Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ChartArea.java @ 8316:c086b06b81e5

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Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
author "Tom Gottfried <tom@intevation.de>"
date Wed, 24 Sep 2014 13:29:34 +0200
parents af13ceeba52a
children ff0e5386de70
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
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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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Sascha L. Teichmann <teichmann@intevation.de>
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7 */
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Sascha L. Teichmann <teichmann@intevation.de>
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8
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Sascha L. Teichmann <teichmann@intevation.de>
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9 package org.dive4elements.river.exports;
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10
1dca41dba135 Move annotation code to base class ChartGenerator
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11 import org.jfree.chart.axis.ValueAxis;
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"Tom Gottfried <tom@intevation.de>"
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12 import org.jfree.chart.axis.LogarithmicAxis;
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13
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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14 /** Two Ranges that span a rectangular area. */
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15 public class ChartArea {
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"Tom Gottfried <tom@intevation.de>"
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16 protected double xLower;
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17 protected double xUpper;
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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18 protected double xLength;
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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19 protected double yLower;
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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20 protected double yUpper;
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21 protected double yLength;
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22 protected boolean xIsLog;
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23 protected boolean yIsLog;
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24
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25 public ChartArea(ValueAxis axisX, ValueAxis axisY) {
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26 this.xLower = axisX.getRange().getLowerBound();
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27 this.xUpper = axisX.getRange().getUpperBound();
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28 this.xLength= axisX.getRange().getLength();
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29 this.yLower = axisY.getRange().getLowerBound();
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30 this.yUpper = axisY.getRange().getUpperBound();
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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31 this.yLength= axisY.getRange().getLength();
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
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32 this.xIsLog = axisX instanceof LogarithmicAxis;
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33 this.yIsLog = axisY instanceof LogarithmicAxis;
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34 }
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35
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36 public double ofLeft(double percent) {
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37 if (xIsLog) {
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"Tom Gottfried <tom@intevation.de>"
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38 return Math.pow(10,
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"Tom Gottfried <tom@intevation.de>"
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39 Math.log10(xLower)
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"Tom Gottfried <tom@intevation.de>"
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40 + Math.log10(xUpper / xLower) * percent
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
parents: 5994
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41 );
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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42 }
c086b06b81e5 Make ChartArea and thus annotations sensible for logarithmic axes (plus some minor cleanup).
"Tom Gottfried <tom@intevation.de>"
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43 return xLower + xLength * percent;
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44 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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45
2aca387333d6 Removed superfluous imports.
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46 public double ofRight(double percent) {
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"Tom Gottfried <tom@intevation.de>"
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47 if (xIsLog) {
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"Tom Gottfried <tom@intevation.de>"
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48 return Math.pow(10,
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"Tom Gottfried <tom@intevation.de>"
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49 Math.log10(xUpper)
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"Tom Gottfried <tom@intevation.de>"
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50 - Math.log10(xUpper / xLower) * percent
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51 );
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52 }
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53 return xUpper - xLength * percent;
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54 }
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55
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56 public double ofGround(double percent) {
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57 if (yIsLog) {
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"Tom Gottfried <tom@intevation.de>"
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58 return Math.pow(10,
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"Tom Gottfried <tom@intevation.de>"
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59 Math.log10(yLower)
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"Tom Gottfried <tom@intevation.de>"
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60 + Math.log10(yUpper / yLower) * percent
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"Tom Gottfried <tom@intevation.de>"
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61 );
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62 }
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63 return yLower + yLength * percent;
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64 }
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65
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66 public double atTop() {
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67 return yUpper;
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68 }
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69
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70 public double atGround() {
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71 return yLower;
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72 }
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73
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74 public double atRight() {
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75 return xUpper;
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76 }
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77
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78 public double atLeft() {
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79 return xLower;
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80 }
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81
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82 public double above(double percent, double base) {
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83 if (yIsLog) {
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84 return Math.pow(10,
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85 Math.log10(base)
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86 + Math.log10(yUpper / yLower) * percent
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87 );
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88 }
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89 return base + yLength * percent;
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90 }
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91 }
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92 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org