Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CrossSectionArtifact.java @ 2013:9d5f339d83a3

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#380 Validate the user selected DEM in the server. flys-artifacts/trunk@3462 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 19 Dec 2011 10:01:17 +0000
parents 07b176b14205
children c03aeb0cf46b
rev   line source
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts;
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parents:
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2
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3 import java.util.ArrayList;
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parents:
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4 import java.util.List;
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parents:
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5
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parents:
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6 import org.apache.log4j.Logger;
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7
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parents:
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8 import org.w3c.dom.Document;
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9
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10 import de.intevation.artifacts.Artifact;
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11 import de.intevation.artifacts.ArtifactFactory;
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parents:
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12 import de.intevation.artifacts.CallMeta;
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parents:
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13
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parents:
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14 import de.intevation.flys.artifacts.model.CrossSectionFacet;
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15
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
16 import de.intevation.flys.model.CrossSection;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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17 import de.intevation.flys.model.CrossSectionLine;
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parents: 1964
diff changeset
18 import de.intevation.flys.artifacts.model.CrossSectionFactory;
1964
85e442933e6d New CrossSectionArtifact.
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19 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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20 import de.intevation.artifacts.common.utils.XMLUtils;
85e442933e6d New CrossSectionArtifact.
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21
85e442933e6d New CrossSectionArtifact.
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parents:
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
85e442933e6d New CrossSectionArtifact.
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24 import de.intevation.artifactdatabase.state.Facet;
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parents:
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25 import de.intevation.artifactdatabase.state.State;
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26
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27
1985
07b176b14205 Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1982
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28 /**
07b176b14205 Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1982
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29 * Artifact describing a cross-section.
07b176b14205 Cosmetics, docs.
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parents: 1982
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30 */
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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31 public class CrossSectionArtifact extends StaticFLYSArtifact {
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32
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33 /** Access ids of doc. */
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34 public static final String XPATH_IDS = "/art:action/art:ids/@value";
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35
85e442933e6d New CrossSectionArtifact.
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36 /** Name of Artifact. */
85e442933e6d New CrossSectionArtifact.
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37 public static final String CS_ARTIFACT_NAME = "cross_section";
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38
85e442933e6d New CrossSectionArtifact.
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39 /** Name of state. */
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40 public static final String STATIC_STATE_NAME = "state.cross_section";
85e442933e6d New CrossSectionArtifact.
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41
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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42 /** Name of data item keeping the position. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
43 public static final String DATA_KM = "cross_section.km";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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44
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
45 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
46 public static final String DATA_DBID = "cross_section.dbid";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
47
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
48 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
49 public static final String DATA_IS_MASTER = "cross_section.master?";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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50
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
51 /** Own logger. */
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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52 private static final Logger logger =
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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53 Logger.getLogger(CrossSectionArtifact.class);
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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54
85e442933e6d New CrossSectionArtifact.
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parents:
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55
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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56 /** Return given name. */
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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57 @Override
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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58 public String getName() {
85e442933e6d New CrossSectionArtifact.
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parents:
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59 return CS_ARTIFACT_NAME;
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parents:
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60 }
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parents:
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61
85e442933e6d New CrossSectionArtifact.
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parents:
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62
1985
07b176b14205 Cosmetics, docs.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1982
diff changeset
63 /** Store ids, create a CrossSectionFacet. */
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
64 @Override
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
65 public void setup(
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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66 String identifier,
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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67 ArtifactFactory factory,
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
68 Object context,
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
69 CallMeta callMeta,
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
70 Document data)
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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71 {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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72 logger.info("CrossSectionArtifact.setup");
85e442933e6d New CrossSectionArtifact.
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parents:
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73
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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74 super.setup(identifier, factory, context, callMeta, data);
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parents:
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75
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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76 String ids = XMLUtils.xpathString(
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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77 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
85e442933e6d New CrossSectionArtifact.
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parents:
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78
85e442933e6d New CrossSectionArtifact.
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parents:
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79 if (ids != null && ids.length() > 0) {
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
80 addStringData(DATA_DBID, ids);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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81 logger.debug("CrossSectionArtifacts db-id: " + ids);
1964
85e442933e6d New CrossSectionArtifact.
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82 }
85e442933e6d New CrossSectionArtifact.
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parents:
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83 else {
85e442933e6d New CrossSectionArtifact.
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parents:
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84 throw new IllegalArgumentException("No attribute 'ids' found!");
85e442933e6d New CrossSectionArtifact.
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85 }
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parents:
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86
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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87 // Assume we start at km 0.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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88 addStringData(DATA_KM, "0");
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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89 addStringData(DATA_IS_MASTER, "0");
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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90
1964
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parents:
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91 List<Facet> fs = new ArrayList<Facet>();
1971
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1967
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92 CrossSection cs = CrossSectionFactory.getCrossSection(Integer.valueOf(ids));
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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93 fs.add(new CrossSectionFacet(0, cs.getDescription()));
1964
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parents:
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94
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95 StaticState state = (StaticState) getCurrentState(context);
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96
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97 if (!fs.isEmpty()) {
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98 facets.put(getCurrentStateId(), fs);
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99 }
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100 }
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101
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102
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103 /** Do not copy data from daddyfact. */
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104 @Override
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105 protected void initialize(
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parents:
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106 Artifact artifact,
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107 Object context,
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108 CallMeta callMeta)
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109 {
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110 // do nothing
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111 }
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112
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parents:
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113
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114 /**
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115 * Create and return a new StaticState with charting output.
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116 */
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117 @Override
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118 public State getCurrentState(Object cc) {
1971
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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119 final List<Facet> fs = facets.get(getCurrentStateId());
1964
85e442933e6d New CrossSectionArtifact.
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120
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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121 StaticState state = new StaticState(STATIC_STATE_NAME) {
1982
8afd6a9bb244 Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1973
diff changeset
122 @Override
1971
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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123 public Object staticCompute(List<Facet> facets) {
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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124 if (facets != null) {
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parents: 1967
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125 facets.addAll(fs);
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1967
diff changeset
126 }
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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127 return null;
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
diff changeset
128 }
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1967
diff changeset
129 };
1964
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parents:
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130
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
131 state.addDefaultChartOutput("cross_section", fs);
1964
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parents:
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132
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133 return state;
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134 }
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135
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136
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parents:
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137 /**
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parents:
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138 * Get a list containing the one and only State.
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parents:
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139 * @param context ignored.
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140 * @return list with one and only state.
85e442933e6d New CrossSectionArtifact.
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141 */
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parents:
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142 @Override
85e442933e6d New CrossSectionArtifact.
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parents:
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143 protected List<State> getStates(Object context) {
85e442933e6d New CrossSectionArtifact.
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144 ArrayList<State> states = new ArrayList<State>();
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145 states.add(getCurrentState(context));
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146
85e442933e6d New CrossSectionArtifact.
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147 return states;
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148 }
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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149
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150 // TODO all data access needs proper caching.
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151
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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152 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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153 * Get a DataItem casted to int (0 if fails).
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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154 */
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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155 public int getDataAsIntNull(String dataName) {
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parents: 1964
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156 String val = getDataAsString(dataName);
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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157 try {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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158 return Integer.valueOf(val);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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159 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
160 catch (NumberFormatException e) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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161 logger.warn("Could not get data " + dataName + " as int", e);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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162 return 0;
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163 }
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164 }
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parents: 1964
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165
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
166
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parents: 1964
diff changeset
167 /** Returns database-id of cross-section (from data). */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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168 protected int getDBID() {
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169 return getDataAsIntNull(DATA_DBID);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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170 }
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171
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172
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173 /**
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parents: 1964
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174 * Return position (km) from data, 0 if not found.
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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175 */
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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176 protected double getKm() {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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177 String val = getDataAsString(DATA_KM);
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178 try {
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179 return Double.valueOf(val);
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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180 }
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
181 catch (NumberFormatException e) {
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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182 logger.warn("Could not get data " + DATA_KM + " as double", e);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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183 return 0;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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184 }
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185 }
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186
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187
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188 /** Returns true if artifact is set to be a "master" (other facets will
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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189 * refer to this). */
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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190 public boolean isMaster() {
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parents: 1964
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191 return !getDataAsString(DATA_IS_MASTER).equals("0");
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192 }
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193
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194
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195 /**
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196 * Get points of Profile of cross section at given kilometer.
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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197 *
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198 * @return an array holding coordinates of points of profile (
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
199 * in the form {{x1, x2} {y1, y2}} ).
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200 */
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diff changeset
201 public double [][] getCrossSectionData() {
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diff changeset
202 logger.info("getCrossSectionData() for cross_section.km "
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
203 + getDataAsString(DATA_KM));
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diff changeset
204 CrossSectionLine line = searchCrossSectionLine();
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diff changeset
205
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206 return line != null
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diff changeset
207 ? line.fetchCrossSectionProfile()
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208 : null;
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
209 }
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diff changeset
210
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diff changeset
211
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
212 /**
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213 * Get CrossSectionLine spatially closest to what is specified in the data
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
214 * "cross_section.km".
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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215 *
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diff changeset
216 * @return CrossSectionLine closest to "cross_section.km".
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parents: 1964
diff changeset
217 */
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Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
218 public CrossSectionLine searchCrossSectionLine() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
219 double wishKM = getKm();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
220
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
221 CrossSection crossSection = CrossSectionFactory.getCrossSection(getDBID());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
222 logger.debug("dbid " + getDBID() + " : " + crossSection);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
223 List<CrossSectionLine> crossSectionLines =
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
224 crossSection.getLines();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
225
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diff changeset
226 // Get the cross section closest to requested km.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
227 // Naive, linear approach.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
228 CrossSectionLine oldLine = crossSectionLines.get(0);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
229 double oldDiff = Math.abs(wishKM - oldLine.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
230 for (CrossSectionLine line: crossSectionLines) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
231 double diff = Math.abs(wishKM - line.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
232 if (diff > oldDiff) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
233 break;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
234 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
235 oldDiff = diff;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
236 oldLine = line;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
237 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
238 return oldLine;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
239 }
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
240 }
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
241 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org