org.apache.calcite.sql.fun

Class SqlGeoFunctions

java.lang.Object

org.apache.calcite.sql.fun.SqlGeoFunctions

public class SqlGeoFunctions
extends Object

Utilities for Geo/Spatial functions.

Includes some table functions, and may in future include other functions that have dependencies beyond the org.apache.calcite.runtime package.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SqlGeoFunctions.GridTable Returns the points or rectangles in a grid that covers a given geometry.

Method Summary

Modifier and Type	Method and Description
static ScannableTable	ST_MakeGrid(Geometries.Geom geom, BigDecimal deltaX, BigDecimal deltaY) Calculates a regular grid of polygons based on geom.
static ScannableTable	ST_MakeGridPoints(Geometries.Geom geom, BigDecimal deltaX, BigDecimal deltaY) Calculates a regular grid of points based on geom.

Methods inherited from class java.lang.Object

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

Method Detail

ST_MakeGrid

public static ScannableTable ST_MakeGrid(Geometries.Geom geom,
                                         BigDecimal deltaX,
                                         BigDecimal deltaY)

Calculates a regular grid of polygons based on geom.

See Also:

ST_MakeGrid

ST_MakeGridPoints

public static ScannableTable ST_MakeGridPoints(Geometries.Geom geom,
                                               BigDecimal deltaX,
                                               BigDecimal deltaY)

Calculates a regular grid of points based on geom.

See Also:

ST_MakeGridPoints