Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java @ 605:e8ebdbc7f1e3

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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>
date Tue, 09 Feb 2010 14:27:55 +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 :
http://dive4elements.wald.intevation.org