Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/shared/DoubleUtils.java @ 4241:49cb65d5932d

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Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents 51ed89b754ae
children
rev   line source
1279
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.client.shared;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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2
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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3
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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4 public final class DoubleUtils {
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5
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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6 public static final String DEFAULT_DELIM = " ";
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7
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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8
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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9 private DoubleUtils() {
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10 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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11
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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12
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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13 public static Double getDouble(String value) {
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14 try {
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15 return Double.valueOf(value);
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16 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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17 catch (NumberFormatException nfe) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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18 // do nothing
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19 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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20
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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21 return null;
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22 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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23
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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24
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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25 public static double[] getMinMax(String value) {
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26 return getMinMax(value, DEFAULT_DELIM);
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27 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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28
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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29
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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30 public static double[] getMinMax(String value, String delim) {
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31 if (value == null) {
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32 return null;
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33 }
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34
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35 String[] values = value.split(delim);
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36
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37 int len = values != null ? values.length : 0;
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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38 double[] mm = new double[] { Double.MAX_VALUE, -Double.MAX_VALUE };
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39
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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40 for (int i = 0; i < len; i++) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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41 Double d = getDouble(values[i]);
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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42
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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43 if (d != null) {
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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44 mm[0] = mm[0] < d ? mm[0] : d;
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45 mm[1] = mm[1] > d ? mm[1] : d;
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46 }
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47 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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48
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49 return mm[0] != Double.MAX_VALUE && mm[1] != -Double.MAX_VALUE
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50 ? mm
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51 : null;
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52 }
1616
ff8312688cd5 Added utility functions for double arrays.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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53
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54 /** toIndex is not inclusive, fromIndex is. */
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55 static void fill(double[] array, int fromIndex, int toIndex, double val) {
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56 for (int i = fromIndex; i < toIndex; i++) {
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57 array[i] = val;
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58 }
ff8312688cd5 Added utility functions for double arrays.
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59 }
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60
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61 /** @see java.util.Arrays.copyOf */
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62 public static double[] copyOf(double[] toCopy, int newLen) {
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63 double[] nArray = new double[newLen];
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64
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65 if (toCopy == null) {
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66 fill(nArray, 0, nArray.length, 0d);
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67 return nArray;
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68 }
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69
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70 int goTo = (newLen < toCopy.length)
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71 ? newLen
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51ed89b754ae FLYS client: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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72 : toCopy.length;
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73
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74 for (int i = 0; i < goTo; i++) {
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75 nArray[i] = toCopy[i];
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76 }
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77 fill (nArray, goTo, nArray.length, 0d);
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78 return nArray;
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79 }
1279
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parents:
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80 }
af6ad7522351 Bugfix: #336 Improved determination of min/max KM values - code moved to ArtifactDescription.
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parents:
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org