Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/StaticSQRelationFacet.java @ 5994:af13ceeba52a
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author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 12 May 2013 18:13:50 +0200 |
parents | 4897a58c8746 |
children | 5b2126d21c2e |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.artifacts.states.sq; |
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10 |
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11 import org.dive4elements.artifactdatabase.state.DefaultFacet; |
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12 import org.dive4elements.artifactdatabase.state.Facet; |
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13 import org.dive4elements.artifacts.Artifact; |
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14 import org.dive4elements.artifacts.CallContext; |
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15 import org.dive4elements.river.artifacts.math.fitting.Function; |
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16 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory; |
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17 import org.dive4elements.river.artifacts.model.sq.SQFunction; |
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18 import org.dive4elements.river.artifacts.model.sq.StaticSQRelation; |
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19 |
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20 |
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21 public class StaticSQRelationFacet |
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22 extends DefaultFacet |
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23 implements Facet |
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24 { |
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25 public static final String FUNCTION = "sq-pow"; |
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26 |
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27 private StaticSQRelation relation; |
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28 |
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29 |
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30 public StaticSQRelationFacet( |
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31 int ndx, |
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32 String name, |
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33 String description, |
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34 StaticSQRelation relation) { |
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35 super(ndx, name, description); |
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36 this.relation = relation; |
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37 } |
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38 |
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39 @Override |
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40 public Object getData(Artifact artifact, CallContext context) { |
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41 double qmax = relation.getQmax(); |
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42 double[] coeffs = new double[] {relation.getA(), relation.getB()}; |
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43 Function func = FunctionFactory.getInstance().getFunction(FUNCTION); |
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44 org.dive4elements.river.artifacts.math.Function function = |
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45 func.instantiate(coeffs); |
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46 SQFunction sqf = new SQFunction(function, 0, qmax); |
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47 return sqf; |
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48 } |
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49 |
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50 @Override |
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51 public Facet deepCopy() { |
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52 StaticSQRelationFacet copy = |
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53 new StaticSQRelationFacet(index, name, description, relation); |
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54 copy.set(this); |
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55 return copy; |
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56 } |
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57 } |