org.geotools.process.vector

Class BBOXExpandingFilterVisitor

Object

DuplicatingFilterVisitor

BBOXExpandingFilterVisitor

All Implemented Interfaces:

ExpressionVisitor, FilterVisitor

public class BBOXExpandingFilterVisitor
extends DuplicatingFilterVisitor

A DuplicatingFilterVisitor which expands the BBOX of the filter by given distances for each box edge.

Author:

Martin Davis - OpenGeo

Field Summary

Fields inherited from class DuplicatingFilterVisitor

ff

Constructor Summary

Constructors

Constructor and Description
BBOXExpandingFilterVisitor(double expandMinX, double expandMaxX, double expandMinY, double expandMaxY) Creates a new expanding filter.

Method Summary

Modifier and Type	Method and Description
Object	visit(BBOX filter, Object extraData) Expands the BBOX in the Filter.

Methods inherited from class DuplicatingFilterVisitor

getFactory, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitNullFilter

Methods inherited from class Object

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

Constructor Detail

BBOXExpandingFilterVisitor

public BBOXExpandingFilterVisitor(double expandMinX,
                                  double expandMaxX,
                                  double expandMinY,
                                  double expandMaxY)

Creates a new expanding filter.

Parameters:

expandMinX - the distance to expand the box X dimension leftwards

expandMaxX - the distance to expand the box X dimension rightwards

expandMinY - the distance to expand the box Y dimension downwards

expandMaxY - the distance to expand the box Y dimension upwards

Method Detail

visit

public Object visit(BBOX filter,
                    Object extraData)

Expands the BBOX in the Filter.

Specified by:

visit in interface FilterVisitor

Overrides:

visit in class DuplicatingFilterVisitor