Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/CrossSectionArtifact.java @ 2036:c03aeb0cf46b

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Initialize km of cross-section artifact to a better value (not all cases covered, yet). flys-artifacts/trunk@3509 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 21 Dec 2011 11:29:59 +0000
parents 07b176b14205
children 986820795c3b
rev   line source
1964
85e442933e6d New CrossSectionArtifact.
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parents:
diff changeset
1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7
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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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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.flys.artifacts.model.CrossSectionFacet;
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15
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27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
diff changeset
16 import de.intevation.flys.model.CrossSection;
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17 import de.intevation.flys.model.CrossSectionLine;
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18 import de.intevation.flys.artifacts.model.CrossSectionFactory;
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19 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
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24 import de.intevation.artifactdatabase.state.Facet;
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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.
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29 * Artifact describing a cross-section.
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30 */
1964
85e442933e6d New CrossSectionArtifact.
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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
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36 /** Name of Artifact. */
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37 public static final String CS_ARTIFACT_NAME = "cross_section";
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38
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39 /** Name of state. */
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40 public static final String STATIC_STATE_NAME = "state.cross_section";
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41
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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42 /** Name of data item keeping the position. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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43 public static final String DATA_KM = "cross_section.km";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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44
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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45 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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46 public static final String DATA_DBID = "cross_section.dbid";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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47
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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48 /** Name of data item keeping the database id of this c.s.. */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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49 public static final String DATA_IS_MASTER = "cross_section.master?";
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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50
1964
85e442933e6d New CrossSectionArtifact.
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51 /** Own logger. */
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52 private static final Logger logger =
85e442933e6d New CrossSectionArtifact.
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53 Logger.getLogger(CrossSectionArtifact.class);
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54
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55
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56 /** Return given name. */
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57 @Override
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58 public String getName() {
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59 return CS_ARTIFACT_NAME;
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60 }
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61
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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.
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parents:
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65 public void setup(
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66 String identifier,
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67 ArtifactFactory factory,
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68 Object context,
85e442933e6d New CrossSectionArtifact.
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parents:
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69 CallMeta callMeta,
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70 Document data)
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71 {
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72 logger.info("CrossSectionArtifact.setup");
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73
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74 super.setup(identifier, factory, context, callMeta, data);
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75
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76 String ids = XMLUtils.xpathString(
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77 data, XPATH_IDS, ArtifactNamespaceContext.INSTANCE);
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78
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79 if (ids != null && ids.length() > 0) {
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27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
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80 addStringData(DATA_DBID, ids);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
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parents: 1964
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81 logger.debug("CrossSectionArtifacts db-id: " + ids);
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82 }
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83 else {
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84 throw new IllegalArgumentException("No attribute 'ids' found!");
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85 }
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86
2036
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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87
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27bb2e24f7f8 Preparations for better CrossSection diagrams.
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88 addStringData(DATA_IS_MASTER, "0");
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89
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90 List<Facet> fs = new ArrayList<Facet>();
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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91 CrossSection cs = CrossSectionFactory.getCrossSection(Integer.valueOf(ids));
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c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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92 CrossSectionLine csl = cs.getLines().get(0);
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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93 // Find min-km of cross sections, than set DATA_KM to min(DATA_KM, minCross).
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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94 if (csl != null) {
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parents: 1985
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95 double masterKm = Double.valueOf(getDataAsString(DATA_KM));
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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96 if (masterKm < csl.getKm().doubleValue()) {
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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97 addStringData(DATA_KM, csl.getKm().toString());
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parents: 1985
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98 }
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99 }
1971
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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100 fs.add(new CrossSectionFacet(0, cs.getDescription()));
1964
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101
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102 StaticState state = (StaticState) getCurrentState(context);
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103
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104 if (!fs.isEmpty()) {
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105 facets.put(getCurrentStateId(), fs);
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106 }
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107 }
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108
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109
2036
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parents: 1985
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110 /** Copy km where master-artifact "starts". */
1964
85e442933e6d New CrossSectionArtifact.
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111 @Override
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112 protected void initialize(
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113 Artifact artifact,
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114 Object context,
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parents:
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115 CallMeta callMeta)
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116 {
2036
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parents: 1985
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117 WINFOArtifact winfo = (WINFOArtifact) artifact;
c03aeb0cf46b Initialize km of cross-section artifact to a better value (not all cases covered, yet).
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parents: 1985
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118 this.addStringData(DATA_KM, winfo.getDataAsString("ld_from"));
1964
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119 }
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120
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121
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parents:
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122 /**
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123 * Create and return a new StaticState with charting output.
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124 */
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parents:
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125 @Override
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126 public State getCurrentState(Object cc) {
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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127 final List<Facet> fs = facets.get(getCurrentStateId());
1964
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parents:
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128
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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129 StaticState state = new StaticState(STATIC_STATE_NAME) {
1982
8afd6a9bb244 Cosmetics.
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parents: 1973
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130 @Override
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741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
diff changeset
131 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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132 if (facets != null) {
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parents: 1967
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133 facets.addAll(fs);
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parents: 1967
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134 }
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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135 return null;
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
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136 }
741d2067cfe1 Given CrossSections a name, let crosssection facets survive.
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parents: 1967
diff changeset
137 };
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
138
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
139 state.addDefaultChartOutput("cross_section", fs);
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
140
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
141 return state;
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
142 }
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
143
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
144
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
145 /**
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
146 * Get a list containing the one and only State.
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
147 * @param context ignored.
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
148 * @return list with one and only state.
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
149 */
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
150 @Override
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
151 protected List<State> getStates(Object context) {
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
152 ArrayList<State> states = new ArrayList<State>();
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
153 states.add(getCurrentState(context));
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
154
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
155 return states;
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
156 }
1967
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
157
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
158 // TODO all data access needs proper caching.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
159
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
160 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
161 * Get a DataItem casted to int (0 if fails).
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
162 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
163 public int getDataAsIntNull(String dataName) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
164 String val = getDataAsString(dataName);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
165 try {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
166 return Integer.valueOf(val);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
167 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
168 catch (NumberFormatException e) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
169 logger.warn("Could not get data " + dataName + " as int", e);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
170 return 0;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
171 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
172 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
173
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
174
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
175 /** Returns database-id of cross-section (from data). */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
176 protected int getDBID() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
177 return getDataAsIntNull(DATA_DBID);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
178 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
179
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
180
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
181 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
182 * Return position (km) from data, 0 if not found.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
183 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
184 protected double getKm() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
185 String val = getDataAsString(DATA_KM);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
186 try {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
187 return Double.valueOf(val);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
188 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
189 catch (NumberFormatException e) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
190 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
diff changeset
191 return 0;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
192 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
193 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
194
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
195
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
196 /** Returns true if artifact is set to be a "master" (other facets will
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
197 * refer to this). */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
198 public boolean isMaster() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
199 return !getDataAsString(DATA_IS_MASTER).equals("0");
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
200 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
201
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
202
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
203 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
204 * Get points of Profile of cross section at given kilometer.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
205 *
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
206 * @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
207 * in the form {{x1, x2} {y1, y2}} ).
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
208 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
209 public double [][] getCrossSectionData() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
210 logger.info("getCrossSectionData() for cross_section.km "
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
211 + getDataAsString(DATA_KM));
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
212 CrossSectionLine line = searchCrossSectionLine();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
213
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
214 return line != null
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
215 ? line.fetchCrossSectionProfile()
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
216 : null;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
217 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
218
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
219
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
220 /**
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
221 * Get CrossSectionLine spatially closest to what is specified in the data
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
222 * "cross_section.km".
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
223 *
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
224 * @return CrossSectionLine closest to "cross_section.km".
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
225 */
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
226 public CrossSectionLine searchCrossSectionLine() {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
227 double wishKM = getKm();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
228
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
229 CrossSection crossSection = CrossSectionFactory.getCrossSection(getDBID());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
230 logger.debug("dbid " + getDBID() + " : " + crossSection);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
231 List<CrossSectionLine> crossSectionLines =
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
232 crossSection.getLines();
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
233
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
234 // Get the cross section closest to requested km.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
235 // Naive, linear approach.
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
236 CrossSectionLine oldLine = crossSectionLines.get(0);
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
237 double oldDiff = Math.abs(wishKM - oldLine.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
238 for (CrossSectionLine line: crossSectionLines) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
239 double diff = Math.abs(wishKM - line.getKm().doubleValue());
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
240 if (diff > oldDiff) {
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
241 break;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
242 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
243 oldDiff = diff;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
244 oldLine = line;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
245 }
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
246 return oldLine;
27bb2e24f7f8 Preparations for better CrossSection diagrams.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1964
diff changeset
247 }
1964
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
248 }
85e442933e6d New CrossSectionArtifact.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
249 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org