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comparison artifacts/src/main/java/org/dive4elements/river/artifacts/states/sq/StaticSQRelationFacet.java @ 7298:5b2126d21c2e

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Polish SQ Datacage and Facets The starting point is now taken from the blackboard
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 11 Oct 2013 15:35:25 +0200
parents af13ceeba52a
children e4606eae8ea5
comparison
equal deleted inserted replaced
7297:257d72524249 7298:5b2126d21c2e
6 * documentation coming with Dive4Elements River for details. 6 * documentation coming with Dive4Elements River for details.
7 */ 7 */
8 8
9 package org.dive4elements.river.artifacts.states.sq; 9 package org.dive4elements.river.artifacts.states.sq;
10 10
11 import java.util.List;
12
13 import org.apache.log4j.Logger;
14
11 import org.dive4elements.artifactdatabase.state.DefaultFacet; 15 import org.dive4elements.artifactdatabase.state.DefaultFacet;
12 import org.dive4elements.artifactdatabase.state.Facet; 16 import org.dive4elements.artifactdatabase.state.Facet;
13 import org.dive4elements.artifacts.Artifact; 17 import org.dive4elements.artifacts.Artifact;
14 import org.dive4elements.artifacts.CallContext; 18 import org.dive4elements.artifacts.CallContext;
19 import org.dive4elements.artifacts.DataProvider;
15 import org.dive4elements.river.artifacts.math.fitting.Function; 20 import org.dive4elements.river.artifacts.math.fitting.Function;
16 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory; 21 import org.dive4elements.river.artifacts.math.fitting.FunctionFactory;
17 import org.dive4elements.river.artifacts.model.sq.SQFunction; 22 import org.dive4elements.river.artifacts.model.sq.SQFunction;
18 import org.dive4elements.river.artifacts.model.sq.StaticSQRelation; 23 import org.dive4elements.river.artifacts.model.sq.StaticSQRelation;
19 24
24 { 29 {
25 public static final String FUNCTION = "sq-pow"; 30 public static final String FUNCTION = "sq-pow";
26 31
27 private StaticSQRelation relation; 32 private StaticSQRelation relation;
28 33
34 private static final Logger logger =
35 Logger.getLogger(StaticSQRelationFacet.class);
29 36
30 public StaticSQRelationFacet( 37 public StaticSQRelationFacet(
31 int ndx, 38 int ndx,
32 String name, 39 String name,
33 String description, 40 String description,
41 double qmax = relation.getQmax(); 48 double qmax = relation.getQmax();
42 double[] coeffs = new double[] {relation.getA(), relation.getB()}; 49 double[] coeffs = new double[] {relation.getA(), relation.getB()};
43 Function func = FunctionFactory.getInstance().getFunction(FUNCTION); 50 Function func = FunctionFactory.getInstance().getFunction(FUNCTION);
44 org.dive4elements.river.artifacts.math.Function function = 51 org.dive4elements.river.artifacts.math.Function function =
45 func.instantiate(coeffs); 52 func.instantiate(coeffs);
46 SQFunction sqf = new SQFunction(function, 0, qmax); 53
54 /* Figure out a good starting point by checking for calculated
55 * SQ Curves and using their starting point */
56
57 // this is ok because we are a DefaultFacet and not a DataFacet
58 // and so we are not registred with Mr. Blackboard
59 List<DataProvider> providers = context.getDataProvider(name);
60
61 double startingPoint = Double.MAX_VALUE;
62
63 for (DataProvider dp: providers) {
64 SQFunction other = (SQFunction) dp.provideData(
65 name,
66 null,
67 context);
68 if (other == null) {
69 // name is not really unique here but it's our only key
70 // should not happen anyhow.
71 logger.error("Did not get data from: " + name);
72 continue;
73 }
74 startingPoint = Math.min(other.getMinQ(), startingPoint);
75 }
76 if (startingPoint == Double.MAX_VALUE) {
77 startingPoint = 0;
78 }
79
80 SQFunction sqf = new SQFunction(function, startingPoint, qmax);
47 return sqf; 81 return sqf;
48 } 82 }
49 83
50 @Override 84 @Override
51 public Facet deepCopy() { 85 public Facet deepCopy() {
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