annotate artifacts/src/main/java/org/dive4elements/river/exports/StyledSeriesBuilder.java @ 5863:4897a58c8746

River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import org.jfree.data.xy.XYSeries;
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14
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15 import org.dive4elements.river.artifacts.model.WKms;
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16 import org.dive4elements.river.artifacts.model.WQKms;
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17 import org.dive4elements.river.artifacts.model.WWQQ;
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18
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19 /**
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20 * Helper to create and modify StyledXYSeries.
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21 */
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22 public class StyledSeriesBuilder {
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23
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24 /**
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25 * JFreeChart and the area calculation will fail if we use Double.INFINITY
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26 * or Double.MAX_VALUE (probably because these are really used in
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27 * calculations). We define and use a more handy value instead.
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28 */
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29 final static double BIG_DOUBLE_VALUE = 1234567d;
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30
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31 private static final Logger logger = Logger.getLogger
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32 (StyledSeriesBuilder.class);
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33
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34
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35 /**
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36 * Trivial, hidden constructor.
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37 */
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38 private StyledSeriesBuilder() {
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39 }
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40
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41
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42 /**
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43 * Add points to series.
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44 *
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45 * @param series Series to add points to.
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46 * @param points Points to add to series, points[0] to 1st dim, points[1]
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47 * to 2nd dim.
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48 * @param skipNANs if true, skip NAN values in points parameter.
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49 */
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50 public static void addPoints(XYSeries series, double[][] points, boolean skipNANs) {
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51 if (points == null || points.length <= 1) {
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52 return;
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53 }
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54 double [] xPoints = points[0];
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55 double [] yPoints = points[1];
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56 for (int i = 0; i < xPoints.length; i++) {
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57 if (skipNANs &&
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58 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) {
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59 logger.warn ("Skipping NaN in StyledSeriesBuilder.");
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60 continue;
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61 }
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62 series.add(xPoints[i], yPoints[i], false);
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63 }
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64 }
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65
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66
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67 /**
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68 * Add points to series (km to 1st dim, w to 2nd dim).
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69 *
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70 * @param series Series to add points to.
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71 * @param wkms WKms to add to series.
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72 */
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73 public static void addPoints(XYSeries series, WKms wkms) {
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74 if (wkms == null) {
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75 return;
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76 }
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77
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78 int size = wkms.size();
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79
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80 for (int i = 0; i < size; i++) {
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81 series.add(wkms.getKm(i), wkms.getW(i), false);
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82 }
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83 }
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84
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85
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86 /**
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87 * Add points to dataset with an offset (shift all points by given amount).
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88 * @param series series to add data to.
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89 * @param wkms WKms of which the Ws will be shifted.
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90 * @param off the offset.
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91 */
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92 public static void addUpperBand(XYSeries series, WKms wkms, double off) {
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93 if (wkms == null) {
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94 return;
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95 }
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96
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97 int size = wkms.size();
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98
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99 for (int i = 0; i < size; i++) {
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100 series.add(wkms.getKm(i), wkms.getW(i)+off, false);
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101 }
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102 }
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103
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104
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105 /**
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106 * Add points to dataset with an offset (shift all points 'down' by given
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107 * amount).
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108 * @param series series to add data to.
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109 * @param wkms WKms of which the Ws will be shifted.
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110 * @param off the offset.
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111 */
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112 public static void addLowerBand(XYSeries series, WKms wkms, double off) {
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113 addUpperBand(series, wkms, -off);
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114 }
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115
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116
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117 /**
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118 * Add points to series (km to 1st dim, q to 2nd dim).
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119 *
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120 * @param series Series to add points to.
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121 * @param wqkms WQKms to add to series.
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122 */
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123 public static void addPointsKmQ(XYSeries series, WQKms wqkms) {
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124 if (wqkms == null) {
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125 return;
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126 }
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127
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128 int size = wqkms.size();
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129
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130 for (int i = 0; i < size; i++) {
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131 series.add(wqkms.getKm(i), wqkms.getQ(i), false);
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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 /**
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137 * Add points to series (km to 1st dim, q to 2nd dim), adding points
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138 * to achieve a step-like curve.
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139 *
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140 * @param series Series to add points to.
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141 * @param wqkms WQKms to add to series.
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142 */
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143 public static void addStepPointsKmQ(XYSeries series, WQKms wqkms) {
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144 if (wqkms == null) {
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145 return;
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146 }
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147
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148 int size = wqkms.size();
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149
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150 for (int i = 0; i < size; i++) {
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151 if (i==0) {
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152 series.add(wqkms.getKm(i), wqkms.getQ(i), false);
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153 }
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154 else {
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155 //Add two points.
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156 double halveX = (wqkms.getKm(i-1) + wqkms.getKm(i)) / 2d;
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157 series.add(halveX, wqkms.getQ(i-1), false);
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158 series.add(halveX, wqkms.getQ(i), false);
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159 }
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160 if (i == size-1) {
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161 series.add(wqkms.getKm(i), wqkms.getQ(i), false);
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162 }
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163 }
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164 }
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165
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166
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167 /**
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168 * Add points to series (q to 1st dim, w to 2nd dim).
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169 *
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170 * @param series Series to add points to.
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171 * @param wqkms WQKms to add to series.
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172 */
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173 public static void addPointsQW(XYSeries series, WQKms wqkms) {
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diff changeset
174 if (wqkms == null) {
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175 return;
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176 }
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diff changeset
177
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178 int size = wqkms.size();
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179
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180 for (int i = 0; i < size; i++) {
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181 series.add(wqkms.getQ(i), wqkms.getW(i), false);
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182 }
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183 }
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184
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185
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186 /**
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187 * Add points to series (q to 1st dim, w to 2nd dim).
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188 *
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189 * @param series Series to add points to.
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190 * @param qs the Qs to add, assumed same length than ws.
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191 * @param ws the Ws to add, assumed same length than qs.
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192 */
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193 public static void addPointsQW(XYSeries series, double[] qs, double ws[]) {
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194 if (ws == null || qs == null) {
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195 return;
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196 }
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197
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diff changeset
198 int size = qs.length;
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199
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200 for (int i = 0; i < size; i++) {
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diff changeset
201 series.add(qs[i], ws[i], false);
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diff changeset
202 }
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parents: 3395
diff changeset
203 }
e62f70c2213d StyledSeriesBuilder: New addPointsQW accepting double[]s.
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diff changeset
204
e62f70c2213d StyledSeriesBuilder: New addPointsQW accepting double[]s.
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205
e62f70c2213d StyledSeriesBuilder: New addPointsQW accepting double[]s.
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parents: 3395
diff changeset
206 /**
e62f70c2213d StyledSeriesBuilder: New addPointsQW accepting double[]s.
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diff changeset
207 * Add points to series (q to 1st dim, w to 2nd dim).
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diff changeset
208 *
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diff changeset
209 * @param series Series to add points to.
3284
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diff changeset
210 * @param wwqq WWQQ to add to series.
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diff changeset
211 */
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diff changeset
212 public static void addPoints(XYSeries series, WWQQ wwqq) {
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diff changeset
213 if (wwqq == null) {
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diff changeset
214 return;
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215 }
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216
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diff changeset
217 int size = wwqq.size();
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diff changeset
218
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diff changeset
219 for (int i = 0; i < size; i++) {
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diff changeset
220 series.add(wwqq.getW1(i), wwqq.getW2(i), false);
2601
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diff changeset
221 }
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diff changeset
222 }
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diff changeset
223
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diff changeset
224
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diff changeset
225 /**
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226 * Create a Series such that an infinitely big area can be filled
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227 * between the newly created and the given series.
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diff changeset
228 */
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diff changeset
229 public static XYSeries createGroundAtInfinity(XYSeries series) {
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diff changeset
230 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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diff changeset
231 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE);
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diff changeset
232 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE);
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diff changeset
233 return ground;
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diff changeset
234 }
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diff changeset
235
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parents: 2571
diff changeset
236
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diff changeset
237 /**
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238 * Create a Series such that an infinitely big area can be filled
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diff changeset
239 * between the newly created and the given series.
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diff changeset
240 */
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diff changeset
241 public static XYSeries createCeilingAtInfinity(XYSeries series) {
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diff changeset
242 XYSeries ground = new XYSeries(series.getKey() + /** TODO rand + */ "INF");
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diff changeset
243 ground.add(series.getMinX(), BIG_DOUBLE_VALUE);
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diff changeset
244 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE);
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diff changeset
245 return ground;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2571
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246 }
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
247 }
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
248 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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