Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/DoubleBounds.java @ 2394:02ac373b6d69

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Added chart helper function to determine the min and max bounds (x and y) for TimeSeriesCollections. flys-artifacts/trunk@4016 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 10 Feb 2012 08:43:06 +0000
parents d0e7afb3696b
children c38063bf99da
rev   line source
2327
07c39470e2cb Added new model classes that should be used for axes range adaption later.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.jfree;
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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2
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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3
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4 import org.jfree.chart.axis.ValueAxis;
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5 import org.jfree.data.Range;
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6
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7
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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8 /**
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9 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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10 */
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11 public class DoubleBounds implements Bounds {
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12
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13 protected double lower;
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14 protected double upper;
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15
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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16
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17 public DoubleBounds(double lower, double upper) {
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18 this.lower = lower;
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19 this.upper = upper;
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20 }
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21
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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22
07c39470e2cb Added new model classes that should be used for axes range adaption later.
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23 @Override
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24 public Number getLower() {
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25 return Double.valueOf(lower);
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26 }
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27
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28
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29 @Override
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30 public Number getUpper() {
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31 return Double.valueOf(upper);
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32 }
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33
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34
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35 @Override
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36 public void applyBounds(ValueAxis axis) {
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37 axis.setRange(new Range(lower, upper));
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38 }
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39
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40
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41 @Override
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42 public Bounds combine(Bounds bounds) {
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43 if (bounds == null) {
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44 return this;
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45 }
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46
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47 DoubleBounds other = (DoubleBounds) bounds;
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48
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49 double otherLower = other.getLower().doubleValue();
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50 double otherUpper = other.getUpper().doubleValue();
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51
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52 return new DoubleBounds(
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53 otherLower < lower ? otherLower : lower,
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54 otherUpper > upper ? otherUpper : upper);
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55 }
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56
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57
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58 @Override
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59 public String toString() {
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60 return "DoubleBounds=[" + lower + " ; " + upper + "]";
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61 }
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62 }
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63 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org