Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/exports/StyledSeriesBuilder.java @ 9590:3f0803009a8f
Punkt 3.2 Lineare Interpolation weglassen für Peilungen
author | gernotbelger |
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date | Thu, 10 Jan 2019 14:52:23 +0100 |
parents | 08f46ccd37ba |
children | 1d4262a68f1f |
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 log = 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 /** |
8856 | 43 * Add points to series, create gaps if certain distance |
44 * between points is met. | |
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45 * |
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46 * @param series Series to add points to. |
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47 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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48 * to 2nd dim. |
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49 * @param skipNANs if true, skip NAN values in points parameter. Otherwise, |
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50 * the NaNs lead to gaps in graph. |
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51 * @param distance if two consecutive entries in points[0] are more |
8856 | 52 * than distance apart, create a NaN value to skip |
53 * in display. | |
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54 */ |
8856 | 55 public static void addPoints( |
56 XYSeries series, | |
57 double[][] points, | |
58 boolean skipNANs, | |
59 double distance | |
60 ) { | |
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61 if (points == null || points.length <= 1) { |
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62 return; |
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63 } |
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64 double [] xPoints = points[0]; |
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65 double [] yPoints = points[1]; |
9347 | 66 |
67 Integer lastNonNaNIndex = null; | |
68 | |
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69 for (int i = 0; i < xPoints.length; i++) { |
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70 if (skipNANs && |
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71 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
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72 continue; |
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73 } |
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75 // Create gap if distance between points > distance. |
9347 | 76 if (i > 0 && lastNonNaNIndex != null) |
77 { | |
78 double distanceToLastNonNan = Math.abs(xPoints[lastNonNaNIndex] - xPoints[i] ); | |
79 if (distanceToLastNonNan > distance && !Double.isNaN(yPoints[lastNonNaNIndex]) && !Double.isNaN(yPoints[i])) | |
80 series.add((xPoints[i-1] + xPoints[i])/2, Double.NaN, false); | |
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81 } |
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82 series.add(xPoints[i], yPoints[i], false); |
9347 | 83 |
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84 // if (skipNANs && !Double.isNaN(xPoints[i]) && !Double.isNaN(yPoints[i])) |
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85 if (!Double.isNaN(xPoints[i]) && !Double.isNaN(yPoints[i])) // skipNaN-State irrelevant, since lastNonNaNIndex is used for interpolation after gap-distance-comparison |
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86 lastNonNaNIndex = i; |
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87 } |
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88 } |
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89 |
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90 /** |
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91 * Add points to series. |
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92 * |
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93 * @param series Series to add points to. |
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94 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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95 * to 2nd dim. |
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96 * @param skipNANs if true, skip NAN values in points parameter. |
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97 * @param transY translate y-values by this value (before scale). |
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98 * @param factorY scale y-values by this value (after translation). |
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99 */ |
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100 public static void addPoints(XYSeries series, double[][] points, |
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101 boolean skipNANs, double transY, double factorY) { |
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102 if (transY == 0d && factorY == 1d) { |
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103 addPoints(series, points, skipNANs); |
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104 return; |
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105 } |
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106 if (points == null || points.length <= 1) { |
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107 return; |
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108 } |
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109 double [] xPoints = points[0]; |
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110 double [] yPoints = points[1]; |
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111 for (int i = 0; i < xPoints.length; i++) { |
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112 if (skipNANs && |
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113 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
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114 continue; |
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115 } |
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116 series.add(xPoints[i], factorY * (transY+yPoints[i]), false); |
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117 } |
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118 } |
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119 |
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120 /** |
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121 * Add points to series. |
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122 * |
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123 * @param series Series to add points to. |
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124 * @param points Points to add to series, points[0] to 1st dim, points[1] |
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125 * to 2nd dim. |
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126 * @param skipNANs if true, skip NAN values in points parameter. |
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127 */ |
8856 | 128 public static void addPoints( |
129 XYSeries series, | |
130 double[][] points, | |
131 boolean skipNANs | |
132 ) { | |
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133 if (points == null || points.length <= 1) { |
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134 return; |
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135 } |
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136 double [] xPoints = points[0]; |
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137 double [] yPoints = points[1]; |
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138 for (int i = 0; i < xPoints.length; i++) { |
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139 if (skipNANs && |
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140 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { |
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141 continue; |
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142 } |
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143 series.add(xPoints[i], yPoints[i], false); |
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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 /** |
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149 * Add points to series (km to 1st dim, w to 2nd dim). |
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150 * |
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151 * @param series Series to add points to. |
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152 * @param wkms WKms to add to series. |
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153 */ |
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154 public static void addPoints(XYSeries series, WKms wkms) { |
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155 if (wkms == null) { |
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156 return; |
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157 } |
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158 |
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159 int size = wkms.size(); |
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160 |
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161 for (int i = 0; i < size; i++) { |
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162 series.add(wkms.getKm(i), wkms.getW(i), false); |
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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 dataset with an offset (shift all points by given amount). |
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169 * @param series series to add data to. |
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170 * @param wkms WKms of which the Ws will be shifted. |
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171 * @param off the offset. |
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172 */ |
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173 public static void addUpperBand(XYSeries series, WKms wkms, double off) { |
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174 if (wkms == null) { |
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175 return; |
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176 } |
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177 |
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178 int size = wkms.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(wkms.getKm(i), wkms.getW(i)+off, 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 dataset with an offset (shift all points 'down' by given |
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188 * amount). |
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189 * @param series series to add data to. |
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190 * @param wkms WKms of which the Ws will be shifted. |
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191 * @param off the offset. |
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192 */ |
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193 public static void addLowerBand(XYSeries series, WKms wkms, double off) { |
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194 addUpperBand(series, wkms, -off); |
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195 } |
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196 |
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197 |
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198 /** |
1942
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Fix documentation.
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199 * Add points to series (km to 1st dim, q to 2nd dim). |
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200 * |
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201 * @param series Series to add points to. |
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202 * @param wqkms WQKms to add to series. |
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203 */ |
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204 public static void addPointsKmQ(XYSeries series, WQKms wqkms) { |
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205 if (wqkms == null) { |
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206 return; |
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|
207 } |
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208 |
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209 int size = wqkms.size(); |
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210 |
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211 for (int i = 0; i < size; i++) { |
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212 series.add(wqkms.getKm(i), wqkms.getQ(i), false); |
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213 } |
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214 } |
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215 |
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216 |
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217 /** |
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218 * Add points to series (km to 1st dim, q to 2nd dim), adding points |
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219 * to achieve a step-like curve. |
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220 * |
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221 * @param series Series to add points to. |
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222 * @param wqkms WQKms to add to series. |
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223 */ |
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224 public static void addStepPointsKmQ(XYSeries series, WQKms wqkms) { |
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225 if (wqkms == null) { |
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226 return; |
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227 } |
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228 |
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229 int size = wqkms.size(); |
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230 |
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231 for (int i = 0; i < size; i++) { |
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232 if (i==0) { |
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233 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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234 } else if (i == size-1) { |
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235 series.add(wqkms.getKm(i), wqkms.getQ(i), false); |
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236 } else { |
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237 //Add two points. |
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238 double prevX; |
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239 double prevQ; |
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240 if (wqkms.getKm(i + 1) < wqkms.getKm(i)) { |
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241 /* Depending on the data direction the previous km / q |
8856 | 242 * might have a larger index when we draw |
243 * right to left data. */ | |
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244 prevX = wqkms.getKm(i + 1); |
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245 prevQ = wqkms.getQ(i + 1); |
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246 } else { |
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247 prevX = wqkms.getKm(i - 1); |
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248 prevQ = wqkms.getQ(i - 1); |
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249 } |
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250 double halveX = (prevX + wqkms.getKm(i)) / 2d; |
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251 series.add(halveX, prevQ, false); |
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252 series.add(halveX, wqkms.getQ(i), false); |
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253 } |
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254 } |
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255 } |
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256 |
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257 |
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258 /** |
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259 * Add points to series (q to 1st dim, w to 2nd dim). |
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260 * |
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261 * @param series Series to add points to. |
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262 * @param wqkms WQKms to add to series. |
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263 */ |
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264 public static void addPointsQW(XYSeries series, WQKms wqkms) { |
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265 if (wqkms == null) { |
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266 return; |
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267 } |
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268 |
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269 int size = wqkms.size(); |
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270 |
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271 for (int i = 0; i < size; i++) { |
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272 series.add(wqkms.getQ(i), wqkms.getW(i), false); |
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273 } |
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274 } |
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275 |
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276 /** |
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277 * Add points to series (q to 1st dim, w to 2nd dim), adding wTrans to the |
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278 * W values and scaling it with wScale. |
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279 * |
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280 * @param series Series to add points to. |
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281 * @param qws to add to series. |
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282 * @param wAdd Value to add to each Q while adding to series. |
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283 * @param wScale multiply with |
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284 */ |
8856 | 285 public static void addPointsQW( |
286 XYSeries series, | |
287 double[][] qws, | |
288 double wTrans, | |
289 double wScale | |
290 ) { | |
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291 if (qws == null || qws.length == 0) { |
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292 return; |
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293 } |
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294 |
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295 double x[] = qws[0]; |
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296 double y[] = qws[1]; |
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297 |
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298 for (int i = 0; i < x.length; i++) { |
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299 series.add(x[i], wScale * (y[i] + wTrans), false); |
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300 } |
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301 } |
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302 /** |
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303 * Add points to series (q to 1st dim, w to 2nd dim), adding wTrans to the |
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304 * W values and scaling it with wScale. |
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305 * |
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306 * @param series Series to add points to. |
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307 * @param wqkms WQKms to add to series. |
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308 * @param wAdd Value to add to each Q while adding to series. |
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309 * @param wScale multiply with |
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310 */ |
8856 | 311 public static void addPointsQW( |
312 XYSeries series, | |
313 WQKms wqkms, | |
314 double wTrans, | |
315 double wScale | |
316 ) { | |
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317 if (wqkms == null) { |
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318 return; |
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319 } |
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320 |
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321 int size = wqkms.size(); |
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322 |
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323 for (int i = 0; i < size; i++) { |
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324 series.add(wqkms.getQ(i), wScale * (wqkms.getW(i) + wTrans), false); |
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325 } |
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326 } |
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327 |
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328 /** |
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329 * Add points to series (q to 1st dim, w to 2nd dim). |
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330 * |
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331 * @param series Series to add points to. |
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332 * @param qs the Qs to add, assumed same length than ws. |
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333 * @param ws the Ws to add, assumed same length than qs. |
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334 */ |
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335 public static void addPointsQW(XYSeries series, double[] qs, double ws[]) { |
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336 if (ws == null || qs == null) { |
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337 return; |
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338 } |
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339 |
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340 int size = qs.length; |
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341 |
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342 for (int i = 0; i < size; i++) { |
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343 series.add(qs[i], ws[i], false); |
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344 } |
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345 } |
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346 |
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347 /** |
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348 * Add points to series (q to 1st dim, w to 2nd dim), with |
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349 * scaling and translation. |
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350 * |
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351 * @param series Series to add points to. |
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352 * @param qs the Qs to add, assumed same length than ws. |
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353 * @param ws the Ws to add, assumed same length than qs. |
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354 */ |
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355 public static void addPointsQW(XYSeries series, double[] qs, double ws[], |
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356 double wTrans, double wScale) { |
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357 if (ws == null || qs == null) { |
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358 return; |
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359 } |
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360 |
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361 int size = qs.length; |
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362 |
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363 for (int i = 0; i < size; i++) { |
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364 series.add(qs[i], wScale * (ws[i]+wTrans), false); |
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365 } |
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366 } |
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367 |
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368 |
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369 |
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370 /** |
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371 * Add points to series (q to 1st dim, w to 2nd dim). |
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372 * |
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373 * @param series Series to add points to. |
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374 * @param wwqq WWQQ to add to series. |
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375 */ |
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376 public static void addPoints(XYSeries series, WWQQ wwqq) { |
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377 if (wwqq == null) { |
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378 return; |
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379 } |
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380 |
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381 int size = wwqq.size(); |
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382 |
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383 for (int i = 0; i < size; i++) { |
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384 series.add(wwqq.getW1(i), wwqq.getW2(i), false); |
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385 } |
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386 } |
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387 |
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388 |
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389 /** |
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390 * Create a Series such that an infinitely big area can be filled |
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391 * between the newly created and the given series. |
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392 */ |
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393 public static XYSeries createGroundAtInfinity(XYSeries series) { |
8856 | 394 XYSeries ground = |
395 new XYSeries(series.getKey() + /** TODO rand + */ "INF"); | |
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396 ground.add(series.getMinX(), -BIG_DOUBLE_VALUE); |
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397 ground.add(series.getMaxX(), -BIG_DOUBLE_VALUE); |
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398 return ground; |
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399 } |
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400 |
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401 |
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402 /** |
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403 * Create a Series such that an infinitely big area can be filled |
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404 * between the newly created and the given series. |
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405 */ |
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406 public static XYSeries createCeilingAtInfinity(XYSeries series) { |
8856 | 407 XYSeries ground = |
408 new XYSeries(series.getKey() + /** TODO rand + */ "INF"); | |
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409 ground.add(series.getMinX(), BIG_DOUBLE_VALUE); |
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410 ground.add(series.getMaxX(), BIG_DOUBLE_VALUE); |
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411 return ground; |
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412 } |
8935 | 413 |
414 | |
415 /** Checks if a given value is the BIG_DOUBLE_VALUE */ | |
416 public static boolean isBigDoubleValue(Number value) { | |
417 if( value == null ) | |
418 return false; | |
419 | |
420 return Math.abs( BIG_DOUBLE_VALUE - Math.abs(value.doubleValue()) ) < 0.1; | |
421 } | |
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422 } |
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423 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |