?? matchparameters.java
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/* * RESTRICTED RIGHTS LEGEND * * BBNT Solutions LLC * A Verizon Company * 10 Moulton Street * Cambridge, MA 02138 * (617) 873-3000 * * Copyright BBNT Solutions LLC 2001, 2002 All Rights Reserved * */package com.bbn.openmap.geo;/** * The terms that describe how matches between Geo objects are to be * performed. */public interface MatchParameters { /** * return the horizontal deviation (range) to consider matching. * The value is in radians. 0.0 implies strict intersection. Note * that if a RegionIndex is being used, then this value probably * must be no larger than the index's margin to avoid missing * regions that are near index boundaries. */ double horizontalRange(); public class Standard implements MatchParameters { double hr; public Standard(double hr) { this.hr = hr; } public double horizontalRange() { return hr; } } /** * A set of parameters that matches radius of 10 nmiles. */ MatchParameters ROUTE_DEFAULT = new Standard(Geo.nmToAngle(10)); /** * A set of parameters for strict intersections, 0 nmiles. */ MatchParameters STRICT = new Standard(0.0);}
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