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

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

All Implemented Interfaces:

Function, ScalarFunction

public class ST_PrecisionReducer
extends DeterministicScalarFunction

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_PrecisionReducer()

Method Summary

String	getJavaStaticMethod()
static com.vividsolutions.jts.geom.Geometry	precisionReducer(com.vividsolutions.jts.geom.Geometry geometry, int nbDec) Reduce the geometry precision.
static double	scaleFactorForDecimalPlaces(int decimalPlaces) Computes the scale factor for a given number of decimal places.

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_PrecisionReducer

public ST_PrecisionReducer()

Method Detail

getJavaStaticMethod

public String getJavaStaticMethod()

precisionReducer

public static com.vividsolutions.jts.geom.Geometry precisionReducer(com.vividsolutions.jts.geom.Geometry geometry,
                                                                    int nbDec)
                                                             throws SQLException

Reduce the geometry precision. Decimal_Place is the number of decimals to keep.

Parameters:

geometry -

nbDec -

Returns:

Throws:

SQLException

scaleFactorForDecimalPlaces

public static double scaleFactorForDecimalPlaces(int decimalPlaces)

Computes the scale factor for a given number of decimal places.

Parameters:

decimalPlaces -

Returns:

the scale factor