Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/BedHeightsUtils.java @ 9400:8e100593aec3
Missing class added
| author | mschaefer |
|---|---|
| date | Tue, 14 Aug 2018 11:06:00 +0200 |
| parents | |
| children | b9c87bbff6a4 |
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| 9399:77367e8da74d | 9400:8e100593aec3 |
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| 1 /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde | |
| 2 * Software engineering by | |
| 3 * Björnsen Beratende Ingenieure GmbH | |
| 4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt | |
| 5 * | |
| 6 * This file is Free Software under the GNU AGPL (>=v3) | |
| 7 * and comes with ABSOLUTELY NO WARRANTY! Check out the | |
| 8 * documentation coming with Dive4Elements River for details. | |
| 9 */ | |
| 10 package org.dive4elements.river.artifacts.sinfo.tkhstate; | |
| 11 | |
| 12 import java.util.Collection; | |
| 13 import java.util.TreeSet; | |
| 14 | |
| 15 import org.apache.commons.lang.ArrayUtils; | |
| 16 import org.apache.commons.lang.math.DoubleRange; | |
| 17 | |
| 18 /** | |
| 19 * Helper functions for bed height calculations | |
| 20 */ | |
| 21 public final class BedHeightsUtils { | |
| 22 | |
| 23 /** | |
| 24 * Get a union of all stations in a collection of bed heights | |
| 25 */ | |
| 26 public static double[] extractStations(final Collection<BedHeightsFinder> bedHeightFinders) { | |
| 27 | |
| 28 return extractStations(bedHeightFinders, false); | |
| 29 } | |
| 30 | |
| 31 /** | |
| 32 * Get a union of all stations in a collection of bed heights | |
| 33 */ | |
| 34 public static double[] extractStations(final Collection<BedHeightsFinder> bedHeightFinders, final boolean minMaxAware) { | |
| 35 | |
| 36 final Collection<Double> allStations = extractStationCollection(bedHeightFinders, minMaxAware); | |
| 37 return ArrayUtils.toPrimitive(allStations.toArray(new Double[allStations.size()])); | |
| 38 } | |
| 39 | |
| 40 /** | |
| 41 * Get a union of all stations in a collection of bed heights | |
| 42 */ | |
| 43 public static Collection<Double> extractStationCollection(final Collection<BedHeightsFinder> bedHeightFinders, final boolean minMaxAware) { | |
| 44 | |
| 45 if (!minMaxAware) | |
| 46 return extractStationCollection(bedHeightFinders); | |
| 47 | |
| 48 final DoubleRange kmRange = extractMinimumStationRange(bedHeightFinders); | |
| 49 | |
| 50 final Collection<Double> allStations = new TreeSet<>(); | |
| 51 for (final BedHeightsFinder bhf : bedHeightFinders) { | |
| 52 for (final Double station : bhf.getStations()) | |
| 53 if ((station.doubleValue() >= kmRange.getMinimumDouble() - 0.0001) && (station.doubleValue() <= kmRange.getMaximumDouble() + 0.0001)) | |
| 54 allStations.add(station.doubleValue()); | |
| 55 } | |
| 56 return allStations; | |
| 57 } | |
| 58 | |
| 59 /** | |
| 60 * Get a union of all stations in a collection of bed heights | |
| 61 */ | |
| 62 public static Collection<Double> extractStationCollection(final Collection<BedHeightsFinder> bedHeights) { | |
| 63 | |
| 64 final Collection<Double> allStations = new TreeSet<>(); | |
| 65 | |
| 66 for (final BedHeightsFinder bedHeight : bedHeights) | |
| 67 allStations.addAll(bedHeight.getStations()); | |
| 68 | |
| 69 return allStations; | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Intersects all km ranges of a collection of bed heights | |
| 74 */ | |
| 75 public static DoubleRange extractMinimumStationRange(final Collection<BedHeightsFinder> bedHeightFinders) { | |
| 76 DoubleRange kmRange = null; | |
| 77 for (final BedHeightsFinder bhf : bedHeightFinders) | |
| 78 kmRange = intersectRanges(kmRange, bhf.getKmRange()); | |
| 79 return new DoubleRange(kmRange.getMinimumDouble() - 0.0001, kmRange.getMaximumDouble() + 0.0001); | |
| 80 } | |
| 81 | |
| 82 /** | |
| 83 * Creates a range with the minimum overlapping of two ranges | |
| 84 */ | |
| 85 public static DoubleRange intersectRanges(final DoubleRange a, final DoubleRange b) { | |
| 86 if (a == null) | |
| 87 return new DoubleRange(b.getMinimumDouble(), b.getMaximumDouble()); | |
| 88 if (b == null) | |
| 89 return new DoubleRange(a.getMinimumDouble(), a.getMaximumDouble()); | |
| 90 return new DoubleRange(Math.max(a.getMinimumDouble(), b.getMinimumDouble()), Math.min(a.getMaximumDouble(), b.getMaximumDouble())); | |
| 91 } | |
| 92 } |