Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java @ 4837:9e25c7523485

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Fixed calculation of effective width in MINFO SQ relation. * Get all (including empty datasets) from db. * Filter empty datasets when processing data of the same date. * Added debug outputs.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 23 Jan 2013 11:14:41 +0100
parents a2735a4bf75e
children
rev   line source
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5e9696c32f04 Added datacage config and loaders for KM WMS layer in floodmaps.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.List;
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4
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5 import org.w3c.dom.Document;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import com.vividsolutions.jts.geom.Envelope;
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10 import com.vividsolutions.jts.geom.Geometry;
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11
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12 import de.intevation.artifacts.ArtifactFactory;
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13 import de.intevation.artifacts.CallMeta;
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14
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15 import de.intevation.artifactdatabase.state.Facet;
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16 import de.intevation.artifactdatabase.state.DefaultOutput;
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17 import de.intevation.artifactdatabase.state.State;
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18
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19 import de.intevation.flys.model.River;
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50110699e38e Determine correct bounding box a KMs WMS layer.
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20 import de.intevation.flys.model.RiverAxisKm;
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21
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22 import de.intevation.flys.artifacts.WMSDBArtifact.WMSDBState;
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23 import de.intevation.flys.artifacts.model.FacetTypes;
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24 import de.intevation.flys.artifacts.model.RiverFactory;
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25 import de.intevation.flys.utils.FLYSUtils;
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c8f670ae96e8 Create extent of a map layer in the correct coordinate reference system.
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26 import de.intevation.flys.utils.GeometryUtils;
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27
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28
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29 public class WMSKmArtifact extends WMSDBArtifact {
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30
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31 public static final String NAME = "wmskm";
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32
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33
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34 private static final Logger logger = Logger.getLogger(WMSKmArtifact.class);
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35
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36
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37 @Override
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38 public void setup(
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39 String identifier,
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40 ArtifactFactory factory,
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41 Object context,
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42 CallMeta callMeta,
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43 Document data)
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44 {
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45 logger.debug("WMSKmArtifact.setup");
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46
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47 super.setup(identifier, factory, context, callMeta, data);
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48 }
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49
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50
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51 @Override
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52 public String getName() {
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53 return NAME;
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54 }
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55
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56
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57 @Override
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58 public State getCurrentState(Object cc) {
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59 State s = new WMSKmState(this);
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60
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61 List<Facet> fs = getFacets(getCurrentStateId());
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62
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63 DefaultOutput o = new DefaultOutput(
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64 "floodmap",
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65 "floodmap",
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66 "image/png",
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67 fs,
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68 "map");
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69
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70 s.getOutputs().add(o);
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71
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72 return s;
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73 }
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75
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76
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77 public static class WMSKmState extends WMSDBState implements FacetTypes {
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78
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79 private static final Logger logger = Logger.getLogger(WMSKmState.class);
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80
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81 protected Geometry geom;
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82 protected int riverId;
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83
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84 public WMSKmState(WMSDBArtifact artifact) {
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85 super(artifact);
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86 riverId = 0;
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87 }
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88
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89 public int getRiverId() {
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90 if (riverId == 0) {
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91 String ids = artifact.getDataAsString("ids");
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92
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93 try {
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94 riverId = Integer.parseInt(ids);
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95 }
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96 catch (NumberFormatException nfe) {
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97 logger.error("Cannot parse river id from '" + ids + "'");
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98 }
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99 }
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100
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101 return riverId;
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102 }
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103
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104 @Override
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105 protected String getFacetType() {
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106 return FLOODMAP_KMS;
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107 }
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108
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109 @Override
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110 protected String getUrl() {
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111 return FLYSUtils.getUserWMSUrl(artifact.identifier());
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112 }
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113
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114 @Override
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115 protected String getSrid() {
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116 River river = RiverFactory.getRiver(getRiverId());
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117 return FLYSUtils.getRiverSrid(river.getName());
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118 }
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119
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120 @Override
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121 protected Envelope getExtent(boolean reproject) {
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122 List<RiverAxisKm> kms = RiverAxisKm.getRiverAxisKms(getRiverId());
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123
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124 Envelope max = null;
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125
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126 for (RiverAxisKm km: kms) {
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127 Envelope env = km.getGeom().getEnvelopeInternal();
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128
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129 if (max == null) {
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130 max = env;
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131 continue;
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132 }
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133
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134 max.expandToInclude(env);
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135 }
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136
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137 return max != null && reproject
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138 ? GeometryUtils.transform(max, getSrid())
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139 : max;
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140 }
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141
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142 @Override
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143 protected String getFilter() {
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144 return "river_id=" + String.valueOf(getRiverId());
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145 }
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146
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147 @Override
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148 protected String getDataString() {
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149 String srid = getSrid();
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150
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151 if (FLYSUtils.isUsingOracle()) {
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152 return "geom FROM river_axes_km USING SRID " + srid;
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153 }
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154 else {
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155 return "geom FROM river_axes_km " +
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156 "USING UNIQUE id USING SRID " + srid;
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157 }
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158 }
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159
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160 @Override
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161 protected String getLabelItem() {
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162 return "km";
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163 }
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164
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165 @Override
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166 protected String getGeometryType() {
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167 return "POINT";
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168 }
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169 } // end of WMSKmState
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170 }
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171 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org