Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java @ 779:b1f5f2a8840f

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Ordered imports. Removed needless imports. Removed empty headers. gnv-artifacts/trunk@854 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 08:51:20 +0000
parents 92b7ccbf6163
children c4156275c1e1
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.HashMap;
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4 import java.util.Map;
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5
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6 import org.jfree.data.Range;
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7
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8 import org.jfree.data.general.Series;
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9
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10 /**
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11 * @author Sascha Teichmann <sascha.teichmann@intevation.de>
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12 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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13 */
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14 public class PolygonSeries
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15 extends Series
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16 {
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17 protected CompactXYItems [] rings;
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18 protected Map attributes;
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19
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20 private static long uniqueKey;
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21
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22 protected synchronized static Long createUniqueKey() {
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23 return new Long(uniqueKey++);
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24 }
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25
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26 public PolygonSeries() {
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27 this(createUniqueKey(), null);
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28 }
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29
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30 public PolygonSeries(Comparable key, CompactXYItems [] rings) {
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31 this(key, null, rings, new HashMap());
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32 }
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33
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34 public PolygonSeries(
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35 Comparable key,
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36 String description,
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37 CompactXYItems[] rings
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38 ) {
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39 this(key, description, rings, new HashMap());
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40 }
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41
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42 public PolygonSeries(
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43 Comparable key,
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44 String description,
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45 CompactXYItems [] rings,
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46 Map attributes
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47 ) {
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48 super(key, description);
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49 this.rings = rings;
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50 this.attributes = attributes;
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51 }
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52
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53
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54 public void setRings(CompactXYItems [] rings) {
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55 this.rings = rings;
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56 }
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57
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58 public CompactXYItems [] getRings() {
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59 return rings;
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60 }
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61
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62 public void addRing(CompactXYItems newRing) {
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63 if (rings == null) {
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64 rings = new CompactXYItems [] { newRing };
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65 }
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66 else {
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67 CompactXYItems [] nRings = new CompactXYItems[rings.length + 1];
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68 System.arraycopy(rings, 0, nRings, 0, rings.length);
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69 nRings[rings.length] = newRing;
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70 rings = nRings;
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71 }
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72 }
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73
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74 public void addRings(CompactXYItems [] newRings) {
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75 if (newRings == null || newRings.length == 0) {
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76 return;
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77 }
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78 if (rings == null || rings.length == 0) {
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79 rings = newRings;
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80 }
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81 else {
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82 CompactXYItems [] both =
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83 new CompactXYItems[rings.length + newRings.length];
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84 System.arraycopy(rings, 0, both, 0, rings.length);
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85 System.arraycopy(newRings, 0, both, rings.length, newRings.length);
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86 rings = both;
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87 }
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88 }
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89
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90 public Object getAttribute(Object key) {
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91 return attributes.get(key);
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92 }
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93
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94
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95 public Object setAttribute(Object key, Object value) {
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96 return attributes.put(key, value);
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97 }
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98
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99
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100 public int getItemCount() {
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101 return rings != null ? rings.length : 0;
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102 }
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103
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104
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105 public CompactXYItems getItem(int idx) {
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106 return rings[idx];
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107 }
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108
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109
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110 public Object removeAttribute(Object key) {
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111 return attributes.remove(key);
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112 }
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113
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114
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115 public boolean hasAttribute(Object key) {
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116 return attributes.containsKey(key);
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117 }
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118
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119
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120 public Range getDomainBounds() {
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121 double upper = Double.NEGATIVE_INFINITY;
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122 double lower = Double.POSITIVE_INFINITY;
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123 int count = getItemCount();
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124
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125 for (int i = 0; i < count; i++) {
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126 CompactXYItems items = getItem(i);
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127 double minX = items.getMinX();
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128 double maxX = items.getMaxX();
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129
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130 if (!Double.isNaN(minX)) {
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131 lower = Math.min(lower, minX);
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132 }
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133
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134 if (!Double.isNaN(maxX)) {
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135 upper = Math.max(upper, maxX);
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136 }
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137 }
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138
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139 if (lower > upper) {
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140 return null;
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141 }
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142
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143 return new Range(lower, upper);
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144 }
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145
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146
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147 public Range getRangeBounds() {
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148 double upper = Double.NEGATIVE_INFINITY;
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149 double lower = Double.POSITIVE_INFINITY;
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150 int count = getItemCount();
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151
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152 for (int i = 0; i < count; i++) {
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153 CompactXYItems items = getItem(i);
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154 double minY = items.getMinY();
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155 double maxY = items.getMaxY();
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156
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157 if (!Double.isNaN(minY)) {
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158 lower = Math.min(lower, minY);
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159 }
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160
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161 if (!Double.isNaN(maxY)) {
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162 upper = Math.max(upper, maxY);
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163 }
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164 }
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165
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166 if (lower > upper) {
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167 return null;
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168 }
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169
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170 return new Range(lower, upper);
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171 }
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172 }
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173 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org