Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/CompactXYItems.java @ 605:e8ebdbc7f1e3
First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog).
gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 09 Feb 2010 14:27:55 +0000 |
parents | f426f55d4f7a |
children | c4156275c1e1 |
rev | line source |
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422
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1 package de.intevation.gnv.jfreechart; |
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2 |
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3 import java.io.Serializable; |
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4 |
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5 /** |
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6 * @author Sascha Teichmann <sascha.teichmann@intevation.de> |
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7 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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8 */ |
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9 public class CompactXYItems |
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10 implements Serializable |
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11 { |
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12 protected double [] data; |
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13 |
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14 public CompactXYItems(double [] data) { |
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15 this.data = data; |
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16 } |
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17 |
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18 public double getX(int index) { |
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19 return data[index << 1]; |
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20 } |
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21 |
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22 public double getY(int index) { |
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23 return data[(index << 1)+1]; |
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24 } |
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25 |
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26 public void get(int index, double [] xy) { |
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27 xy[0] = data[index = (index << 1) + 1]; |
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28 xy[1] = data[index + 1]; |
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29 } |
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30 |
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31 public double [] getData() { |
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32 return data; |
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33 } |
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34 |
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35 public void setData(double [] data) { |
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36 this.data = data; |
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37 } |
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38 |
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39 public int size() { |
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40 return data.length >> 1; |
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41 } |
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42 |
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43 public double [] calculateBoundingBox(double [] bbox) { |
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44 for (int i = 0; i < data.length;) { |
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45 double x = data[i++]; |
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46 double y = data[i++]; |
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47 if (x < bbox[0]) bbox[0] = x; |
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48 if (y < bbox[1]) bbox[1] = y; |
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49 if (x > bbox[2]) bbox[2] = x; |
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50 if (y > bbox[3]) bbox[3] = y; |
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51 } |
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52 return bbox; |
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53 } |
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54 |
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55 public String toString() { |
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56 StringBuilder sb = new StringBuilder(); |
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57 for (int i = 0; i < data.length;) { |
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58 if (i > 0) sb.append("; "); |
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59 sb.append('('); |
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60 sb.append(data[i++]); |
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61 sb.append(", "); |
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62 sb.append(data[i++]); |
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63 sb.append(')'); |
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64 } |
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65 return sb.toString(); |
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66 } |
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67 |
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68 |
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69 public double getMinX() { |
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70 double lower = Double.POSITIVE_INFINITY; |
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71 |
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72 for (int i = 0; i < data.length; i += 2) { |
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73 double x = data[i]; |
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74 |
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75 if (!Double.isNaN(x)) { |
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76 lower = Math.min(lower, x); |
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77 } |
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78 } |
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79 |
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80 return lower; |
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81 } |
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82 |
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83 |
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84 public double getMaxX() { |
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85 double upper = Double.NEGATIVE_INFINITY; |
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86 |
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87 for (int i = 0; i < data.length; i += 2) { |
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88 double x = data[i]; |
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89 |
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90 if (!Double.isNaN(x)) { |
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91 upper = Math.max(upper, x); |
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92 } |
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93 } |
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94 |
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95 return upper; |
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96 } |
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97 |
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98 |
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99 public double getMinY() { |
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100 double lower = Double.POSITIVE_INFINITY; |
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101 |
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102 for (int i = 1; i < data.length; i += 2) { |
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103 double y = data[i]; |
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104 |
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105 if (!Double.isNaN(y)) { |
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106 lower = Math.min(lower, y); |
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107 } |
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108 } |
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109 |
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110 return lower; |
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111 } |
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112 |
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113 |
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114 public double getMaxY() { |
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115 double upper = Double.NEGATIVE_INFINITY; |
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116 |
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117 for (int i = 1; i < data.length; i += 2) { |
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118 double y = data[i]; |
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119 |
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120 if (!Double.isNaN(y)) { |
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121 upper = Math.max(upper, y); |
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122 } |
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123 } |
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124 |
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125 return upper; |
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126 } |
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127 } |
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128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |