Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/utils/DateAverager.java @ 8581:073ea4bcea58
(issue1755) Interpolate BedQuality Results
This adds an interpolation function to each various bedQuality result class.
Imho this is ok as the interpolation function can be seen as part of the result.
The interpolation function is initalized on first use and can be accessed through
get.*Interpol functions.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 16 Mar 2015 15:36:38 +0100 |
parents | af13ceeba52a |
children |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.utils; import gnu.trove.TLongArrayList; import java.util.Date; public class DateAverager { protected TLongArrayList dates; public DateAverager() { dates = new TLongArrayList(); } public void add(Date date) { dates.add(date.getTime()); } public Date getAverage() { int N = dates.size(); if (N == 0) { return null; } long min = dates.min(); long sum = 0L; for (int i = 0; i < N; ++i) { sum += dates.getQuick(i) - min; } return new Date(min + (long)Math.round(sum/(double)N)); } public void clear() { dates.resetQuick(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :