Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/MainValuesWFacet.java @ 2775:5016609663e2

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Draw line from w-annotation to duration curve, rough version. flys-artifacts/trunk@4514 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 25 May 2012 09:13:43 +0000
parents c68f4f227c09
children 772d0c8100d3
comparison
equal deleted inserted replaced
2774:b2727413fae2 2775:5016609663e2
1 package de.intevation.flys.artifacts.model; 1 package de.intevation.flys.artifacts.model;
2 2
3 import java.util.ArrayList; 3 import java.util.ArrayList;
4 import java.util.List; 4 import java.util.List;
5 5
6 import org.apache.log4j.Logger;
7
6 import de.intevation.artifacts.Artifact; 8 import de.intevation.artifacts.Artifact;
7 import de.intevation.artifacts.CallContext; 9 import de.intevation.artifacts.CallContext;
10 import de.intevation.artifacts.DataProvider;
8 11
9 import de.intevation.artifactdatabase.state.DefaultFacet; 12 import de.intevation.artifactdatabase.state.DefaultFacet;
10 13
11 import de.intevation.flys.artifacts.MainValuesArtifact; 14 import de.intevation.flys.artifacts.MainValuesArtifact;
15 import de.intevation.flys.artifacts.math.Linear;
12 import de.intevation.flys.artifacts.model.FacetTypes; 16 import de.intevation.flys.artifacts.model.FacetTypes;
17 import de.intevation.flys.artifacts.model.WQDay;
13 import de.intevation.flys.jfree.FLYSAnnotation; 18 import de.intevation.flys.jfree.FLYSAnnotation;
14 import de.intevation.flys.jfree.StickyAxisAnnotation; 19 import de.intevation.flys.jfree.StickyAxisAnnotation;
15 20
16 21
17 /** 22 /**
19 */ 24 */
20 public class MainValuesWFacet 25 public class MainValuesWFacet
21 extends DefaultFacet 26 extends DefaultFacet
22 implements FacetTypes { 27 implements FacetTypes {
23 28
29 /** Own logger. */
30 private static Logger logger = Logger.getLogger(RelativePointFacet.class);
31
24 /** Do we want MainValues at Gauge (not interpolated)? */ 32 /** Do we want MainValues at Gauge (not interpolated)? */
25 protected boolean isAtGauge; 33 protected boolean isAtGauge;
26 34
27 /** Trivial Constructor. */ 35 /** Trivial Constructor. */
28 public MainValuesWFacet(String name, String description, boolean atGauge) { 36 public MainValuesWFacet(String name, String description, boolean atGauge) {
29 this.description = description; 37 this.description = description;
30 this.name = name; 38 this.name = name;
31 this.index = 0; 39 this.index = 0;
32 this.isAtGauge = atGauge; 40 this.isAtGauge = atGauge;
41 }
42
43
44 /**
45 * Set the hit-point in W 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 w = annotation.getPos();
52 boolean wIncreases = wqday.getW(0) < wqday.getW(wqday.size()-1);
53 if (wIncreases) {
54 while (idx < wqday.size() && wqday.getW(idx) < w) {
55 idx++;
56 }
57 }
58 else {
59 idx = wqday.size() -1;
60 while (idx > 0 && wqday.getW(idx) > w) {
61 idx--;
62 }
63 }
64
65 double day = 0d;
66 int mod = (wIncreases) ? -1 : +1;
67 if (idx != 0 && idx <= wqday.size()-1) {
68 day = Linear.linear(w, wqday.getW(idx +mod), wqday.getW(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 }
33 } 75 }
34 76
35 77
36 /** 78 /**
37 * Returns the data this facet requires. 79 * Returns the data this facet requires.
46 MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact; 88 MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact;
47 89
48 List<NamedDouble> ws = mvArtifact.getMainValuesW(isAtGauge); 90 List<NamedDouble> ws = mvArtifact.getMainValuesW(isAtGauge);
49 List<StickyAxisAnnotation> xy = new ArrayList<StickyAxisAnnotation>(); 91 List<StickyAxisAnnotation> xy = new ArrayList<StickyAxisAnnotation>();
50 92
93 // BLACKBOARD/DURATIONCURVE / reference point ...
94 WQDay wqdays = null;
95 List<DataProvider> providers = context.
96 getDataProvider(DurationCurveFacet.BB_DURATIONCURVE);
97 if (providers.size() < 1) {
98 logger.warn("Could not find durationcurve data provider.");
99 }
100 else {
101 wqdays = (WQDay) providers.get(0).provideData(
102 DurationCurveFacet.BB_DURATIONCURVE,
103 null,
104 context);
105 }
106
51 for (NamedDouble w: ws) { 107 for (NamedDouble w: ws) {
52 xy.add(new StickyAxisAnnotation( 108 StickyAxisAnnotation annotation =
53 w.getName(), 109 new StickyAxisAnnotation(
54 (float) w.getValue(), 110 w.getName(),
55 StickyAxisAnnotation.SimpleAxis.Y_AXIS)); 111 (float) w.getValue(),
112 StickyAxisAnnotation.SimpleAxis.Y_AXIS);
113 xy.add(annotation);
114 if (wqdays != null) {
115 setHitPoint(wqdays, annotation);
116 }
56 } 117 }
57 118
58 return new FLYSAnnotation(description, xy); 119 return new FLYSAnnotation(description, xy);
59 } 120 }
60 121
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