package com.ld.igds.protocol.bhzn.utils;
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import lombok.extern.slf4j.Slf4j;
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/**
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* 风向转换工具类
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* @author 我是有多懒
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* @since 2022-05-31
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*/
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@Slf4j
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public class WindDirectionUtil {
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//风向描述类型一
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private static final String[] directArrOne = new String[]{
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"北", "东北偏北", "东北", "东北偏东",
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"东", "东南偏东", "东南", "东南偏南",
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"南", "西南偏南", "西南", "西南偏西",
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"西", "西北偏西", "西北", "西北偏北"};
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//风向描述类型二
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private static final String[] directArrTwo = new String[]{
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"北", "北东北", "东北", "东东北",
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"东", "东东南", "东南", "南东南",
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"南", "南西南", "西南", "西西南",
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"西", "西西北", "西北", "北西北"};
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/**
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* 风向角度转具体风向
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* @param degrees 风向角度 0 <= degrees <= 360
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* @return 具体风向
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*/
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public static String windDirectionSwitch(float degrees) {
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int index = 0;
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if (348.75 <= degrees && degrees <= 360) {
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index = 0;
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} else if (0 <= degrees && degrees <= 11.25) {
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index = 0;
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} else if (11.25 < degrees && degrees <= 33.75) {
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index = 1;
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} else if (33.75 < degrees && degrees <= 56.25) {
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index = 2;
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} else if (56.25 < degrees && degrees <= 78.75) {
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index = 3;
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} else if (78.75 < degrees && degrees <= 101.25) {
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index = 4;
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} else if (101.25 < degrees && degrees <= 123.75) {
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index = 5;
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} else if (123.75 < degrees && degrees <= 146.25) {
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index = 6;
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} else if (146.25 < degrees && degrees <= 168.75) {
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index = 7;
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} else if (168.75 < degrees && degrees <= 191.25) {
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index = 8;
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} else if (191.25 < degrees && degrees <= 213.75) {
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index = 9;
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} else if (213.75 < degrees && degrees <= 236.25) {
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index = 10;
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} else if (236.25 < degrees && degrees <= 258.75) {
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index = 11;
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} else if (258.75 < degrees && degrees <= 281.25) {
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index = 12;
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} else if (281.25 < degrees && degrees <= 303.75) {
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index = 13;
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} else if (303.75 < degrees && degrees <= 326.25) {
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index = 14;
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} else if (326.25 < degrees && degrees < 348.75) {
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index = 15;
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} else {
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log.error("风向角度[{}] 大于 360", degrees);
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}
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return directArrOne[index];
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}
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}
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