Package org.h2gis.functions.spatial.properties

Class ST_PointN

java.lang.Object
org.h2gis.api.AbstractFunction
org.h2gis.api.DeterministicScalarFunction
org.h2gis.functions.spatial.properties.ST_PointN
All Implemented Interfaces:
org.h2gis.api.Function, org.h2gis.api.ScalarFunction
public class ST_PointN extends org.h2gis.api.DeterministicScalarFunction
Returns the nth point of a LINESTRING or a MULTILINESTRING containing exactly one LINESTRING; NULL otherwise. As the OGC specifies, ST_PointN is 1-N based.
Author:
Nicolas Fortin

  • Field Summary

    Fields inherited from interface org.h2gis.api.Function

    PROP_NAME, PROP_REMARKS

    Fields inherited from interface org.h2gis.api.ScalarFunction

    PROP_DETERMINISTIC

  • Constructor Summary

    Constructors
    Constructor
    Description
    ST_PointN()
    Default constructor

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getJavaStaticMethod()
     
    static org.locationtech.jts.geom.Geometry
    getPointN(org.locationtech.jts.geom.Geometry geometry, int pointIndex)
     

    Methods inherited from class org.h2gis.api.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.api.Function

    getProperty

  • Constructor Details

    • ST_PointN

      public ST_PointN()
      Default constructor

  • Method Details

    • getJavaStaticMethod

      public String getJavaStaticMethod()

    • getPointN

      public static org.locationtech.jts.geom.Geometry getPointN(org.locationtech.jts.geom.Geometry geometry, int pointIndex) throws SQLException
      Parameters:
      geometry - Geometry instance
      pointIndex - Point index [1-NbPoints]
      Returns:
      Returns the nth point of a LINESTRING or a MULTILINESTRING containing exactly one LINESTRING; NULL otherwise. As the OGC specifies, ST_PointN is 1-N based.
      Throws:
      SQLException - if index is out of bound.