Package eu.europa.ec.eurostat.jgiscotools.feature

Class FeatureUtil

java.lang.Object

eu.europa.ec.eurostat.jgiscotools.feature.FeatureUtil

public class FeatureUtil
extends Object

Author:

julien Gaffuri

Constructor Summary

Constructors

Constructor	Description
FeatureUtil()

Method Summary

Modifier and Type	Method	Description
static <T extends Feature> HashMap<String,Integer>	checkIdentfier(Collection<T> fs, String idAtt)
static ArrayList<Feature>	clip(Collection<Feature> fs, org.locationtech.jts.geom.Envelope env)
static Feature	copy(Feature f)
static Collection<Feature>	dissolve(Collection<Feature> fs, String propName)
static void	dissolveById(Collection<Feature> fs)
static void	ensureGeometryNotAGeometryCollection(Feature f)
static void	ensureGeometryNotAGeometryCollection(Collection<Feature> fs)
static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry>	featuresToGeometries(Collection<T> fs)
static Collection<Feature>	filterFeaturesWithNonEmptyGeometries(Collection<Feature> fs)
static <T extends org.locationtech.jts.geom.Geometry> HashSet<Feature>	geometriesToFeatures(Collection<T> geoms)
static Set<String>	getAttributesSet(Feature... fs)
static <T extends Feature> org.locationtech.jts.geom.Envelope	getEnvelope(Collection<T> features)
static <T extends Feature> org.locationtech.jts.geom.Envelope	getEnvelope(Collection<T> features, double enlargementFactor)
static <T extends Feature> ArrayList<Feature>	getFeaturesWithSimpleGeometrie(Collection<T> in)
static <T extends Feature> ArrayList<Feature>	getFeaturesWithSimpleGeometrie(T f)
static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry>	getGeometries(Collection<T> fs)
static <T extends Feature> Collection<org.locationtech.jts.geom.LineString>	getGeometriesLS(ArrayList<T> fs)
static <T extends Feature> Collection<org.locationtech.jts.geom.MultiLineString>	getGeometriesMLS(ArrayList<T> fs)
static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry>	getGeometriesSimple(Collection<T> fs)
static <T extends Feature> Collection<String>	getIdValues(Collection<T> fs, String idAtt)
static <T extends Feature> ArrayList<Map<String,Object>>	getInfoSmallPolygons(Collection<T> fs, double areaThreshold)
static Set<String>	getPropValues(Collection<Feature> fs, String propKey)
static List<String>	getPropValuesAsList(Collection<Feature> fs, String propKey)
static <T extends Feature> org.locationtech.jts.index.quadtree.Quadtree	getQuadtree(Collection<T> fs)
static <T extends Feature> org.locationtech.jts.index.strtree.STRtree	getSTRtree(Collection<T> fs)
static <T extends Feature> org.locationtech.jts.index.strtree.STRtree	getSTRtreeCoordinates(Collection<T> fs)
static <T extends Feature> int	getVerticesNumber(Collection<T> fs)
static <T extends Feature> HashMap<String,T>	index(Collection<T> fs, String indexKey)
static void	setId(ArrayList<Feature> fs, String idAtt)
static Collection<Feature>	toFeatures(ArrayList<Map<String,String>> ps)
static Collection<Feature>	toFeatures(Collection<Map<String,Object>> ps)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FeatureUtil

public FeatureUtil()

Method Detail

getSTRtree

public static <T extends Feature> org.locationtech.jts.index.strtree.STRtree getSTRtree(Collection<T> fs)

getQuadtree

public static <T extends Feature> org.locationtech.jts.index.quadtree.Quadtree getQuadtree(Collection<T> fs)

getSTRtreeCoordinates

public static <T extends Feature> org.locationtech.jts.index.strtree.STRtree getSTRtreeCoordinates(Collection<T> fs)

getEnvelope

public static <T extends Feature> org.locationtech.jts.geom.Envelope getEnvelope(Collection<T> features)

getEnvelope

public static <T extends Feature> org.locationtech.jts.geom.Envelope getEnvelope(Collection<T> features,
                                                                                 double enlargementFactor)

setId

public static void setId(ArrayList<Feature> fs,
                         String idAtt)

getIdValues

public static <T extends Feature> Collection<String> getIdValues(Collection<T> fs,
                                                                 String idAtt)

checkIdentfier

public static <T extends Feature> HashMap<String,Integer> checkIdentfier(Collection<T> fs,
                                                                               String idAtt)

getVerticesNumber

public static <T extends Feature> int getVerticesNumber(Collection<T> fs)

getInfoSmallPolygons

public static <T extends Feature> ArrayList<Map<String,Object>> getInfoSmallPolygons(Collection<T> fs,
                                                                                           double areaThreshold)

getGeometries

public static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry> getGeometries(Collection<T> fs)

getGeometriesSimple

public static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry> getGeometriesSimple(Collection<T> fs)

getGeometriesMLS

public static <T extends Feature> Collection<org.locationtech.jts.geom.MultiLineString> getGeometriesMLS(ArrayList<T> fs)

getGeometriesLS

public static <T extends Feature> Collection<org.locationtech.jts.geom.LineString> getGeometriesLS(ArrayList<T> fs)

dissolveById

public static void dissolveById(Collection<Feature> fs)

dissolve

public static Collection<Feature> dissolve(Collection<Feature> fs,
                                           String propName)

toFeatures

public static Collection<Feature> toFeatures(Collection<Map<String,Object>> ps)

toFeatures

public static Collection<Feature> toFeatures(ArrayList<Map<String,String>> ps)

getPropValues

public static Set<String> getPropValues(Collection<Feature> fs,
                                        String propKey)

getPropValuesAsList

public static List<String> getPropValuesAsList(Collection<Feature> fs,
                                               String propKey)

index

public static <T extends Feature> HashMap<String,T> index(Collection<T> fs,
                                                                String indexKey)

getAttributesSet

public static Set<String> getAttributesSet(Feature... fs)

filterFeaturesWithNonEmptyGeometries

public static Collection<Feature> filterFeaturesWithNonEmptyGeometries(Collection<Feature> fs)

getFeaturesWithSimpleGeometrie

public static <T extends Feature> ArrayList<Feature> getFeaturesWithSimpleGeometrie(Collection<T> in)

getFeaturesWithSimpleGeometrie

public static <T extends Feature> ArrayList<Feature> getFeaturesWithSimpleGeometrie(T f)

ensureGeometryNotAGeometryCollection

public static void ensureGeometryNotAGeometryCollection(Collection<Feature> fs)

ensureGeometryNotAGeometryCollection

public static void ensureGeometryNotAGeometryCollection(Feature f)

clip

public static ArrayList<Feature> clip(Collection<Feature> fs,
                                      org.locationtech.jts.geom.Envelope env)

featuresToGeometries

public static <T extends Feature> Collection<org.locationtech.jts.geom.Geometry> featuresToGeometries(Collection<T> fs)

geometriesToFeatures

public static <T extends org.locationtech.jts.geom.Geometry> HashSet<Feature> geometriesToFeatures(Collection<T> geoms)

copy

public static Feature copy(Feature f)