Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 2089:0da8874bd378

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Added initial state to map artifact to be able to advance and step back. The map artifact overrides describe() to have the complete UI information in the describe response document. flys-artifacts/trunk@3613 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 06 Jan 2012 12:02:10 +0000
parents cbeeaaad1056
children 33aa37e6d98f
rev   line source
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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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36 import de.intevation.flys.model.RiverAxis;
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38
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39 public class GeometryUtils {
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41 private static final Logger logger = Logger.getLogger(GeometryUtils.class);
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42
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43
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44 private GeometryUtils() {
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45 }
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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 List<RiverAxis> axes = RiverAxis.getRiverAxis(rivername);
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50 if (axes != null && axes.size() > 0) {
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51 Envelope max = null;
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52
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53 for (RiverAxis axis: axes) {
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54 // TODO Take the correct EPSG into account. Maybe, we need to
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55 // reproject the geometry.
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56 Envelope env = axis.getGeom().getEnvelopeInternal();
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57
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58 if (max == null) {
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59 max = env;
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60 }
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61 else {
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62 max.expandToInclude(env);
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63 }
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64 }
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65
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66 return max;
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67 }
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68
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69 return null;
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70 }
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71
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72
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73 public static String getRiverBounds(String rivername) {
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74 Envelope env = getRiverBoundary(rivername);
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75
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76 if (env == null) {
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77 return jtsBoundsToOLBounds(env);
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78 }
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79
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80 return null;
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81 }
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82
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83
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84 /**
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85 * Returns the boundary of Envelope <i>env</i> in OpenLayers
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86 * representation.
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87 *
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88 * @param env The envelope of a geometry.
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89 *
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90 * @return the OpenLayers boundary of <i>env</i>.
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91 */
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92 public static String jtsBoundsToOLBounds(Envelope env) {
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93 return "" +
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94 env.getMinX() + " " +
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95 env.getMinY() + " " +
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96 env.getMaxX() + " " +
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97 env.getMaxY();
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98 }
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99
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100
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101 public static String createOLBounds(Geometry a, Geometry b) {
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102 Coordinate[] ca = a.getCoordinates();
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103 Coordinate[] cb = b.getCoordinates();
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104
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105 double lowerX = Double.MAX_VALUE;
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106 double lowerY = Double.MAX_VALUE;
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107 double upperX = -Double.MAX_VALUE;
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108 double upperY = -Double.MAX_VALUE;
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109
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110 for (Coordinate c: ca) {
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
111 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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diff changeset
112 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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113
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
114 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
115 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
116 }
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
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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parents: 1164
diff changeset
118 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.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1164
diff changeset
119 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
120 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>
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 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>
parents: 1164
diff changeset
123 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
124 }
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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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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126 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
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127 }
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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128
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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129
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005c2964f9af Use the correct SRID while reading GeoJSON barriers and writing line/polygon shapefiles.
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130 public static SimpleFeatureType buildFeatureType(
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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131 String name, String srs, Class geometryType)
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132 {
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133 return buildFeatureType(name, srs, geometryType, null);
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134 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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135
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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136
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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137 /**
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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138 * Creates a new SimpleFeatureType using a SimpleFeatureTypeBuilder.
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139 *
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140 * @param name The name of the FeatureType.
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141 * @param srs The SRS (e.g. "EPSG:31466").
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142 * @param geometryType The geometry type's class (e.g. Polygon.class).
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143 * @param attrs Optional. An object with attribute-name/attribute-class
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144 * pairs where index 0 specifies the name as string and index 1 the type
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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145 * as class.
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146 *
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147 * @return a new SimpleFeatureType.
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148 */
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149 public static SimpleFeatureType buildFeatureType(
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150 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
diff changeset
151 {
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
152 try {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
153 SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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154 CoordinateReferenceSystem crs = CRS.decode(srs);
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155
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
156 builder.setName("flys");
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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157 builder.setNamespaceURI("http://www.intevation.de/");
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158 builder.setCRS(crs);
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
159 builder.setSRS(srs);
1106
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160
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
161 builder.add("geometry", geometryType, crs);
1106
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162
1119
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parents: 1108
diff changeset
163 if (attrs != null) {
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
diff changeset
164 for (Object[] attr: attrs) {
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parents: 1108
diff changeset
165 builder.add((String) attr[0], (Class) attr[1]);
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
diff changeset
166 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1108
diff changeset
167 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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parents: 1108
diff changeset
168
1108
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
169 return builder.buildFeatureType();
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
170 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
171 catch (NoSuchAuthorityCodeException nsae) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
172 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
173 catch (FactoryException fe) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
174 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
175
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1107
diff changeset
176 return null;
1106
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
177 }
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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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
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
180 public static List<SimpleFeature> parseGeoJSON(
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parents: 1052
diff changeset
181 String geojson, SimpleFeatureType ft
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 ) {
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parents: 1052
diff changeset
183 List<SimpleFeature> collection = new ArrayList<SimpleFeature>();
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parents: 1052
diff changeset
184
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 try {
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
186 FeatureJSON fjson = new FeatureJSON();
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
187 fjson.setFeatureType(ft);
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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 FeatureIterator<SimpleFeature> iterator =
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
190 fjson.streamFeatureCollection(geojson);
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parents: 1052
diff changeset
191
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
192 while (iterator.hasNext()) {
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 collection.add(iterator.next());
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
194 }
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
195 }
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
196 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
197 // 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
198 }
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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.
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parents: 1052
diff changeset
200 return collection;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
201 }
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
202
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
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 public static boolean writeShapefile(
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1052
diff changeset
205 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
206 SimpleFeatureType featureType,
1121
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
207 FeatureCollection collection
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
208 ) {
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
209 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
210 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
211 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
212 }
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
213
1121
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
214 Transaction transaction = null;
1106
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
215
1121
66783d957201 Close open shapefile transactions properly.
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parents: 1119
diff changeset
216 try {
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
217 Map<String, Serializable> params =
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
218 new HashMap<String, Serializable>();
1106
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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parents: 1052
diff changeset
219
1121
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
220 params.put("url", shape.toURI().toURL());
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
221 params.put("create spatial index", Boolean.TRUE);
1106
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
222
1121
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
223 DataStoreFactorySpi dataStoreFactory =
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
224 new ShapefileDataStoreFactory();
1106
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
225
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226 ShapefileDataStore newDataStore =
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227 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params);
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228 newDataStore.createSchema(featureType);
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229
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230 transaction = new DefaultTransaction("create");
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231
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232 String typeName = newDataStore.getTypeNames()[0];
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233
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234 FeatureStore<SimpleFeatureType, SimpleFeature> featureStore =
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235 (FeatureStore<SimpleFeatureType, SimpleFeature>)
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236 newDataStore.getFeatureSource(typeName);
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237
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238 featureStore.setTransaction(transaction);
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239
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240 featureStore.addFeatures(collection);
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241 transaction.commit();
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242
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243 return true;
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244 }
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245 catch (MalformedURLException mue) {
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246 logger.error("Unable to prepare shapefile: " + mue.getMessage());
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247 }
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248 catch (IOException ioe) {
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249 logger.error("Unable to write shapefile: " + ioe.getMessage());
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250 }
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251 finally {
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252 if (transaction != null) {
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253 try {
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254 logger.debug("XXX CLOSE TRANSACTION!");
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255 transaction.close();
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256 }
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257 catch (IOException ioe) { /* do nothing */ }
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258 }
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259 }
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260
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261 return false;
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262 }
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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.
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263 }
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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264 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org