org.h2gis.h2spatialext.function.spatial.create
Class ST_MakeGrid

java.lang.Object
  org.h2gis.h2spatialapi.AbstractFunction
      org.h2gis.h2spatialext.function.spatial.create.ST_MakeGrid

All Implemented Interfaces:

Function, ScalarFunction

public class ST_MakeGrid
extends AbstractFunction
implements ScalarFunction

Create a regular grid based on a table or a geometry envelope. The geometry envelope could be expressed using a subquery as (SELECT the_geom from myTable)

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_MakeGrid()

Method Summary

static ResultSet	createGrid(Connection connection, org.h2.value.Value value, double deltaX, double deltaY) Create a regular grid using the first input argument to compute the full extent.
String	getJavaStaticMethod()

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_MakeGrid

public ST_MakeGrid()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

Specified by:

getJavaStaticMethod in interface ScalarFunction

createGrid

public static ResultSet createGrid(Connection connection,
                                   org.h2.value.Value value,
                                   double deltaX,
                                   double deltaY)
                            throws SQLException

Create a regular grid using the first input argument to compute the full extent.

Parameters:

connection -

value - could be the name of a table or a geometry.

deltaX - the X cell size

deltaY - the Y cell size

Returns:

a resultset that contains all cells as a set of polygons

Throws:

SQLException