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comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/MainValuesQFacet.java @ 3318:dbe2f85bf160

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merged flys-artifacts/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:35 +0200
parents 0f7abd95c6e2
children cd5eb8f5f6f1
comparison
equal deleted inserted replaced
2987:98c7a46ec5ae 3318:dbe2f85bf160
1 package de.intevation.flys.artifacts.model;
2
3 import java.util.ArrayList;
4 import java.util.List;
5
6 import org.apache.log4j.Logger;
7
8 import de.intevation.artifacts.Artifact;
9 import de.intevation.artifacts.CallContext;
10 import de.intevation.artifacts.DataProvider;
11
12 import de.intevation.artifactdatabase.state.DefaultFacet;
13
14 import de.intevation.flys.artifacts.MainValuesArtifact;
15 import de.intevation.flys.artifacts.math.Linear;
16 import de.intevation.flys.jfree.FLYSAnnotation;
17 import de.intevation.flys.jfree.StickyAxisAnnotation;
18
19 import de.intevation.flys.exports.DurationCurveGenerator;
20
21
22 /**
23 * Facet to show Main Q Values.
24 * TODO Join with W implementation.
25 */
26 public class MainValuesQFacet
27 extends DefaultFacet
28 implements FacetTypes {
29
30 /** Own logger. */
31 private static Logger logger = Logger.getLogger(RelativePointFacet.class);
32
33 /** Do we want MainValues at Gauge (not interpolated)? */
34 protected boolean isAtGauge;
35
36 /** Trivial Constructor. */
37 public MainValuesQFacet(String name, String description, boolean atGauge) {
38 this.description = description;
39 this.name = name;
40 this.index = 0;
41 this.isAtGauge = atGauge;
42 }
43
44 /**
45 * Set the hit-point in Q where a line drawn from the axis would hit the
46 * curve in WQDay (if hit).
47 * Employ linear interpolation.
48 */
49 protected static void setHitPoint(WQDay wqday, StickyAxisAnnotation annotation) {
50 int idx = 0;
51 float q = annotation.getPos();
52 boolean qIncreases = wqday.getQ(0) < wqday.getQ(wqday.size()-1);
53 if (qIncreases) {
54 while (idx < wqday.size() && wqday.getQ(idx) < q) {
55 idx++;
56 }
57 }
58 else {
59 idx = wqday.size() -1;
60 while (idx > 0 && wqday.getQ(idx) > q) {
61 idx--;
62 }
63 }
64
65 double day = 0d;
66 int mod = (qIncreases) ? -1 : +1;
67 if (idx != 0 && idx <= wqday.size()-1) {
68 day = Linear.linear(q, wqday.getQ(idx +mod), wqday.getQ(idx),
69 wqday.getDay(idx+mod), wqday.getDay(idx));
70 annotation.setHitPoint((float)day);
71 }
72 else {
73 logger.debug("StickyAnnotation does not hit wqday curve");
74 }
75 }
76
77
78 /**
79 * Returns the data this facet requires.
80 *
81 * @param artifact the owner artifact.
82 * @param context the CallContext (ignored).
83 *
84 * @return the data.
85 */
86 @Override
87 public Object getData(Artifact artifact, CallContext context) {
88 MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact;
89
90 List<NamedDouble> qs = mvArtifact.getMainValuesQ(isAtGauge);
91 List<StickyAxisAnnotation> xy = new ArrayList<StickyAxisAnnotation>();
92
93 WQDay wqdays = null;
94 List<DataProvider> providers = context.
95 getDataProvider(DurationCurveFacet.BB_DURATIONCURVE);
96 if (providers.size() < 1) {
97 logger.warn("Could not find durationcurve data provider.");
98 }
99 else {
100 wqdays = (WQDay) providers.get(0).provideData(
101 DurationCurveFacet.BB_DURATIONCURVE,
102 null,
103 context);
104 }
105
106 // Rather specific case, Q-Annotations at a maybe second yaxis.
107 StickyAxisAnnotation annotation = null;
108 if (this.name.equals(DURATION_MAINVALUES_Q)) {
109 for (NamedDouble q: qs) {
110 annotation =
111 new StickyAxisAnnotation(
112 q.getName(),
113 (float) q.getValue(),
114 StickyAxisAnnotation.SimpleAxis.Y_AXIS,
115 DurationCurveGenerator.YAXIS.Q.idx);
116 xy.add(annotation);
117 if (wqdays != null) {
118 setHitPoint(wqdays, annotation);
119 }
120 }
121 }
122 else {
123 for (NamedDouble q: qs) {
124 annotation =
125 new StickyAxisAnnotation(
126 q.getName(),
127 (float) q.getValue(),
128 StickyAxisAnnotation.SimpleAxis.X_AXIS);
129 xy.add(annotation);
130 if (wqdays != null) {
131 setHitPoint(wqdays, annotation);
132 }
133 }
134 }
135
136 return new FLYSAnnotation(description, xy);
137 }
138
139
140 /**
141 * Create a deep copy of this Facet.
142 * @return a deep copy.
143 */
144 @Override
145 public MainValuesQFacet deepCopy() {
146 MainValuesQFacet copy = new MainValuesQFacet(this.name,
147 description, this.isAtGauge);
148 copy.set(this);
149 return copy;
150 }
151 }
152 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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