Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java @ 592:3c939c95c477
Removed accidental checkin of Test-Shapefiles
gnv-artifacts/trunk@647 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Fri, 29 Jan 2010 13:28:28 +0000 |
parents | 92b7ccbf6163 |
children | b1f5f2a8840f |
rev | line source |
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1 package de.intevation.gnv.jfreechart; |
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2 |
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3 import java.util.Map; |
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4 import java.util.HashMap; |
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5 |
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6 import org.jfree.data.Range; |
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7 import org.jfree.data.general.Series; |
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8 |
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9 /** |
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10 * @author Sascha Teichmann <sascha.teichmann@intevation.de> |
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11 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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12 */ |
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13 public class PolygonSeries |
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14 extends Series |
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15 { |
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16 protected CompactXYItems [] rings; |
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17 protected Map attributes; |
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18 |
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19 private static long uniqueKey; |
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20 |
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21 protected synchronized static Long createUniqueKey() { |
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22 return new Long(uniqueKey++); |
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23 } |
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24 |
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25 public PolygonSeries() { |
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26 this(createUniqueKey(), null); |
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27 } |
422
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28 |
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29 public PolygonSeries(Comparable key, CompactXYItems [] rings) { |
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30 this(key, null, rings, new HashMap()); |
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31 } |
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32 |
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33 public PolygonSeries( |
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34 Comparable key, |
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35 String description, |
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36 CompactXYItems[] rings |
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37 ) { |
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38 this(key, description, rings, new HashMap()); |
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39 } |
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40 |
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41 public PolygonSeries( |
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42 Comparable key, |
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43 String description, |
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44 CompactXYItems [] rings, |
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45 Map attributes |
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46 ) { |
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47 super(key, description); |
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48 this.rings = rings; |
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49 this.attributes = attributes; |
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50 } |
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51 |
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52 |
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53 public void setRings(CompactXYItems [] rings) { |
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54 this.rings = rings; |
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55 } |
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56 |
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57 public CompactXYItems [] getRings() { |
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58 return rings; |
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59 } |
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60 |
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61 public void addRing(CompactXYItems newRing) { |
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62 if (rings == null) { |
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63 rings = new CompactXYItems [] { newRing }; |
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64 } |
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65 else { |
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66 CompactXYItems [] nRings = new CompactXYItems[rings.length + 1]; |
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67 System.arraycopy(rings, 0, nRings, 0, rings.length); |
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68 nRings[rings.length] = newRing; |
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69 rings = nRings; |
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70 } |
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71 } |
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72 |
422
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73 public void addRings(CompactXYItems [] newRings) { |
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74 if (newRings == null || newRings.length == 0) { |
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75 return; |
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76 } |
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77 if (rings == null || rings.length == 0) { |
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78 rings = newRings; |
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79 } |
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80 else { |
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81 CompactXYItems [] both = |
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82 new CompactXYItems[rings.length + newRings.length]; |
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83 System.arraycopy(rings, 0, both, 0, rings.length); |
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84 System.arraycopy(newRings, 0, both, rings.length, newRings.length); |
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85 rings = both; |
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86 } |
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87 } |
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88 |
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89 public Object getAttribute(Object key) { |
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90 return attributes.get(key); |
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91 } |
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92 |
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93 |
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94 public Object setAttribute(Object key, Object value) { |
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95 return attributes.put(key, value); |
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96 } |
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97 |
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98 |
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99 public int getItemCount() { |
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100 return rings != null ? rings.length : 0; |
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101 } |
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102 |
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103 |
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104 public CompactXYItems getItem(int idx) { |
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105 return rings[idx]; |
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106 } |
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107 |
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108 |
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109 public Object removeAttribute(Object key) { |
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110 return attributes.remove(key); |
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111 } |
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112 |
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113 |
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114 public boolean hasAttribute(Object key) { |
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115 return attributes.containsKey(key); |
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116 } |
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117 |
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118 |
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119 public Range getDomainBounds() { |
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120 double upper = Double.NEGATIVE_INFINITY; |
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121 double lower = Double.POSITIVE_INFINITY; |
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122 int count = getItemCount(); |
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123 |
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124 for (int i = 0; i < count; i++) { |
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125 CompactXYItems items = getItem(i); |
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126 double minX = items.getMinX(); |
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127 double maxX = items.getMaxX(); |
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128 |
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129 if (!Double.isNaN(minX)) { |
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130 lower = Math.min(lower, minX); |
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131 } |
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132 |
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133 if (!Double.isNaN(maxX)) { |
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134 upper = Math.max(upper, maxX); |
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135 } |
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136 } |
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137 |
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138 if (lower > upper) { |
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139 return null; |
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140 } |
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141 |
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142 return new Range(lower, upper); |
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143 } |
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144 |
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145 |
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146 public Range getRangeBounds() { |
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147 double upper = Double.NEGATIVE_INFINITY; |
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148 double lower = Double.POSITIVE_INFINITY; |
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149 int count = getItemCount(); |
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150 |
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151 for (int i = 0; i < count; i++) { |
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152 CompactXYItems items = getItem(i); |
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153 double minY = items.getMinY(); |
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154 double maxY = items.getMaxY(); |
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155 |
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156 if (!Double.isNaN(minY)) { |
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157 lower = Math.min(lower, minY); |
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158 } |
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159 |
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160 if (!Double.isNaN(maxY)) { |
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161 upper = Math.max(upper, maxY); |
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162 } |
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163 } |
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164 |
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165 if (lower > upper) { |
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166 return null; |
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167 } |
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168 |
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169 return new Range(lower, upper); |
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170 } |
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171 } |
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172 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |