Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java @ 422:f426f55d4f7a

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Added Ingo Weinzierl's special JFreeChart classes. gnv-artifacts/trunk@470 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 21 Dec 2009 16:47:45 +0000
parents
children 6642ab6c583c
rev   line source
422
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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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
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20 public PolygonSeries(Comparable key, CompactXYItems [] rings) {
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21 this(key, null, rings, new HashMap());
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22 }
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23
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24 public PolygonSeries(
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25 Comparable key,
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26 String description,
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27 CompactXYItems[] rings
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28 ) {
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29 this(key, description, rings, new HashMap());
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30 }
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31
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32 public PolygonSeries(
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33 Comparable key,
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34 String description,
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35 CompactXYItems [] rings,
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36 Map attributes
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37 ) {
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38 super(key, description);
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39 this.rings = rings;
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40 this.attributes = attributes;
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41 }
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42
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43
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44 public void setRings(CompactXYItems [] rings) {
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45 this.rings = rings;
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46 }
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47
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48 public CompactXYItems [] getRings() {
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49 return rings;
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50 }
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51
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52 public void addRings(CompactXYItems [] newRings) {
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53 if (newRings == null || newRings.length == 0) {
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54 return;
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55 }
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56 if (rings == null || rings.length == 0) {
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57 rings = newRings;
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58 }
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59 else {
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60 CompactXYItems [] both =
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61 new CompactXYItems[rings.length + newRings.length];
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62 System.arraycopy(rings, 0, both, 0, rings.length);
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63 System.arraycopy(newRings, 0, both, rings.length, newRings.length);
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64 rings = both;
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65 }
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66 }
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67
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68 public Object getAttribute(Object key) {
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69 return attributes.get(key);
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70 }
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71
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72
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73 public Object setAttribute(Object key, Object value) {
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74 return attributes.put(key, value);
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75 }
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76
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77
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78 public int getItemCount() {
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79 return rings.length;
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80 }
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81
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82
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83 public CompactXYItems getItem(int idx) {
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84 return rings[idx];
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85 }
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86
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87
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88 public Object removeAttribute(Object key) {
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89 return attributes.remove(key);
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90 }
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91
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92
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93 public boolean hasAttribute(Object key) {
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94 return attributes.containsKey(key);
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95 }
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96
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97
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98 public Range getDomainBounds() {
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99 double upper = Double.NEGATIVE_INFINITY;
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100 double lower = Double.POSITIVE_INFINITY;
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101 int count = getItemCount();
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102
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103 for (int i = 0; i < count; i++) {
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104 CompactXYItems items = getItem(i);
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105 double minX = items.getMinX();
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106 double maxX = items.getMaxX();
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107
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108 if (!Double.isNaN(minX)) {
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109 lower = Math.min(lower, minX);
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110 }
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111
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112 if (!Double.isNaN(maxX)) {
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113 upper = Math.max(upper, maxX);
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114 }
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115 }
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116
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117 if (lower > upper) {
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118 return null;
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119 }
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120
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121 return new Range(lower, upper);
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122 }
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123
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124
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125 public Range getRangeBounds() {
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126 double upper = Double.NEGATIVE_INFINITY;
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127 double lower = Double.POSITIVE_INFINITY;
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128 int count = getItemCount();
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129
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130 for (int i = 0; i < count; i++) {
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131 CompactXYItems items = getItem(i);
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132 double minY = items.getMinY();
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133 double maxY = items.getMaxY();
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134
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135 if (!Double.isNaN(minY)) {
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136 lower = Math.min(lower, minY);
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137 }
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138
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139 if (!Double.isNaN(maxY)) {
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140 upper = Math.max(upper, maxY);
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141 }
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142 }
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143
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144 if (lower > upper) {
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145 return null;
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146 }
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147
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148 return new Range(lower, upper);
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149 }
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150 }
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151 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org