/******************************************************************************* * Copyright (c) 2015 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.context.jts; /** * Indicates the algorithm used to process JTS Polygons and JTS LineStrings for detecting dateline * crossings. It only applies when geo=true. */ public enum DatelineRule { /** No polygon will cross the dateline. */ none, /** * Adjacent points with an x (longitude) difference that spans more than half way around the * globe will be interpreted as going the other (shorter) way, and thus cross the dateline. */ width180, // TODO is there a better name that doesn't have '180' in it? /** * For rectangular polygons, the point order is interpreted as being counter-clockwise (CCW). * However, non-rectangular polygons or other shapes aren't processed this way; they use the * {@link #width180} rule instead. The CCW rule is specified by OGC Simple Features * Specification v. 1.2.0 section 6.1.11.1. */ ccwRect }