
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84 indices[i] = columnIndex(columns[i]);
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85 }
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86 return indices;
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87 }
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88
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89 public void get(int row, int [] columnIndices, double [] values) {
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90 for (int i = 0; i < columnIndices.length; ++i) {
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91 int index = columnIndices[i];
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92 values[i] = index >= 0 && index < columns.length
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93 ? columns[index].getQuick(row)
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94 : Double.NaN;
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95 }
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org