Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/exports/StyledSeriesBuilder.java @ 9803:a440ebd5c23b 3.2.x tip
Avoid using outdated mod_wsgi in Docker setup
Run Wiki in standalone mode behind reverse proxy, which is provided by
a more up-to-date Apache web server. The wiki container is still based
on CentOS 7, because the included SSO integration component cannot be
build with more recent libraries.
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 21 Aug 2024 16:54:17 +0200 |
parents | 0a5239a1e46e |
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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 |
9726 | 11 import org.apache.logging.log4j.Logger; |
12 import org.apache.logging.log4j.LogManager; | |
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13 |
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14 import org.jfree.data.xy.XYSeries; |
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15 |
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16 import org.dive4elements.river.artifacts.model.WKms; |
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17 import org.dive4elements.river.artifacts.model.WQKms; |
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18 import org.dive4elements.river.artifacts.model.WWQQ; |
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19 |
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20 /** |
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21 * Helper to create and modify StyledXYSeries. |
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22 */ |
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23 public class StyledSeriesBuilder { |
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24 |
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25 /** |
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26 * JFreeChart and the area calculation will fail if we use Double.INFINITY |
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27 * or Double.MAX_VALUE (probably because these are really used in |
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28 * calculations). We define and use a more handy value instead. |
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29 */ |
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30 final static double BIG_DOUBLE_VALUE = 1234567d; |
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31 |
9726 | 32 private static final Logger log = LogManager.getLogger |
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33 (StyledSeriesBuilder.class); |
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34 |
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35 |
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36 /** |
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37 * Trivial, hidden constructor. |
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38 */ |
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39 private StyledSeriesBuilder() { |
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40 } |
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41 |
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42 |
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43 /** |
8856 | 44 * Add points to series, create gaps if certain distance |
45 * between points is met. | |
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46 * |
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47 * @param series Series to add points to. |
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48 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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49 * to 2nd dim. |
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50 * @param skipNANs if true, skip NAN values in points parameter. Otherwise, |
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51 * the NaNs lead to gaps in graph. |
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52 * @param distance if two consecutive entries in points[0] are more |
8856 | 53 * than distance apart, create a NaN value to skip |
54 * in display. | |
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55 */ |
8856 | 56 public static void addPoints( |
57 XYSeries series, | |
58 double[][] points, | |
59 boolean skipNANs, | |
60 double distance | |
61 ) { | |
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62 if (points == null || points.length <= 1) { |
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63 return; |
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64 } |
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65 double [] xPoints = points[0]; |
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66 double [] yPoints = points[1]; |
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67 for (int i = 0; i < xPoints.length; i++) { |
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68 if (skipNANs && |
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69 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
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70 continue; |
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71 } |
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72 // Create gap if distance between points > distance. |
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73 if (i > 0 && Math.abs(xPoints[i-1] - xPoints[i]) > distance && |
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74 !Double.isNaN(yPoints[i-1]) && !Double.isNaN(yPoints[i])) { |
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75 series.add((xPoints[i-1] + xPoints[i])/2, Double.NaN, false); |
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76 } |
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77 series.add(xPoints[i], yPoints[i], false); |
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78 } |
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79 } |
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80 |
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81 /** |
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82 * Add points to series. |
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83 * |
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84 * @param series Series to add points to. |
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85 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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86 * to 2nd dim. |
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87 * @param skipNANs if true, skip NAN values in points parameter. |
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88 * @param transY translate y-values by this value (before scale). |
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89 * @param factorY scale y-values by this value (after translation). |
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90 */ |
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91 public static void addPoints(XYSeries series, double[][] points, |
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92 boolean skipNANs, double transY, double factorY) { |
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93 if (transY == 0d && factorY == 1d) { |
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94 addPoints(series, points, skipNANs); |
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95 return; |
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96 } |
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97 if (points == null || points.length <= 1) { |
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98 return; |
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99 } |
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100 double [] xPoints = points[0]; |
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101 double [] yPoints = points[1]; |
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102 for (int i = 0; i < xPoints.length; i++) { |
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103 if (skipNANs && |
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104 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
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105 continue; |
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106 } |
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107 series.add(xPoints[i], factorY * (transY+yPoints[i]), false); |
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108 } |
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109 } |
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110 |
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111 /** |
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112 * Add points to series. |
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113 * |
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114 * @param series Series to add points to. |
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115 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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116 * to 2nd dim. |
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117 * @param skipNANs if true, skip NAN values in points parameter. |
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118 */ |
8856 | 119 public static void addPoints( |
120 XYSeries series, | |
121 double[][] points, | |
122 boolean skipNANs | |
123 ) { | |
1983
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124 if (points == null || points.length <= 1) { |
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|
125 return; |
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126 } |
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127 double [] xPoints = points[0]; |
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128 double [] yPoints = points[1]; |
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129 for (int i = 0; i < xPoints.length; i++) { |
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130 if (skipNANs && |
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131 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
2571
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132 continue; |
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133 } |
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134 series.add(xPoints[i], yPoints[i], false); |
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135 } |
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136 } |
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137 |
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138 |
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139 /** |
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140 * Add points to series (km to 1st dim, w to 2nd dim). |
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141 * |
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142 * @param series Series to add points to. |
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143 * @param wkms WKms to add to series. |
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144 */ |
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145 public static void addPoints(XYSeries series, WKms wkms) { |
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146 if (wkms == null) { |
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147 return; |
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148 } |
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149 |
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|
150 int size = wkms.size(); |
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151 |
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152 for (int i = 0; i < size; i++) { |
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153 series.add(wkms.getKm(i), wkms.getW(i), false); |
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154 } |
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155 } |
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156 |
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157 |
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158 /** |
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159 * Add points to dataset with an offset (shift all points by given amount). |
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160 * @param series series to add data to. |
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161 * @param wkms WKms of which the Ws will be shifted. |
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162 * @param off the offset. |
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163 */ |
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164 public static void addUpperBand(XYSeries series, WKms wkms, double off) { |
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165 if (wkms == null) { |
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166 return; |
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167 } |
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168 |
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169 int size = wkms.size(); |
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170 |
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171 for (int i = 0; i < size; i++) { |
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172 series.add(wkms.getKm(i), wkms.getW(i)+off, false); |
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173 } |
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174 } |
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175 |
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176 |
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177 /** |
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178 * Add points to dataset with an offset (shift all points 'down' by given |
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179 * amount). |
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180 * @param series series to add data to. |
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181 * @param wkms WKms of which the Ws will be shifted. |
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182 * @param off the offset. |
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183 */ |
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184 public static void addLowerBand(XYSeries series, WKms wkms, double off) { |
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185 addUpperBand(series, wkms, -off); |
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186 } |
1812
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187 |
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188 |
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|
189 /** |
1942
be1270c10d9a
Fix documentation.
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|
190 * Add points to series (km to 1st dim, q to 2nd dim). |
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191 * |
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192 * @param series Series to add points to. |
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193 * @param wqkms WQKms to add to series. |
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194 */ |
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195 public static void addPointsKmQ(XYSeries series, WQKms wqkms) { |
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196 if (wqkms == null) { |
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|
197 return; |
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|
198 } |
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199 |
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|
200 int size = wqkms.size(); |
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|
201 |
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|
202 for (int i = 0; i < size; i++) { |
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203 series.add(wqkms.getKm(i), wqkms.getQ(i), false); |
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204 } |
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205 } |
1812
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|
206 |
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207 |
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208 /** |
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209 * Add points to series (km to 1st dim, q to 2nd dim), adding points |
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210 * to achieve a step-like curve. |
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211 * |
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212 * @param series Series to add points to. |
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213 * @param wqkms WQKms to add to series. |
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214 */ |
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215 public static void addStepPointsKmQ(XYSeries series, WQKms wqkms) { |
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216 if (wqkms == null) { |
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217 return; |
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218 } |
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219 |
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220 int size = wqkms.size(); |
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221 |
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222 for (int i = 0; i < size; i++) { |
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223 if (i==0) { |
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224 series.add(wqkms.getKm(i), wqkms.getQ(i), false); |
8507
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(issue1782) Select index based on km for step generation
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225 } else if (i == size-1) { |
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226 series.add(wqkms.getKm(i), wqkms.getQ(i), false); |
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227 } else { |
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228 //Add two points. |
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229 double prevX; |
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230 double prevQ; |
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231 if (wqkms.getKm(i + 1) < wqkms.getKm(i)) { |
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232 /* Depending on the data direction the previous km / q |
8856 | 233 * might have a larger index when we draw |
234 * right to left data. */ | |
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235 prevX = wqkms.getKm(i + 1); |
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236 prevQ = wqkms.getQ(i + 1); |
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237 } else { |
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238 prevX = wqkms.getKm(i - 1); |
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239 prevQ = wqkms.getQ(i - 1); |
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240 } |
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241 double halveX = (prevX + wqkms.getKm(i)) / 2d; |
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242 series.add(halveX, prevQ, false); |
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243 series.add(halveX, wqkms.getQ(i), false); |
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244 } |
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245 } |
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246 } |
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247 |
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248 |
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249 /** |
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250 * Add points to series (q to 1st dim, w to 2nd dim). |
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251 * |
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252 * @param series Series to add points to. |
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253 * @param wqkms WQKms to add to series. |
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254 */ |
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255 public static void addPointsQW(XYSeries series, WQKms wqkms) { |
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256 if (wqkms == null) { |
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257 return; |
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258 } |
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259 |
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260 int size = wqkms.size(); |
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261 |
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262 for (int i = 0; i < size; i++) { |
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263 series.add(wqkms.getQ(i), wqkms.getW(i), false); |
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264 } |
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265 } |
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266 |
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267 /** |
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268 * Add points to series (q to 1st dim, w to 2nd dim), adding wTrans to the |
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269 * W values and scaling it with wScale. |
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270 * |
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271 * @param series Series to add points to. |
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272 * @param qws to add to series. |
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273 * @param wAdd Value to add to each Q while adding to series. |
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274 * @param wScale multiply with |
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275 */ |
8856 | 276 public static void addPointsQW( |
277 XYSeries series, | |
278 double[][] qws, | |
279 double wTrans, | |
280 double wScale | |
281 ) { | |
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282 if (qws == null || qws.length == 0) { |
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283 return; |
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284 } |
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285 |
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286 double x[] = qws[0]; |
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287 double y[] = qws[1]; |
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288 |
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289 for (int i = 0; i < x.length; i++) { |
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290 series.add(x[i], wScale * (y[i] + wTrans), false); |
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291 } |
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292 } |
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293 /** |
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294 * Add points to series (q to 1st dim, w to 2nd dim), adding wTrans to the |
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295 * W values and scaling it with wScale. |
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296 * |
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297 * @param series Series to add points to. |
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298 * @param wqkms WQKms to add to series. |
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299 * @param wAdd Value to add to each Q while adding to series. |
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300 * @param wScale multiply with |
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301 */ |
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303 XYSeries series, | |
304 WQKms wqkms, | |
305 double wTrans, | |
306 double wScale | |
307 ) { | |
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308 if (wqkms == null) { |
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309 return; |
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310 } |
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311 |
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312 int size = wqkms.size(); |
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313 |
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314 for (int i = 0; i < size; i++) { |
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315 series.add(wqkms.getQ(i), wScale * (wqkms.getW(i) + wTrans), false); |
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316 } |
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317 } |
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318 |
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319 /** |
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320 * Add points to series (q to 1st dim, w to 2nd dim). |
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321 * |
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322 * @param series Series to add points to. |
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323 * @param qs the Qs to add, assumed same length than ws. |
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324 * @param ws the Ws to add, assumed same length than qs. |
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325 */ |
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326 public static void addPointsQW(XYSeries series, double[] qs, double ws[]) { |
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327 if (ws == null || qs == null) { |
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328 return; |
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329 } |
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330 |
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331 int size = qs.length; |
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332 |
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333 for (int i = 0; i < size; i++) { |
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334 series.add(qs[i], ws[i], false); |
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335 } |
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336 } |
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337 |
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338 /** |
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339 * Add points to series (q to 1st dim, w to 2nd dim), with |
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340 * scaling and translation. |
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341 * |
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342 * @param series Series to add points to. |
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343 * @param qs the Qs to add, assumed same length than ws. |
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344 * @param ws the Ws to add, assumed same length than qs. |
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345 */ |
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346 public static void addPointsQW(XYSeries series, double[] qs, double ws[], |
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347 double wTrans, double wScale) { |
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348 if (ws == null || qs == null) { |
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349 return; |
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350 } |
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351 |
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352 int size = qs.length; |
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353 |
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354 for (int i = 0; i < size; i++) { |
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355 series.add(qs[i], wScale * (ws[i]+wTrans), false); |
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356 } |
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357 } |
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358 |
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359 |
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360 |
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361 /** |
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362 * Add points to series (q to 1st dim, w to 2nd dim). |
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363 * |
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364 * @param series Series to add points to. |
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365 * @param wwqq WWQQ to add to series. |
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366 */ |
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367 public static void addPoints(XYSeries series, WWQQ wwqq) { |
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368 if (wwqq == null) { |
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369 return; |
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370 } |
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371 |
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372 int size = wwqq.size(); |
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373 |
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374 for (int i = 0; i < size; i++) { |
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375 series.add(wwqq.getW1(i), wwqq.getW2(i), false); |
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376 } |
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377 } |
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378 |
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379 |
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380 /** |
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381 * Create a Series such that an infinitely big area can be filled |
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382 * between the newly created and the given series. |
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383 */ |
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384 public static XYSeries createGroundAtInfinity(XYSeries series) { |
8856 | 385 XYSeries ground = |
386 new XYSeries(series.getKey() + /** TODO rand + */ "INF"); | |
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387 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE); |
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388 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE); |
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389 return ground; |
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390 } |
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391 |
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392 |
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393 /** |
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394 * Create a Series such that an infinitely big area can be filled |
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395 * between the newly created and the given series. |
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396 */ |
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397 public static XYSeries createCeilingAtInfinity(XYSeries series) { |
8856 | 398 XYSeries ground = |
399 new XYSeries(series.getKey() + /** TODO rand + */ "INF"); | |
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400 ground.add(series.getMinX(), BIG_DOUBLE_VALUE); |
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401 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE); |
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402 return ground; |
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403 } |
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404 } |
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405 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |