Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 2155:8c9c40459d8f

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Respect rivers flow direction when looking for hyk-formations. flys-artifacts/trunk@3738 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 20 Jan 2012 09:38:43 +0000
parents cbeeaaad1056
children 33aa37e6d98f
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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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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37
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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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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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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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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.
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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.
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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 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.
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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(
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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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parents: 1108
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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.
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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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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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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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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diff changeset
163 if (attrs != null) {
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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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169 return builder.buildFeatureType();
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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
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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 ) {
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 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.
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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.
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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);
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
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()) {
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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.
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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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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.
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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
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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
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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
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parents: 1052
diff changeset
225
1121
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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