Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StyledSeriesBuilder.java @ 2601:9e8459c2e7d4

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Fix flys/issue491 (areas over axis stop at zero). flys-artifacts/trunk@4178 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 22 Mar 2012 10:56:20 +0000
parents 63f44b8b41a3
children 6fda6ec9e426
rev   line source
1791
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.exports;
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2
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
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3 import org.apache.log4j.Logger;
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4
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5 import org.jfree.data.xy.XYSeries;
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6
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7 import de.intevation.flys.artifacts.model.WKms;
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8 import de.intevation.flys.artifacts.model.WQKms;
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9 import de.intevation.flys.artifacts.model.WWQQ;
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10
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
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11 /**
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12 * Helper to create and modify StyledXYSeries.
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13 */
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14 public class StyledSeriesBuilder {
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15
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16 /**
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17 * JFreeChart and the area calculation will fail if we use Double.INFINITY
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18 * or Double.MAX_VALUE (probably because these are really used in
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19 * calculations). We define and use a more handy value instead.
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20 */
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21 final static double BIG_DOUBLE_VALUE = 1234567d;
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22
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23 private static final Logger logger = Logger.getLogger
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24 (StyledSeriesBuilder.class);
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25
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26
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
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27 /**
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28 * Trivial, hidden constructor.
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29 */
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30 private StyledSeriesBuilder() {
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31 }
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32
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33
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34 /**
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
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35 * Add points to series.
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36 *
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37 * @param series Series to add points to.
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38 * @param points Points to add to series, points[0] to 1st dim, points[1]
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39 * to 2nd dim.
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40 */
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41 public static void addPoints(XYSeries series, double[][] points) {
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ddb7b7da6199 Fix/survive certain minor malconditions.
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42 if (points == null || points.length <= 1) {
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43 return;
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44 }
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45 double [] xPoints = points[0];
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46 double [] yPoints = points[1];
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47 for (int i = 0; i < xPoints.length; i++) {
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48 if (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i])) {
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49 logger.warn ("Skipping NaN in StyledSeriesBuilder.");
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50 continue;
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51 }
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52 series.add(xPoints[i], yPoints[i], false);
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53 }
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54 }
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55
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56
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57 /**
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58 * Add points to series (km to 1st dim, w to 2nd dim).
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59 *
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60 * @param series Series to add points to.
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61 * @param points Points to add to series.
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62 */
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63 public static void addPoints(XYSeries series, WKms wkms) {
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64 if (wkms == null) {
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65 return;
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66 }
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67
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68 int size = wkms.size();
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69
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70 for (int i = 0; i < size; i++) {
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71 series.add(wkms.getKm(i), wkms.getW(i), false);
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72 }
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73 }
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74
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75
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76 /**
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77 * Add points to series (km to 1st dim, q to 2nd dim).
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78 *
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79 * @param series Series to add points to.
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80 * @param points Points to add to series.
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81 */
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82 public static void addPointsKmQ(XYSeries series, WQKms wqkms) {
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83 if (wqkms == null) {
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84 return;
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85 }
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86
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87 int size = wqkms.size();
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88
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89 for (int i = 0; i < size; i++) {
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90 series.add(wqkms.getKm(i), wqkms.getQ(i), false);
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91 }
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92 }
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93
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94
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95 /**
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96 * Add points to series (q to 1st dim, w to 2nd dim).
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97 *
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98 * @param series Series to add points to.
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99 * @param points Points to add to series.
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100 */
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101 public static void addPointsQW(XYSeries series, WQKms wqkms) {
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102 if (wqkms == null) {
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103 return;
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104 }
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105
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106 int size = wqkms.size();
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107
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108 for (int i = 0; i < size; i++) {
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109 series.add(wqkms.getQ(i), wqkms.getW(i));
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110 }
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111 }
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112
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113
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114 /**
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115 * Add points to series (q to 1st dim, w to 2nd dim).
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116 *
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117 * @param series Series to add points to.
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118 * @param points Points to add to series.
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119 */
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120 public static void addPoints(XYSeries series, WWQQ wwqq) {
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121 if (wwqq == null) {
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122 return;
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123 }
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124
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125 int size = wwqq.size();
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126
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127 for (int i = 0; i < size; i++) {
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128 series.add(wwqq.getW1(i), wwqq.getW2(i));
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129 }
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130 }
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131
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132
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133 /**
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134 * Create a Series such that an infinitely big area can be filled
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135 * between the newly created and the given series.
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136 */
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137 public static XYSeries createGroundAtInfinity(XYSeries series) {
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138 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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139 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE);
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140 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE);
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141 return ground;
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142 }
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143
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144
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145 /**
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146 * Create a Series such that an infinitely big area can be filled
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147 * between the newly created and the given series.
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148 */
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149 public static XYSeries createCeilingAtInfinity(XYSeries series) {
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150 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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151 ground.add(series.getMinX(), BIG_DOUBLE_VALUE);
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152 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE);
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153 return ground;
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154 }
1791
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155 }
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156 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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