From b2266f45098da16496fae72adbcfd877b385ee91 Mon Sep 17 00:00:00 2001
From: luoxiao <luoxiao@supermap.com>
Date: Fri, 10 Jan 2025 17:41:35 +0800
Subject: [PATCH] =?UTF-8?q?[fix]webmap=E5=8E=9F=E7=82=B9=E5=AF=B9=E6=AF=94?=
 =?UTF-8?q?=E5=88=86=E8=BE=A8=E7=8E=87=E5=AF=B9=E6=AF=94=E5=B0=8F=E6=95=B0?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/common/mapping/WebMapV2.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/common/mapping/WebMapV2.js b/src/common/mapping/WebMapV2.js
index 883834547..808c3c045 100644
--- a/src/common/mapping/WebMapV2.js
+++ b/src/common/mapping/WebMapV2.js
@@ -705,14 +705,17 @@ export function createWebMapV2Extending(SuperClass, { MapManager, mapRepo, crsMa
       }
       return this._isSameOrigin(origin) && this._isSameResolutions(resolutions, tileSize);
     }
+    numberEqual(num1, num2, precision = 10E-6) {
+      return Math.abs(+num1 - +num2) <= precision;
+    }
     _isSameOrigin(origin) {
       const extent = this.map.getCRS().getExtent();
-      return origin[0].toFixed(2) === extent[0].toFixed(2) && origin[1].toFixed(2) === extent[3].toFixed(2);
+      return this.numberEqual(origin[0], extent[0]) && this.numberEqual(origin[1], extent[3]);
     }
     _isSameResolutions(resolutions, tileSize, mapTileSize = 512) {
       const mapResolutions = this._getMapResolutions();
       const conversion = mapTileSize / tileSize;
-      return resolutions.every((item, i) => (item).toFixed(6) === (conversion * mapResolutions[i]).toFixed(6));
+      return resolutions.every((item, i) => this.numberEqual(item, conversion * mapResolutions[i]));
     }
     _getMapResolutions() {
       return this._getResolutionsByExtent({extent: this.map.getCRS().getExtent(), tileSize: 512})