Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/StyledSeriesBuilder.java @ 2723:5ce5abd173b9

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Added skeleton for gauge discharge curves. flys-artifacts/trunk@4454 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 22 May 2012 09:06:02 +0000
parents 6fda6ec9e426
children 5642a83420f2
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
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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 *
e0e5a5b51a40 Added new StyledSeriesBuilder class and use it when adding points to XYSeries (in diagram generation).
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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 * @param skipNANs if true, skip NAN values in points parameter.
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41 */
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42 public static void addPoints(XYSeries series, double[][] points, boolean skipNANs) {
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43 if (points == null || points.length <= 1) {
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44 return;
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45 }
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46 double [] xPoints = points[0];
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47 double [] yPoints = points[1];
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48 for (int i = 0; i < xPoints.length; i++) {
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49 if (skipNANs &&
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50 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) {
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51 logger.warn ("Skipping NaN in StyledSeriesBuilder.");
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52 continue;
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53 }
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54 series.add(xPoints[i], yPoints[i], false);
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55 }
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56 }
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57
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58
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59 /**
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60 * Add points to series (km to 1st dim, w to 2nd dim).
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61 *
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62 * @param series Series to add points to.
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63 * @param points Points to add to series.
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64 */
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65 public static void addPoints(XYSeries series, WKms wkms) {
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66 if (wkms == null) {
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67 return;
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68 }
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69
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70 int size = wkms.size();
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71
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72 for (int i = 0; i < size; i++) {
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73 series.add(wkms.getKm(i), wkms.getW(i), false);
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74 }
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75 }
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76
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77
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78 /**
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79 * Add points to series (km to 1st dim, q to 2nd dim).
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80 *
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81 * @param series Series to add points to.
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82 * @param points Points to add to series.
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83 */
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84 public static void addPointsKmQ(XYSeries series, WQKms wqkms) {
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85 if (wqkms == null) {
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86 return;
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87 }
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88
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89 int size = wqkms.size();
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90
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91 for (int i = 0; i < size; i++) {
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92 series.add(wqkms.getKm(i), wqkms.getQ(i), false);
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93 }
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94 }
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95
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96
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97 /**
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98 * Add points to series (q to 1st dim, w to 2nd dim).
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99 *
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100 * @param series Series to add points to.
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101 * @param points Points to add to series.
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102 */
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103 public static void addPointsQW(XYSeries series, WQKms wqkms) {
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104 if (wqkms == null) {
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105 return;
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106 }
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107
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108 int size = wqkms.size();
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109
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110 for (int i = 0; i < size; i++) {
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111 series.add(wqkms.getQ(i), wqkms.getW(i));
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112 }
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113 }
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114
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115
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116 /**
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117 * Add points to series (q to 1st dim, w to 2nd dim).
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118 *
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119 * @param series Series to add points to.
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120 * @param points Points to add to series.
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121 */
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122 public static void addPoints(XYSeries series, WWQQ wwqq) {
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123 if (wwqq == null) {
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124 return;
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125 }
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126
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127 int size = wwqq.size();
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128
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129 for (int i = 0; i < size; i++) {
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130 series.add(wwqq.getW1(i), wwqq.getW2(i));
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131 }
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132 }
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133
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134
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135 /**
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136 * Create a Series such that an infinitely big area can be filled
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137 * between the newly created and the given series.
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138 */
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139 public static XYSeries createGroundAtInfinity(XYSeries series) {
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140 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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141 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE);
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142 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE);
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143 return ground;
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144 }
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145
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146
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147 /**
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148 * Create a Series such that an infinitely big area can be filled
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149 * between the newly created and the given series.
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150 */
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151 public static XYSeries createCeilingAtInfinity(XYSeries series) {
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152 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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153 ground.add(series.getMinX(), BIG_DOUBLE_VALUE);
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154 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE);
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155 return ground;
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156 }
1791
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157 }
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158 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org