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annotate flys-artifacts/src/main/java/de/intevation/flys/utils/DataUtil.java @ 4216:a04862abce42

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Don't redirect to the login page without query params Don't redirect to the login page without query params for the development mode. Therefore just reload the page after the user object is removed from the session and GGInAFilter will redirect to the correct long URL.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 23 Oct 2012 10:50:48 +0200
parents 5642a83420f2
children
rev   line source
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.utils;
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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2
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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3 import java.util.Random;
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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4
1678
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
diff changeset
5 import gnu.trove.TDoubleArrayList;
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2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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6
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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7 public class DataUtil
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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8 {
1678
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
diff changeset
9 public static boolean guessWaterIncreasing(TDoubleArrayList data) {
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
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10 return guessWaterIncreasing(data, 0.05f);
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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11 }
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 public static boolean guessWaterIncreasing(TDoubleArrayList data, float factor) {
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
diff changeset
14 int N = data.size();
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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15 if (N < 2) return false;
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1982
diff changeset
16
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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17 int samples = (int)(factor*N) + 1;
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1982
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18
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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19 int up = 0;
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1982
diff changeset
20
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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21 Random rand = new Random();
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1982
diff changeset
22
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
23 for (int i = 0; i < samples; ++i) {
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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24 int pos2 = rand.nextInt(N-1) + 1;
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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25 int pos1 = rand.nextInt(pos2);
1678
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
diff changeset
26 double w1 = data.getQuick(pos1);
03fbf1b30e72 Removed code duplication of guessWaterIncreasing()
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1163
diff changeset
27 double w2 = data.getQuick(pos2);
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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28 if (w2 > w1) ++up;
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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29 }
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1982
diff changeset
30
1163
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
31 return up > samples/2;
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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32 }
2e0739853807 Fix build, added new DataUtil.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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33 }
1982
8afd6a9bb244 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1678
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34 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org