Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 2022:3c3693e9c538

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Removed obsolete imports. flys-artifacts/trunk@3479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 20 Dec 2011 07:01:08 +0000
parents 092e1e5020bc
children cbeeaaad1056
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 java.io.IOException;
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4 import java.io.File;
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5 import java.io.Serializable;
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6 import java.net.MalformedURLException;
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7 import java.util.ArrayList;
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8 import java.util.HashMap;
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9 import java.util.List;
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10 import java.util.Map;
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11
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12 import org.apache.log4j.Logger;
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13
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14 import com.vividsolutions.jts.geom.Coordinate;
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15 import com.vividsolutions.jts.geom.Envelope;
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16 import com.vividsolutions.jts.geom.Geometry;
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17
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18 import org.opengis.feature.simple.SimpleFeature;
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19 import org.opengis.feature.simple.SimpleFeatureType;
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20 import org.opengis.referencing.FactoryException;
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21 import org.opengis.referencing.NoSuchAuthorityCodeException;
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005c2964f9af Use the correct SRID while reading GeoJSON barriers and writing line/polygon shapefiles.
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22 import org.opengis.referencing.crs.CoordinateReferenceSystem;
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23
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24 import org.geotools.data.DataStoreFactorySpi;
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25 import org.geotools.data.FeatureStore;
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26 import org.geotools.data.DefaultTransaction;
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27 import org.geotools.data.Transaction;
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28 import org.geotools.data.shapefile.ShapefileDataStore;
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29 import org.geotools.data.shapefile.ShapefileDataStoreFactory;
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30 import org.geotools.feature.FeatureIterator;
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31 import org.geotools.feature.FeatureCollection;
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32 import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
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33 import org.geotools.geojson.feature.FeatureJSON;
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34 import org.geotools.referencing.CRS;
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35
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36 import de.intevation.flys.model.RiverAxis;
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37
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parents:
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38
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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39 public class GeometryUtils {
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40
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41 private static final Logger logger = Logger.getLogger(GeometryUtils.class);
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42
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parents: 1119
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43
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44 private GeometryUtils() {
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45 }
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parents:
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46
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47
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48 public static Envelope getRiverBoundary(String rivername) {
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49 RiverAxis axis = RiverAxis.getRiverAxis(rivername);
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50 if (axis != null) {
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51 // TODO Take the correct EPSG into account. Maybe, we need to
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52 // reproject the geometry.
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53 return axis.getGeom().getEnvelopeInternal();
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54 }
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55
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56 return null;
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57 }
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58
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59
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60 public static String getRiverBounds(String rivername) {
092e1e5020bc Added a new MapGenerator which only returns a map configuration document at the moment (work still in progress).
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61 Envelope env = getRiverBoundary(rivername);
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62
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63 if (env == null) {
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64 return jtsBoundsToOLBounds(env);
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65 }
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66
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67 return null;
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68 }
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69
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70
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71 /**
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72 * Returns the boundary of Envelope <i>env</i> in OpenLayers
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73 * representation.
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74 *
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75 * @param env The envelope of a geometry.
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76 *
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77 * @return the OpenLayers boundary of <i>env</i>.
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78 */
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79 public static String jtsBoundsToOLBounds(Envelope env) {
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80 return "" +
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81 env.getMinX() + " " +
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82 env.getMinY() + " " +
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83 env.getMaxX() + " " +
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84 env.getMaxY();
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85 }
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86
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87
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88 public static String createOLBounds(Geometry a, Geometry b) {
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89 Coordinate[] ca = a.getCoordinates();
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90 Coordinate[] cb = b.getCoordinates();
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91
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92 double lowerX = Double.MAX_VALUE;
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93 double lowerY = Double.MAX_VALUE;
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94 double upperX = -Double.MAX_VALUE;
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95 double upperY = -Double.MAX_VALUE;
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96
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97 for (Coordinate c: ca) {
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98 lowerX = lowerX < c.x ? lowerX : c.x;
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parents: 1164
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99 lowerY = lowerY < c.y ? lowerY : c.y;
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100
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101 upperX = upperX > c.x ? upperX : c.x;
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parents: 1164
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102 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
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103 }
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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104
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105 for (Coordinate c: cb) {
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parents: 1164
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106 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
diff changeset
107 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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108
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diff changeset
109 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
110 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1164
diff changeset
111 }
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
112
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
113 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1164
diff changeset
114 }
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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115
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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116
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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117 public static SimpleFeatureType buildFeatureType(
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118 String name, String srs, Class geometryType)
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parents: 1106
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119 {
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120 return buildFeatureType(name, srs, geometryType, null);
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121 }
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122
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123
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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124 /**
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125 * Creates a new SimpleFeatureType using a SimpleFeatureTypeBuilder.
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126 *
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127 * @param name The name of the FeatureType.
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128 * @param srs The SRS (e.g. "EPSG:31466").
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129 * @param geometryType The geometry type's class (e.g. Polygon.class).
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130 * @param attrs Optional. An object with attribute-name/attribute-class
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131 * pairs where index 0 specifies the name as string and index 1 the type
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132 * as class.
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133 *
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134 * @return a new SimpleFeatureType.
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135 */
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136 public static SimpleFeatureType buildFeatureType(
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137 String name, String srs, Class geometryType, Object[][] attrs)
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
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138 {
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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139 try {
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140 SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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141 CoordinateReferenceSystem crs = CRS.decode(srs);
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142
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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143 builder.setName("flys");
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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144 builder.setNamespaceURI("http://www.intevation.de/");
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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145 builder.setCRS(crs);
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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146 builder.setSRS(srs);
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147
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5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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148 builder.add("geometry", geometryType, crs);
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149
1119
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150 if (attrs != null) {
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151 for (Object[] attr: attrs) {
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152 builder.add((String) attr[0], (Class) attr[1]);
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parents: 1108
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153 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
diff changeset
154 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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155
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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156 return builder.buildFeatureType();
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157 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
158 catch (NoSuchAuthorityCodeException nsae) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
159 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
160 catch (FactoryException fe) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
161 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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parents: 1107
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162
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
163 return null;
1106
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parents: 1052
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164 }
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165
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
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166
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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diff changeset
167 public static List<SimpleFeature> parseGeoJSON(
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168 String geojson, SimpleFeatureType ft
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parents: 1052
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169 ) {
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170 List<SimpleFeature> collection = new ArrayList<SimpleFeature>();
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171
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
172 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
173 FeatureJSON fjson = new FeatureJSON();
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parents: 1052
diff changeset
174 fjson.setFeatureType(ft);
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parents: 1052
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175
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
176 FeatureIterator<SimpleFeature> iterator =
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parents: 1052
diff changeset
177 fjson.streamFeatureCollection(geojson);
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parents: 1052
diff changeset
178
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
179 while (iterator.hasNext()) {
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parents: 1052
diff changeset
180 collection.add(iterator.next());
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
181 }
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
182 }
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
183 catch (IOException ioe) {
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
184 // TODO handle exception
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
185 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
186
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
187 return collection;
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parents: 1052
diff changeset
188 }
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parents: 1052
diff changeset
189
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
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
191 public static boolean writeShapefile(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
192 File shape,
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
193 SimpleFeatureType featureType,
1121
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
194 FeatureCollection collection
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
195 ) {
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
196 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1144
diff changeset
197 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
198 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1144
diff changeset
199 }
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
200
1121
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
201 Transaction transaction = null;
1106
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diff changeset
202
1121
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diff changeset
203 try {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
204 Map<String, Serializable> params =
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
205 new HashMap<String, Serializable>();
1106
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diff changeset
206
1121
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diff changeset
207 params.put("url", shape.toURI().toURL());
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diff changeset
208 params.put("create spatial index", Boolean.TRUE);
1106
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diff changeset
209
1121
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diff changeset
210 DataStoreFactorySpi dataStoreFactory =
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diff changeset
211 new ShapefileDataStoreFactory();
1106
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diff changeset
212
1121
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diff changeset
213 ShapefileDataStore newDataStore =
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diff changeset
214 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params);
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parents: 1119
diff changeset
215 newDataStore.createSchema(featureType);
1106
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diff changeset
216
1121
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diff changeset
217 transaction = new DefaultTransaction("create");
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
218
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
219 String typeName = newDataStore.getTypeNames()[0];
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
220
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
221 FeatureStore<SimpleFeatureType, SimpleFeature> featureStore =
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
222 (FeatureStore<SimpleFeatureType, SimpleFeature>)
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
223 newDataStore.getFeatureSource(typeName);
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
224
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
225 featureStore.setTransaction(transaction);
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
226
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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227 featureStore.addFeatures(collection);
66783d957201 Close open shapefile transactions properly.
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228 transaction.commit();
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229
66783d957201 Close open shapefile transactions properly.
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230 return true;
66783d957201 Close open shapefile transactions properly.
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parents: 1119
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231 }
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232 catch (MalformedURLException mue) {
66783d957201 Close open shapefile transactions properly.
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233 logger.error("Unable to prepare shapefile: " + mue.getMessage());
66783d957201 Close open shapefile transactions properly.
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234 }
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235 catch (IOException ioe) {
66783d957201 Close open shapefile transactions properly.
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236 logger.error("Unable to write shapefile: " + ioe.getMessage());
66783d957201 Close open shapefile transactions properly.
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237 }
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238 finally {
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239 if (transaction != null) {
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240 try {
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241 logger.debug("XXX CLOSE TRANSACTION!");
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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242 transaction.close();
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parents: 1119
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243 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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244 catch (IOException ioe) { /* do nothing */ }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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245 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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246 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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247
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248 return false;
1106
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
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249 }
1052
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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250 }
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>
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251 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org