Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 1644:2df1f9facd6c

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Cache: Increased number of cached annotations. flys-artifacts/trunk@2831 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 27 Sep 2011 10:00:29 +0000
parents eb3ab28d1c21
children 092e1e5020bc
rev   line source
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:
diff changeset
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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parents: 1052
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7 import java.util.ArrayList;
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8 import java.util.HashMap;
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parents: 1052
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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;
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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15 import com.vividsolutions.jts.geom.Geometry;
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16
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17 import org.opengis.feature.simple.SimpleFeature;
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18 import org.opengis.feature.simple.SimpleFeatureType;
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19 import org.opengis.referencing.FactoryException;
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20 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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21 import org.opengis.referencing.crs.CoordinateReferenceSystem;
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22
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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23 import org.geotools.data.DataStoreFactorySpi;
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24 import org.geotools.data.FeatureStore;
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25 import org.geotools.data.DefaultTransaction;
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26 import org.geotools.data.Transaction;
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27 import org.geotools.data.shapefile.ShapefileDataStore;
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28 import org.geotools.data.shapefile.ShapefileDataStoreFactory;
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29 import org.geotools.feature.FeatureIterator;
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30 import org.geotools.feature.FeatureCollection;
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31 import org.geotools.feature.simple.SimpleFeatureTypeBuilder;
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32 import org.geotools.geojson.feature.FeatureJSON;
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33 import org.geotools.referencing.CRS;
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34
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c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
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35 import de.intevation.flys.model.RiverAxis;
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36
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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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parents:
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37
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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38 public class GeometryUtils {
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
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40 private static final Logger logger = Logger.getLogger(GeometryUtils.class);
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41
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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42
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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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parents:
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43 private GeometryUtils() {
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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44 }
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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parents:
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45
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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parents:
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46
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c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
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47 public static String getRiverBounds(String rivername) {
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48 RiverAxis axis = RiverAxis.getRiverAxis(rivername);
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49 if (axis != null) {
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50 // TODO Take the correct EPSG into account. Maybe, we need to
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51 // reproject the geometry.
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52 Geometry geom = axis.getGeom().getBoundary();
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53 return jtsBoundsToOLBounds(geom);
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54 }
c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
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55
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56 return null;
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parents: 1121
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57 }
c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1121
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58
c07e9e9c7482 Set the river extent for WMSLayers in the FloodMapState.
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59
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60 /**
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61 * Returns the boundary of Geometry <i>geom</i> in OpenLayers
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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parents:
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62 * representation.
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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63 *
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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64 * @param geom The geometry.
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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parents:
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65 *
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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66 * @return the OpenLayers boundary of <i>geom</i>.
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67 */
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68 public static String jtsBoundsToOLBounds(Geometry geom) {
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69 Coordinate[] c = geom != null ? geom.getCoordinates() : null;
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70
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71 if (c == null || c.length < 2) {
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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72 return null;
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73 }
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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parents:
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74
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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75 return "" + c[0].x + " " + c[1].y + " " + c[1].x + " " + c[0].y;
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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76 }
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parents: 1052
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77
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78
1641
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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79 public static String createOLBounds(Geometry a, Geometry b) {
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80 Coordinate[] ca = a.getCoordinates();
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81 Coordinate[] cb = b.getCoordinates();
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82
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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83 double lowerX = Double.MAX_VALUE;
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84 double lowerY = Double.MAX_VALUE;
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85 double upperX = -Double.MAX_VALUE;
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86 double upperY = -Double.MAX_VALUE;
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87
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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88 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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89 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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90 lowerY = lowerY < c.y ? lowerY : c.y;
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parents: 1164
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91
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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92 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
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93 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
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94 }
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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95
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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96 for (Coordinate c: cb) {
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parents: 1164
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97 lowerX = lowerX < c.x ? lowerX : c.x;
eb3ab28d1c21 The extent of the WSPLGEN facets are now determined by the extent of the start and end CrossSectionTrack of the WSPLGEN calculation.
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parents: 1164
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98 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
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99
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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100 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
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101 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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102 }
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 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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105 }
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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106
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107
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108 public static SimpleFeatureType buildFeatureType(
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109 String name, String srs, Class geometryType)
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parents: 1106
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110 {
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111 return buildFeatureType(name, srs, geometryType, null);
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parents: 1108
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112 }
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113
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114
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115 /**
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116 * Creates a new SimpleFeatureType using a SimpleFeatureTypeBuilder.
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117 *
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118 * @param name The name of the FeatureType.
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119 * @param srs The SRS (e.g. "EPSG:31466").
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120 * @param geometryType The geometry type's class (e.g. Polygon.class).
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121 * @param attrs Optional. An object with attribute-name/attribute-class
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122 * pairs where index 0 specifies the name as string and index 1 the type
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123 * as class.
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124 *
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125 * @return a new SimpleFeatureType.
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126 */
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127 public static SimpleFeatureType buildFeatureType(
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128 String name, String srs, Class geometryType, Object[][] attrs)
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129 {
1108
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130 try {
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131 SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
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132 CoordinateReferenceSystem crs = CRS.decode(srs);
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133
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134 builder.setName("flys");
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135 builder.setNamespaceURI("http://www.intevation.de/");
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136 builder.setCRS(crs);
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137 builder.setSRS(srs);
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138
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139 builder.add("geometry", geometryType, crs);
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140
1119
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141 if (attrs != null) {
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142 for (Object[] attr: attrs) {
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143 builder.add((String) attr[0], (Class) attr[1]);
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parents: 1108
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144 }
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parents: 1108
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145 }
faca1825818e Write additional attributes ELEVATION and KILOMETER into crosssection track shapefiles.
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146
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5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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147 return builder.buildFeatureType();
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148 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
149 catch (NoSuchAuthorityCodeException nsae) {
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150 }
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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diff changeset
151 catch (FactoryException fe) {
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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152 }
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153
5b1198c27d43 Export riveraxis and crosssections to shapefiles for WSPLGEN.
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154 return null;
1106
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155 }
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156
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157
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158 public static List<SimpleFeature> parseGeoJSON(
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159 String geojson, SimpleFeatureType ft
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parents: 1052
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160 ) {
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161 List<SimpleFeature> collection = new ArrayList<SimpleFeature>();
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162
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diff changeset
163 try {
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164 FeatureJSON fjson = new FeatureJSON();
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165 fjson.setFeatureType(ft);
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166
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parents: 1052
diff changeset
167 FeatureIterator<SimpleFeature> iterator =
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parents: 1052
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168 fjson.streamFeatureCollection(geojson);
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diff changeset
169
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parents: 1052
diff changeset
170 while (iterator.hasNext()) {
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parents: 1052
diff changeset
171 collection.add(iterator.next());
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parents: 1052
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172 }
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parents: 1052
diff changeset
173 }
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parents: 1052
diff changeset
174 catch (IOException ioe) {
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parents: 1052
diff changeset
175 // 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
176 }
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diff changeset
177
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diff changeset
178 return collection;
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diff changeset
179 }
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diff changeset
180
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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diff changeset
181
e9f66d63bdd0 Write user defined barriers into a shapefile that is placed in the Artifact's directory.
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diff changeset
182 public static boolean writeShapefile(
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parents: 1052
diff changeset
183 File shape,
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parents: 1052
diff changeset
184 SimpleFeatureType featureType,
1121
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diff changeset
185 FeatureCollection collection
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parents: 1119
diff changeset
186 ) {
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
187 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
188 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.
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parents: 1144
diff changeset
189 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
190 }
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
191
1121
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diff changeset
192 Transaction transaction = null;
1106
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diff changeset
193
1121
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diff changeset
194 try {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
195 Map<String, Serializable> params =
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diff changeset
196 new HashMap<String, Serializable>();
1106
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197
1121
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198 params.put("url", shape.toURI().toURL());
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diff changeset
199 params.put("create spatial index", Boolean.TRUE);
1106
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diff changeset
200
1121
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diff changeset
201 DataStoreFactorySpi dataStoreFactory =
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diff changeset
202 new ShapefileDataStoreFactory();
1106
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diff changeset
203
1121
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diff changeset
204 ShapefileDataStore newDataStore =
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diff changeset
205 (ShapefileDataStore)dataStoreFactory.createNewDataStore(params);
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diff changeset
206 newDataStore.createSchema(featureType);
1106
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diff changeset
207
1121
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diff changeset
208 transaction = new DefaultTransaction("create");
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diff changeset
209
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diff changeset
210 String typeName = newDataStore.getTypeNames()[0];
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diff changeset
211
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diff changeset
212 FeatureStore<SimpleFeatureType, SimpleFeature> featureStore =
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diff changeset
213 (FeatureStore<SimpleFeatureType, SimpleFeature>)
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diff changeset
214 newDataStore.getFeatureSource(typeName);
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diff changeset
215
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diff changeset
216 featureStore.setTransaction(transaction);
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diff changeset
217
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diff changeset
218 featureStore.addFeatures(collection);
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diff changeset
219 transaction.commit();
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diff changeset
220
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
221 return true;
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
222 }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
223 catch (MalformedURLException mue) {
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parents: 1119
diff changeset
224 logger.error("Unable to prepare shapefile: " + mue.getMessage());
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parents: 1119
diff changeset
225 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
226 catch (IOException ioe) {
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diff changeset
227 logger.error("Unable to write shapefile: " + ioe.getMessage());
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parents: 1119
diff changeset
228 }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
229 finally {
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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230 if (transaction != null) {
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
231 try {
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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232 logger.debug("XXX CLOSE TRANSACTION!");
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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233 transaction.close();
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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234 }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
235 catch (IOException ioe) { /* do nothing */ }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
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236 }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
237 }
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
238
66783d957201 Close open shapefile transactions properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1119
diff changeset
239 return false;
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
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240 }
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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241 }
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:
diff changeset
242 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org