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修正20037508不不准确的问题

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大黄蜂coder 2022-12-26 17:08:36 +08:00 committed by GitHub
parent bc306e56de
commit 1950b783ab
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1 changed files with 4 additions and 4 deletions
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hutool-core/src/main/java/cn/hutool/core/util/CoordinateUtil.java
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@ -141,9 +141,9 @@ public class CoordinateUtil {
* @return 墨卡托投影 * @return 墨卡托投影
*/ */
public static Coordinate wgs84ToMercator(double lng, double lat) { public static Coordinate wgs84ToMercator(double lng, double lat) {
double x = lng * 20037508.342789 / 180; double x = lng * 20037508.342789244 / 180;
double y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180); double y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180);
y = y * 20037508.34789 / 180; y = y * 20037508.342789244 / 180;
return new Coordinate(x, y); return new Coordinate(x, y);
} }
@ -155,8 +155,8 @@ public class CoordinateUtil {
* @return WGS84 坐标 * @return WGS84 坐标
*/ */
public static Coordinate mercatorToWgs84(double mercatorX, double mercatorY) { public static Coordinate mercatorToWgs84(double mercatorX, double mercatorY) {
double x = mercatorX / 20037508.34 * 180; double x = mercatorX / 20037508.342789244 * 180;
double y = mercatorY / 20037508.34 * 180; double y = mercatorY / 20037508.342789244 * 180;
y = 180 / Math.PI * (2 * Math.atan(Math.exp(y * Math.PI / 180)) - Math.PI / 2); y = 180 / Math.PI * (2 * Math.atan(Math.exp(y * Math.PI / 180)) - Math.PI / 2);
return new Coordinate(x, y); return new Coordinate(x, y);
} }