Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/MovingAverage.java @ 4627:d5821c6f0ab0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed validation in parameter matrix panel. Single selections are allowed now. Avoid adding duplicates of user selection in parameter matrix.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 03 Dec 2012 17:25:49 +0100
parents d6d16b5ab2f0
children
rev   line source
4625
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
2
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
3 import java.util.Map;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
4 import java.util.SortedMap;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
5 import java.util.TreeMap;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
6
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
7
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
8 public class MovingAverage
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
9 {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
10
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
11 public static double[][] simple(double[][] values, double radius) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
12 TreeMap<Double, Double> map = toMap(values);
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
13 double[][] result = new double[values.length][values[0].length];
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
14 int ndx = 0;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
15 for (double x: map.keySet()) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
16 SortedMap<Double, Double> range =
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
17 map.subMap(x-radius, true, x+radius, true);
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
18 double avg = 0d;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
19 for (Double v: range.values()) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
20 avg += v;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
21 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
22 avg /= range.size();
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
23 result[0][ndx] = x;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
24 result[1][ndx] = avg;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
25 ndx++;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
26 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
27 return result;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
28 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
29
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
30 public static double[][] weighted(double[][] values, double radius) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
31 TreeMap<Double, Double> map = toMap(values);
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
32 double[][] result = new double[values.length][values[0].length];
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
33 int ndx = 0;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
34 for (double x: map.keySet()) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
35 double avg = 0d;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
36 double weights = 0d;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
37 for (Map.Entry<Double, Double> e:
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
38 map.subMap(x-radius, false, x+radius, false).entrySet()
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
39 ) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
40 double weight = 1d - Math.abs(x - e.getKey())/radius;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
41 avg += weight*e.getValue();
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
42 weights += weight;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
43 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
44 avg /= weights;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
45 result[0][ndx] = x;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
46 result[1][ndx] = avg;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
47 ndx++;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
48 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
49 return result;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
50 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
51
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
52 private static TreeMap<Double, Double> toMap(double[][] values) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
53 TreeMap<Double, Double> map = new TreeMap<Double, Double>();
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
54 for(int i = 0; i < values[0].length; i++) {
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
55 map.put(values[0][i], values[1][i]);
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
56 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
57 return map;
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
58 }
d6d16b5ab2f0 New class for average calculation implementing moving average algorithms.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
59 }
http://dive4elements.wald.intevation.org