Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/Sieve.java @ 4241:49cb65d5932d
Improved the historical discharge calculation.
The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used
to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is
improved to support those facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 14:34:35 +0200 |
parents | ab3a4ad82ae1 |
children |
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package de.intevation.flys.artifacts.model.sq; import java.util.Comparator; public class Sieve { public static final double EPSILON = 1e-6; public static final Comparator<Double> DIAMETER_CMP = new Comparator<Double>() { @Override public int compare(Double a, Double b) { double diff = a - b; if (diff < -EPSILON) return -1; if (diff > EPSILON) return +1; return 0; } }; protected double diameter; protected double load; /** * Constructs a new instance. */ public Sieve() { this(Double.NaN, Double.NaN); } public Sieve(double diameter, double load) { this.diameter = diameter; this.load = load; } /** * Gets the diameter for this instance. * * @return The diameter. */ public double getDiameter() { return this.diameter; } /** * Sets the diameter for this instance. * * @param diameter The diameter. */ public void setDiameter(double diameter) { this.diameter = diameter; } /** * Gets the load for this instance. * * @return The load. */ public double getLoad() { return this.load; } /** * Sets the load for this instance. * * @param load The load. */ public void setLoad(double load) { this.load = load; } public boolean matchesDiameter(double diameter) { return Math.abs(diameter - this.diameter) < EPSILON; } public boolean hasDiameter() { return !Double.isNaN(diameter); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :