/******************************************************************************* * Copyright (c) 2015 Voyager Search and MITRE * All rights reserved. This program and the accompanying materials * are made available under the terms of the Apache License, Version 2.0 which * accompanies this distribution and is available at * http://www.apache.org/licenses/LICENSE-2.0.txt ******************************************************************************/ package org.locationtech.spatial4j.shape; /** * A circle, also known as a point-radius since that is what it is comprised of. */ public interface Circle extends Shape { /** * Expert: Resets the state of this shape given the arguments. This is a * performance feature to avoid excessive Shape object allocation as well as * some argument error checking. Mutable shapes is error-prone so use with * care. */ void reset(double x, double y, double radiusDEG); /** * The distance from the point's center to its edge, measured in the same * units as x & y (e.g. degrees if WGS84). */ double getRadius(); }