Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/CompactXYItems.java @ 593:b248531fa20b

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Added experimental support for extrapolation in "Horizontalschnitte" gnv-artifacts/trunk@648 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 31 Jan 2010 21:50:15 +0000
parents f426f55d4f7a
children c4156275c1e1
rev   line source
422
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.jfreechart;
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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2
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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3 import java.io.Serializable;
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4
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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5 /**
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6 * @author Sascha Teichmann <sascha.teichmann@intevation.de>
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parents:
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7 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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8 */
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9 public class CompactXYItems
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10 implements Serializable
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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11 {
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12 protected double [] data;
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13
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14 public CompactXYItems(double [] data) {
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15 this.data = data;
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16 }
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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17
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18 public double getX(int index) {
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19 return data[index << 1];
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20 }
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21
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22 public double getY(int index) {
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23 return data[(index << 1)+1];
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24 }
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25
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26 public void get(int index, double [] xy) {
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27 xy[0] = data[index = (index << 1) + 1];
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28 xy[1] = data[index + 1];
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29 }
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30
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31 public double [] getData() {
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32 return data;
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33 }
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34
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35 public void setData(double [] data) {
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36 this.data = data;
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37 }
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38
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39 public int size() {
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40 return data.length >> 1;
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41 }
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42
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43 public double [] calculateBoundingBox(double [] bbox) {
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44 for (int i = 0; i < data.length;) {
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45 double x = data[i++];
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46 double y = data[i++];
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47 if (x < bbox[0]) bbox[0] = x;
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48 if (y < bbox[1]) bbox[1] = y;
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49 if (x > bbox[2]) bbox[2] = x;
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50 if (y > bbox[3]) bbox[3] = y;
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51 }
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52 return bbox;
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53 }
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54
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55 public String toString() {
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56 StringBuilder sb = new StringBuilder();
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57 for (int i = 0; i < data.length;) {
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58 if (i > 0) sb.append("; ");
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59 sb.append('(');
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60 sb.append(data[i++]);
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61 sb.append(", ");
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62 sb.append(data[i++]);
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63 sb.append(')');
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64 }
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65 return sb.toString();
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66 }
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67
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68
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69 public double getMinX() {
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70 double lower = Double.POSITIVE_INFINITY;
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71
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72 for (int i = 0; i < data.length; i += 2) {
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73 double x = data[i];
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74
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75 if (!Double.isNaN(x)) {
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76 lower = Math.min(lower, x);
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77 }
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78 }
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79
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80 return lower;
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81 }
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82
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83
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84 public double getMaxX() {
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85 double upper = Double.NEGATIVE_INFINITY;
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86
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87 for (int i = 0; i < data.length; i += 2) {
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88 double x = data[i];
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89
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90 if (!Double.isNaN(x)) {
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91 upper = Math.max(upper, x);
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92 }
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93 }
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94
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95 return upper;
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96 }
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97
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98
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99 public double getMinY() {
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100 double lower = Double.POSITIVE_INFINITY;
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101
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102 for (int i = 1; i < data.length; i += 2) {
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103 double y = data[i];
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104
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105 if (!Double.isNaN(y)) {
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106 lower = Math.min(lower, y);
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107 }
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108 }
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109
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110 return lower;
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
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111 }
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112
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113
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114 public double getMaxY() {
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115 double upper = Double.NEGATIVE_INFINITY;
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116
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117 for (int i = 1; i < data.length; i += 2) {
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118 double y = data[i];
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119
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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120 if (!Double.isNaN(y)) {
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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121 upper = Math.max(upper, y);
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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122 }
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
123 }
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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124
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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125 return upper;
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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126 }
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 }
f426f55d4f7a Added Ingo Weinzierl's special JFreeChart classes.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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