Mercurial > dive4elements > river
changeset 3301:c8f670ae96e8
Create extent of a map layer in the correct coordinate reference system.
flys-artifacts/trunk@4986 c6561f87-3c4e-4783-a992-168aeb5c3f6f
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--- a/flys-artifacts/ChangeLog Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/ChangeLog Fri Jul 13 10:25:24 2012 +0000 @@ -1,3 +1,26 @@ +2012-07-13 Ingo Weinzierl <ingo@intevation.de> + + * src/main/java/de/intevation/flys/utils/GeometryUtils.java: Added new + functions to reproject an Envelope from one CoordinateReferenceSystem to + antoher. + + * src/main/java/de/intevation/flys/artifacts/WMSQPSArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSFixpointsArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSFloodmapsArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSHwsArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSCatchmentArtifact.java, + src/main/java/de/intevation/flys/artifacts/states/WMSBackgroundState.java, + src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryPolyArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSBuildingsArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java, + src/main/java/de/intevation/flys/artifacts/RiverAxisArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSLineArtifact.java, + src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.java: + The getExtent() method will now return the extent of the layer in the + coordinate reference system that is configured for the specific river. + 2012-07-13 Ingo Weinzierl <ingo@intevation.de> * src/main/java/de/intevation/flys/artifacts/model/WMSLayerFacet.java,
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/RiverAxisArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/RiverAxisArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -121,7 +121,9 @@ @Override protected Envelope getExtent() { River river = RiverFactory.getRiver(getRiverId()); - return GeometryUtils.getRiverBoundary(river.getName()); + return GeometryUtils.transform( + GeometryUtils.getRiverBoundary(river.getName()), + getSrid()); } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSBuildingsArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSBuildingsArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSBuildingsArtifact extends WMSDBArtifact { @@ -116,8 +117,10 @@ max.expandToInclude(env); } - - return max; + + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSCatchmentArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSCatchmentArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSCatchmentArtifact extends WMSDBArtifact { @@ -132,8 +133,10 @@ max.expandToInclude(env); } - - return max; + + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFixpointsArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFixpointsArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSFixpointsArtifact extends WMSDBArtifact { @@ -115,8 +116,10 @@ max.expandToInclude(env); } - - return max; + + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodmapsArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodmapsArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSFloodmapsArtifact extends WMSDBArtifact { @@ -117,7 +118,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSFloodplainArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSFloodplainArtifact extends WMSDBArtifact { @@ -122,7 +123,10 @@ protected Envelope getExtent() { River river = getRiver(); Floodplain plain = Floodplain.getFloodplain(river.getName()); - return plain.getGeom().getEnvelopeInternal(); + + return GeometryUtils.transform( + plain.getGeom().getEnvelopeInternal(), + getSrid()); } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSGaugeLocationArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -23,6 +23,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSGaugeLocationArtifact extends WMSDBArtifact { @@ -119,7 +120,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHwsArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHwsArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSHwsArtifact extends WMSDBArtifact { @@ -132,7 +133,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSHydrBoundaryArtifact extends WMSDBArtifact { @@ -117,7 +118,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryPolyArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryPolyArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSHydrBoundaryPolyArtifact extends WMSDBArtifact { @@ -117,7 +118,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSKmArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -23,6 +23,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSKmArtifact extends WMSDBArtifact { @@ -133,7 +134,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSLineArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSLineArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSLineArtifact extends WMSDBArtifact { @@ -132,7 +133,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSQPSArtifact.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSQPSArtifact.java Fri Jul 13 10:25:24 2012 +0000 @@ -21,6 +21,7 @@ import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.utils.FLYSUtils; +import de.intevation.flys.utils.GeometryUtils; public class WMSQPSArtifact extends WMSDBArtifact { @@ -134,7 +135,9 @@ max.expandToInclude(env); } - return max; + return max != null + ? GeometryUtils.transform(max, getSrid()) + : max; } @Override
--- a/flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java Fri Jul 13 10:19:23 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java Fri Jul 13 10:25:24 2012 +0000 @@ -28,6 +28,7 @@ import org.geotools.feature.simple.SimpleFeatureTypeBuilder; import org.geotools.geojson.feature.FeatureJSON; import org.geotools.geometry.jts.JTS; +import org.geotools.geometry.jts.ReferencedEnvelope; import org.geotools.referencing.CRS; import org.opengis.feature.simple.SimpleFeature; import org.opengis.feature.simple.SimpleFeatureType; @@ -37,18 +38,17 @@ import org.opengis.referencing.operation.MathTransform; import org.opengis.referencing.operation.TransformException; - public class GeometryUtils { private static final Logger logger = Logger.getLogger(GeometryUtils.class); + public static final String PREFIX_EPSG = "EPSG:"; + public static final String DEFAULT_EPSG = "EPSG:31467"; - private GeometryUtils() { } - public static Envelope getRiverBoundary(String rivername) { List<RiverAxis> axes = RiverAxis.getRiverAxis(rivername); if (axes != null && axes.size() > 0) { @@ -73,7 +73,6 @@ return null; } - public static String getRiverBounds(String rivername) { Envelope env = getRiverBoundary(rivername); @@ -84,10 +83,8 @@ return null; } - /** - * Returns the boundary of Envelope <i>env</i> in OpenLayers - * representation. + * Returns the boundary of Envelope <i>env</i> in OpenLayers representation. * * @param env The envelope of a geometry. * @@ -101,7 +98,6 @@ env.getMaxY(); } - public static String createOLBounds(Geometry a, Geometry b) { Coordinate[] ca = a.getCoordinates(); Coordinate[] cb = b.getCoordinates(); @@ -130,29 +126,26 @@ return "" + lowerX + " " + lowerY + " " + upperX + " " + upperY; } - public static SimpleFeatureType buildFeatureType( String name, String srs, Class<?> geometryType) { return buildFeatureType(name, srs, geometryType, null); } - /** * Creates a new SimpleFeatureType using a SimpleFeatureTypeBuilder. * * @param name The name of the FeatureType. * @param srs The SRS (e.g. "EPSG:31466"). * @param geometryType The geometry type's class (e.g. Polygon.class). - * @param attrs Optional. An object with attribute-name/attribute-class - * pairs where index 0 specifies the name as string and index 1 the type - * as class. + * @param attrs Optional. An object with attribute-name/attribute-class pairs + * where index 0 specifies the name as string and index 1 the + * ype as class. * * @return a new SimpleFeatureType. */ - public static SimpleFeatureType buildFeatureType( - String name, String srs, Class<?> geometryType, Object[][] attrs) - { + public static SimpleFeatureType buildFeatureType(String name, String srs, + Class<?> geometryType, Object[][] attrs) { try { SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder(); CoordinateReferenceSystem crs = CRS.decode(srs); @@ -180,7 +173,6 @@ return null; } - public static List<SimpleFeature> parseGeoJSON( String geojson, SimpleFeatureType ft ) { @@ -205,22 +197,101 @@ } - public static boolean writeShapefile( - File shape, - SimpleFeatureType featureType, - FeatureCollection collection + /** + * This method returns the {@link CoordinateReferenceSystem} by the + * {@link String} <i>epsg</i>. + * + * @param epsg An EPSG code like <b>EPSG:31466</b> + * + * @return the {@link CoordinateReferenceSystem} specified by <i>epsg</i>. + */ + public static CoordinateReferenceSystem getCoordinateReferenceSystem( + String epsg ) { - return writeShapefile( - shape, featureType, collection, featureType.getCoordinateReferenceSystem()); + if (epsg == null) { + logger.warn("cannot create CoordinateReferenceSystem with null"); + return null; + } + + if (!epsg.startsWith(PREFIX_EPSG)) { + epsg = PREFIX_EPSG + epsg; + } + + try { + return CRS.decode(epsg); + } + catch (FactoryException fe) { + logger.error( + "unable to get CoordinateReferenceSystem for: " + epsg, + fe); + } + + return null; } - public static boolean writeShapefile( - File shape, - SimpleFeatureType featureType, - FeatureCollection collection, - CoordinateReferenceSystem crs + public static Envelope transform(Envelope orig, String targetSrs) { + return transform(orig, targetSrs, DEFAULT_EPSG); + } + + + public static Envelope transform( + Envelope orig, + String targetSrs, + String origSrs ) { + if (targetSrs == null || orig == null || origSrs == null) { + logger.warn("unable to transform envelope: empty parameters"); + return orig; + } + + logger.debug("Transform envlope to '" + targetSrs + "'"); + try { + CoordinateReferenceSystem sourceCRS = + getCoordinateReferenceSystem(origSrs); + + CoordinateReferenceSystem targetCRS = + getCoordinateReferenceSystem(targetSrs); + + if (sourceCRS != null && targetCRS != null) { + ReferencedEnvelope tmpEnv = + new ReferencedEnvelope(orig, CRS.decode(origSrs)); + + Envelope target = tmpEnv.transform(targetCRS, false); + + if (logger.isDebugEnabled()) { + logger.debug(" orig envelope : " + orig); + logger.debug(" transformed envelope: " + target); + } + + return target; + } + } + catch (NoSuchAuthorityCodeException nsae) { + logger.error("Cannot get CoordinateReferenceSystem!", nsae); + } + catch (FactoryException fe) { + logger.error("Cannot get CoordinateReferenceSystem!", fe); + } + catch (TransformException te) { + logger.error("Cannot transform envelope from source " + + origSrs + " to target srs " + targetSrs); + } + + return null; + } + + + public static boolean writeShapefile(File shape, + SimpleFeatureType featureType, FeatureCollection collection) { + return writeShapefile(shape, featureType, collection, + featureType.getCoordinateReferenceSystem()); + } + + + public static boolean writeShapefile(File shape, + SimpleFeatureType featureType, FeatureCollection collection, + CoordinateReferenceSystem crs) { if (collection.isEmpty()) { logger.warn("Shapefile is not written - no features given!"); return false;