Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 3286:f062b5a90e26

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Add showpointlabel style attribute flys-artifacts/trunk@4948 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Christian Lins <christian.lins@intevation.de>
date Thu, 12 Jul 2012 11:51:32 +0000
parents 33aa37e6d98f
children c8f670ae96e8
rev   line source
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eeebf8514c7f The boundary (extent) for the river axis is determined based on its geometry - this extent is written into the wms facet.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.utils;
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2
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3 import com.vividsolutions.jts.geom.Coordinate;
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4 import com.vividsolutions.jts.geom.Envelope;
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5 import com.vividsolutions.jts.geom.Geometry;
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6
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7 import de.intevation.flys.model.RiverAxis;
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8
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9 import java.io.File;
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10 import java.io.IOException;
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11 import java.io.Serializable;
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12 import java.net.MalformedURLException;
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13 import java.util.ArrayList;
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14 import java.util.HashMap;
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15 import java.util.List;
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16 import java.util.Map;
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17
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18 import org.apache.log4j.Logger;
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19 import org.geotools.data.DataStoreFactorySpi;
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20 import org.geotools.data.DefaultTransaction;
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21 import org.geotools.data.FeatureWriter;
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22 import org.geotools.data.Transaction;
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23 import org.geotools.data.shapefile.ShapefileDataStore;
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24 import org.geotools.data.shapefile.ShapefileDataStoreFactory;
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25 import org.geotools.data.simple.SimpleFeatureIterator;
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26 import org.geotools.feature.FeatureCollection;
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27 import org.geotools.feature.FeatureIterator;
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28 import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
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29 import org.geotools.geojson.feature.FeatureJSON;
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30 import org.geotools.geometry.jts.JTS;
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31 import org.geotools.referencing.CRS;
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32 import org.opengis.feature.simple.SimpleFeature;
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33 import org.opengis.feature.simple.SimpleFeatureType;
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34 import org.opengis.referencing.FactoryException;
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35 import org.opengis.referencing.NoSuchAuthorityCodeException;
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36 import org.opengis.referencing.crs.CoordinateReferenceSystem;
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37 import org.opengis.referencing.operation.MathTransform;
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38 import org.opengis.referencing.operation.TransformException;
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39
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41 public class GeometryUtils {
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42
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43 private static final Logger logger = Logger.getLogger(GeometryUtils.class);
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44
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45 public static final String DEFAULT_EPSG = "EPSG:31467";
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48 private GeometryUtils() {
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49 }
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50
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51
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52 public static Envelope getRiverBoundary(String rivername) {
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53 List<RiverAxis> axes = RiverAxis.getRiverAxis(rivername);
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54 if (axes != null && axes.size() > 0) {
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55 Envelope max = null;
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56
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57 for (RiverAxis axis: axes) {
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58 // TODO Take the correct EPSG into account. Maybe, we need to
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59 // reproject the geometry.
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60 Envelope env = axis.getGeom().getEnvelopeInternal();
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61
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62 if (max == null) {
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63 max = env;
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64 }
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65 else {
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66 max.expandToInclude(env);
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67 }
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68 }
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69
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70 return max;
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71 }
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72
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73 return null;
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74 }
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77 public static String getRiverBounds(String rivername) {
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78 Envelope env = getRiverBoundary(rivername);
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79
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80 if (env == null) {
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81 return jtsBoundsToOLBounds(env);
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82 }
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83
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84 return null;
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85 }
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86
c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
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87
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88 /**
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89 * Returns the boundary of Envelope <i>env</i> in OpenLayers
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90 * representation.
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91 *
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92 * @param env The envelope of a geometry.
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93 *
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94 * @return the OpenLayers boundary of <i>env</i>.
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95 */
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96 public static String jtsBoundsToOLBounds(Envelope env) {
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97 return "" +
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98 env.getMinX() + " " +
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99 env.getMinY() + " " +
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100 env.getMaxX() + " " +
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101 env.getMaxY();
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102 }
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103
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104
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105 public static String createOLBounds(Geometry a, Geometry b) {
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106 Coordinate[] ca = a.getCoordinates();
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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107 Coordinate[] cb = b.getCoordinates();
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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108
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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109 double lowerX = Double.MAX_VALUE;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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110 double lowerY = Double.MAX_VALUE;
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111 double upperX = -Double.MAX_VALUE;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
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112 double upperY = -Double.MAX_VALUE;
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113
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114 for (Coordinate c: ca) {
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115 lowerX = lowerX < c.x ? lowerX : c.x;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
116 lowerY = lowerY < c.y ? lowerY : c.y;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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117
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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diff changeset
118 upperX = upperX > c.x ? upperX : c.x;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
119 upperY = upperY > c.y ? upperY : c.y;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
120 }
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
121
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
122 for (Coordinate c: cb) {
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
123 lowerX = lowerX < c.x ? lowerX : c.x;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
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124 lowerY = lowerY < c.y ? lowerY : c.y;
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parents: 1164
diff changeset
125
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
126 upperX = upperX > c.x ? upperX : c.x;
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parents: 1164
diff changeset
127 upperY = upperY > c.y ? upperY : c.y;
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parents: 1164
diff changeset
128 }
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129
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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130 return "" + lowerX + " " + lowerY + " " + upperX + " " + upperY;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
diff changeset
131 }
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132
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133
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005c2964f9af Use the correct SRID while reading GeoJSON barriers and writing line/polygon shapefiles.
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134 public static SimpleFeatureType buildFeatureType(
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135 String name, String srs, Class<?> geometryType)
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parents: 1106
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136 {
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diff changeset
137 return buildFeatureType(name, srs, geometryType, null);
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parents: 1108
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138 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
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139
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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140
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1108
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141 /**
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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142 * Creates a new SimpleFeatureType using a SimpleFeatureTypeBuilder.
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143 *
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144 * @param name The name of the FeatureType.
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145 * @param srs The SRS (e.g. "EPSG:31466").
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146 * @param geometryType The geometry type's class (e.g. Polygon.class).
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147 * @param attrs Optional. An object with attribute-name/attribute-class
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148 * pairs where index 0 specifies the name as string and index 1 the type
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149 * as class.
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150 *
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151 * @return a new SimpleFeatureType.
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diff changeset
152 */
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153 public static SimpleFeatureType buildFeatureType(
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154 String name, String srs, Class<?> geometryType, Object[][] attrs)
1119
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parents: 1108
diff changeset
155 {
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
156 try {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
157 SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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parents: 1107
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158 CoordinateReferenceSystem crs = CRS.decode(srs);
1106
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159
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
160 builder.setName("flys");
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
161 builder.setNamespaceURI("http://www.intevation.de/");
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
162 builder.setCRS(crs);
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parents: 1107
diff changeset
163 builder.setSRS(srs);
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164
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5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
165 builder.add("geometry", geometryType, crs);
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166
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diff changeset
167 if (attrs != null) {
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diff changeset
168 for (Object[] attr: attrs) {
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diff changeset
169 builder.add((String) attr[0], (Class<?>) attr[1]);
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170 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1108
diff changeset
171 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
diff changeset
172
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
173 return builder.buildFeatureType();
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parents: 1107
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174 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
175 catch (NoSuchAuthorityCodeException nsae) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
176 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
177 catch (FactoryException fe) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
178 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
179
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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parents: 1107
diff changeset
180 return null;
1106
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parents: 1052
diff changeset
181 }
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parents: 1052
diff changeset
182
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
183
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
184 public static List<SimpleFeature> parseGeoJSON(
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parents: 1052
diff changeset
185 String geojson, SimpleFeatureType ft
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parents: 1052
diff changeset
186 ) {
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parents: 1052
diff changeset
187 List<SimpleFeature> collection = new ArrayList<SimpleFeature>();
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parents: 1052
diff changeset
188
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
189 try {
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
190 FeatureJSON fjson = new FeatureJSON();
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parents: 1052
diff changeset
191 fjson.setFeatureType(ft);
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parents: 1052
diff changeset
192
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
193 FeatureIterator<SimpleFeature> iterator =
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
194 fjson.streamFeatureCollection(geojson);
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parents: 1052
diff changeset
195
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
196 while (iterator.hasNext()) {
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parents: 1052
diff changeset
197 collection.add(iterator.next());
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parents: 1052
diff changeset
198 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
199 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
200 catch (IOException ioe) {
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
201 // TODO handle exception
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
202 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
203
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
204 return collection;
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parents: 1052
diff changeset
205 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
206
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
207
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
208 public static boolean writeShapefile(
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parents: 1052
diff changeset
209 File shape,
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parents: 1052
diff changeset
210 SimpleFeatureType featureType,
1121
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
211 FeatureCollection collection
66783d957201 Close open shapefile transactions properly.
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parents: 1119
diff changeset
212 ) {
2762
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
213 return writeShapefile(
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
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parents: 2078
diff changeset
214 shape, featureType, collection, featureType.getCoordinateReferenceSystem());
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
215 }
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
216
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
217
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
218 public static boolean writeShapefile(
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
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parents: 2078
diff changeset
219 File shape,
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
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parents: 2078
diff changeset
220 SimpleFeatureType featureType,
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
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parents: 2078
diff changeset
221 FeatureCollection collection,
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
222 CoordinateReferenceSystem crs
33aa37e6d98f Reproject geometries before exporting them as shapefiles to filesystem.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2078
diff changeset
223 ) {
1164
0398c2b8dbaf Do only create WSPLGEN and barrier facets if the WSPLGEN job has been added to the Scheduler and if there are digitized geometries existing.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1144
diff changeset
224 if (collection.isEmpty()) {
0398c2b8dbaf Do only create WSPLGEN and barrier facets if the WSPLGEN job has been added to the Scheduler and if there are digitized geometries existing.
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parents: 1144
diff changeset
225 logger.warn("Shapefile is not written - no features given!");
0398c2b8dbaf Do only create WSPLGEN and barrier facets if the WSPLGEN job has been added to the Scheduler and if there are digitized geometries existing.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1144
diff changeset
226 return false;
0398c2b8dbaf Do only create WSPLGEN and barrier facets if the WSPLGEN job has been added to the Scheduler and if there are digitized geometries existing.
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parents: 1144
diff changeset
227 }
0398c2b8dbaf Do only create WSPLGEN and barrier facets if the WSPLGEN job has been added to the Scheduler and if there are digitized geometries existing.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1144
diff changeset
228
2762
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diff changeset
229 Transaction transaction = null;
1106
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diff changeset
230
1121
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231 try {
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232 MathTransform transform = CRS.findMathTransform(
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233 CRS.decode(DEFAULT_EPSG), crs);
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234
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235 Map<String, Serializable> params =
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236 new HashMap<String, Serializable>();
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237
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238 params.put("url", shape.toURI().toURL());
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239 params.put("create spatial index", Boolean.TRUE);
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240
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241 DataStoreFactorySpi dataStoreFactory =
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242 new ShapefileDataStoreFactory();
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243
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244 ShapefileDataStore newDataStore =
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245 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params);
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246 newDataStore.createSchema(featureType);
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247
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248 transaction = new DefaultTransaction("create");
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249
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250 String typeName = newDataStore.getTypeNames()[0];
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251
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252 FeatureWriter<SimpleFeatureType, SimpleFeature> writer =
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253 newDataStore.getFeatureWriter(typeName, transaction);
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254
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255 SimpleFeatureIterator iterator = (SimpleFeatureIterator) collection.features();
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256
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257 while (iterator.hasNext()){
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258 SimpleFeature feature = iterator.next();
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259 SimpleFeature copy = writer.next();
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260
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261 copy.setAttributes(feature.getAttributes());
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262
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263 Geometry orig = (Geometry) feature.getDefaultGeometry();
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264 Geometry reprojected = JTS.transform(orig, transform);
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265
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266 copy.setDefaultGeometry(reprojected);
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267 writer.write();
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268 }
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269
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270 transaction.commit();
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271
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272 return true;
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273 }
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274 catch (MalformedURLException mue) {
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275 logger.error("Unable to prepare shapefile: " + mue.getMessage());
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276 }
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277 catch (IOException ioe) {
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278 logger.error("Unable to write shapefile: " + ioe.getMessage());
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279 }
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280 catch (NoSuchAuthorityCodeException nsae) {
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281 logger.error("Cannot get CoordinateReferenceSystem for '"
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282 + DEFAULT_EPSG + "'");
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283 }
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284 catch (FactoryException fe) {
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285 logger.error("Cannot get CoordinateReferenceSystem for '"
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286 + DEFAULT_EPSG + "'");
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287 }
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288 catch (TransformException te) {
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289 logger.error("Was not able to transform geometry!", te);
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290 }
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291 finally {
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292 if (transaction != null) {
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293 try {
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294 transaction.close();
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295 }
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296 catch (IOException ioe) { /* do nothing */ }
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297 }
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298 }
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299
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300 return false;
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301 }
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302 }
eeebf8514c7f The boundary (extent) for the river axis is determined based on its geometry - this extent is written into the wms facet.
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303 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org