org.h2gis.h2spatialext.function.spatial.processing
Class ST_LineIntersector

java.lang.Object
  org.h2gis.h2spatialapi.AbstractFunction
      org.h2gis.h2spatialapi.DeterministicScalarFunction
          org.h2gis.h2spatialext.function.spatial.processing.ST_LineIntersector

All Implemented Interfaces:

Function, ScalarFunction

public class ST_LineIntersector
extends DeterministicScalarFunction

LineIntersector is used to split an input geometry (LineString or MultiLineString) by a set of geometries.

Author:

Erwan Bocher

Field Summary

Fields inherited from interface org.h2gis.h2spatialapi.ScalarFunction

PROP_DETERMINISTIC, PROP_NOBUFFER

Fields inherited from interface org.h2gis.h2spatialapi.Function

PROP_NAME, PROP_REMARKS

Constructor Summary

ST_LineIntersector()

Method Summary

static void	addGeometryToSegments(com.vividsolutions.jts.geom.Geometry geometry, int flag, ArrayList<com.vividsolutions.jts.noding.SegmentString> segments) Convert the a geometry as a list of segments and mark it with a flag
String	getJavaStaticMethod()
static ArrayList<com.vividsolutions.jts.noding.SegmentString>	getSegments(com.vividsolutions.jts.geom.Geometry inputLines, com.vividsolutions.jts.geom.Geometry clipper) Convert the input geometries as a list of segments and mark them with a flag to identify input and output geometries.
static com.vividsolutions.jts.geom.Geometry	lineIntersector(com.vividsolutions.jts.geom.Geometry inputLines, com.vividsolutions.jts.geom.Geometry clipper) Split a lineal geometry by a another geometry

Methods inherited from class org.h2gis.h2spatialapi.AbstractFunction

addProperty, getProperty, removeProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2gis.h2spatialapi.Function

getProperty

Constructor Detail

ST_LineIntersector

public ST_LineIntersector()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

lineIntersector

public static com.vividsolutions.jts.geom.Geometry lineIntersector(com.vividsolutions.jts.geom.Geometry inputLines,
                                                                   com.vividsolutions.jts.geom.Geometry clipper)
                                                            throws IllegalArgumentException

Split a lineal geometry by a another geometry

Parameters:

inputLines -

clipper -

Returns:

Throws:

IllegalArgumentException

getSegments

public static ArrayList<com.vividsolutions.jts.noding.SegmentString> getSegments(com.vividsolutions.jts.geom.Geometry inputLines,
                                                                                 com.vividsolutions.jts.geom.Geometry clipper)

Convert the input geometries as a list of segments and mark them with a flag to identify input and output geometries.

Parameters:

inputLines -

clipper -

Returns:

addGeometryToSegments

public static void addGeometryToSegments(com.vividsolutions.jts.geom.Geometry geometry,
                                         int flag,
                                         ArrayList<com.vividsolutions.jts.noding.SegmentString> segments)

Convert the a geometry as a list of segments and mark it with a flag

Parameters:

geometry -

flag -

segments -