dive4elements/river: artifacts/src/main/java/org/dive4elements/river/utils/DataUtil.java annotate

annotate artifacts/src/main/java/org/dive4elements/river/utils/DataUtil.java @ 8856:5e38e2924c07 3.2.x

Fix code style.

author	Tom Gottfried <tom@intevation.de>
date	Thu, 18 Jan 2018 20:12:01 +0100
parents	3c4efd4b2c19
children

rev	line source
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	2 * Software engineering by Intevation GmbH
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	3 *
5994 af13ceeba52a Removed trailing whitespace. Sascha L. Teichmann <teichmann@intevation.de> parents: 5863 diff changeset	4 * This file is Free Software under the GNU AGPL (>=v3)
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
5994 af13ceeba52a Removed trailing whitespace. Sascha L. Teichmann <teichmann@intevation.de> parents: 5863 diff changeset	6 * documentation coming with Dive4Elements River for details.
5863 4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	7 */
4897a58c8746 River artifacts: Added new copyright headers. Sascha L. Teichmann <teichmann@intevation.de> parents: 5838 diff changeset	8
5831 bd047b71ab37 Repaired internal references Sascha L. Teichmann <teichmann@intevation.de> parents: 3076 diff changeset	9 package org.dive4elements.river.utils;
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	10
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	11 import java.util.Random;
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	12
1678 03fbf1b30e72 Removed code duplication of guessWaterIncreasing() Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1163 diff changeset	13 import gnu.trove.TDoubleArrayList;
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	14
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	15 public class DataUtil
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	16 {
7081 3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	17 public static boolean guessDataIncreasing(TDoubleArrayList data) {
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	18 return guessDataIncreasing(data, 0.05f);
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	19 }
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	20
7081 3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	21 /** Guess if data1 and data2 both grow in the same direction */
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	22 public static boolean guessSameDirectionData(TDoubleArrayList data1,
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	23 TDoubleArrayList data2) {
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	24 boolean d1dir = DataUtil.guessDataIncreasing(data1, 0.05f);
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	25 boolean d2dir = DataUtil.guessDataIncreasing(data2, 0.05f);
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	26 int size = data1.size();
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	27 return ((d1dir && d2dir) \|\| (!d1dir && !d2dir)) && size > 1;
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	28 }
3c4efd4b2c19 Simplyfy / unify "invert axis" logic Andre Heinecke <aheinecke@intevation.de> parents: 5994 diff changeset	29
8856 5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 7081 diff changeset	30 public static boolean guessDataIncreasing(
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 7081 diff changeset	31 TDoubleArrayList data,
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 7081 diff changeset	32 float factor
5e38e2924c07 Fix code style. Tom Gottfried <tom@intevation.de> parents: 7081 diff changeset	33 ) {
1678 03fbf1b30e72 Removed code duplication of guessWaterIncreasing() Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1163 diff changeset	34 int N = data.size();
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	35 if (N < 2) return false;
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1982 diff changeset	36
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	37 int samples = (int)(factor*N) + 1;
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1982 diff changeset	38
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	39 int up = 0;
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1982 diff changeset	40
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	41 Random rand = new Random();
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1982 diff changeset	42
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	43 for (int i = 0; i < samples; ++i) {
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	44 int pos2 = rand.nextInt(N-1) + 1;
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	45 int pos1 = rand.nextInt(pos2);
1678 03fbf1b30e72 Removed code duplication of guessWaterIncreasing() Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1163 diff changeset	46 double w1 = data.getQuick(pos1);
03fbf1b30e72 Removed code duplication of guessWaterIncreasing() Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1163 diff changeset	47 double w2 = data.getQuick(pos2);
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	48 if (w2 > w1) ++up;
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	49 }
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1982 diff changeset	50
1163 2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	51 return up > samples/2;
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	52 }
2e0739853807 Fix build, added new DataUtil. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	53 }
1982 8afd6a9bb244 Cosmetics. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 1678 diff changeset	54 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/utils/DataUtil.java @ 8856:5e38e2924c07 3.2.x