java 风的角度转风向

╰+攻爆jí腚メ 2022-10-29 01:46 61阅读 0赞

private String[] directArr = new String[] {  "北", "东北偏北", "东北", "东北偏东", "东", "东南偏东", "东南", "东南偏南", "南",
                "西南偏南", "西南", "西南偏西", "西", "西北偏西", "西北", "西北偏北" };
    
        /** * 风的角度 转 风向 * @param degrees * @return */
        public  String windAngleToWindDirection(Double degrees) { 
            int index = 0;
            if (348.75 <= degrees && degrees <= 360) { 
                index = 0;
            } else if (0 <= degrees && degrees <= 11.25) { 
                index = 0;
            } else if (11.25 < degrees && degrees <= 33.75) { 
                index = 1;
            } else if (33.75 < degrees && degrees <= 56.25) { 
                index = 2;
            } else if (56.25 < degrees && degrees <= 78.75) { 
                index = 3;
            } else if (78.75 < degrees && degrees <= 101.25) { 
                index = 4;
            } else if (101.25 < degrees && degrees <= 123.75) { 
                index = 5;
            } else if (123.75 < degrees && degrees <= 146.25) { 
                index = 6;
            } else if (146.25 < degrees && degrees <= 168.75) { 
                index = 7;
            } else if (168.75 < degrees && degrees <= 191.25) { 
                index = 8;
            } else if (191.25 < degrees && degrees <= 213.75) { 
                index = 9;
            } else if (213.75 < degrees && degrees <= 236.25) { 
                index = 10;
            } else if (236.25 < degrees && degrees <= 258.75) { 
                index = 11;
            } else if (258.75 < degrees && degrees <= 281.25) { 
                index = 12;
            } else if (281.25 < degrees && degrees <= 303.75) { 
                index = 13;
            } else if (303.75 < degrees && degrees <= 326.25) { 
                index = 14;
            } else if (326.25 < degrees && degrees < 348.75) { 
                index = 15;
            } else { 
                _logger.error("degrees[{}] 大于 360.0了");
            }
            return directArr[index];
        }