From 5fc6e09508182701f31f017453b5c116adf40f7f Mon Sep 17 00:00:00 2001
From: wangjuncheng <1>
Date: 星期四, 17 四月 2025 10:44:30 +0800
Subject: [PATCH] change
---
src/utils/wktUtils.js | 35 ++++++++++++++++++++---------------
1 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/src/utils/wktUtils.js b/src/utils/wktUtils.js
index e1c19b7..55cc6be 100644
--- a/src/utils/wktUtils.js
+++ b/src/utils/wktUtils.js
@@ -1,26 +1,31 @@
/**
- * 灏嗘櫘閫氱粡绾害鏁扮粍杞崲涓烘爣鍑嗙殑 MULTIPOLYGON WKT 鏍煎紡
- * @param {Array<Array<number>>} coordinates - 缁忕含搴︽暟缁勶紝姣忎釜鍏冪礌鏄竴涓� [缁忓害, 绾害] 鐨勭偣
+ * 灏嗗涓杈瑰舰鐨勭粡绾害鏁扮粍杞崲涓烘爣鍑嗙殑 MULTIPOLYGON WKT 鏍煎紡
+ * @param {Array<Array<Array<number>>>} multiPolygonCoordinates - 澶氫釜澶氳竟褰㈢殑鍧愭爣鏁扮粍
* @returns {string} 鏍囧噯鍖栫殑 WKT 鏍煎紡瀛楃涓�
*/
-export function convertToWKT(coordinates) {
+export function convertToWKT(multiPolygonCoordinates) {
// 妫�鏌ヨ緭鍏ユ槸鍚︿负闈炵┖鏁扮粍
- if (!Array.isArray(coordinates) || coordinates.length === 0) {
- throw new Error("Invalid input: 'coordinates' must be a non-empty array of [longitude, latitude] points.");
+ if (!Array.isArray(multiPolygonCoordinates) || multiPolygonCoordinates.length === 0) {
+ throw new Error("Invalid input: 'multiPolygonCoordinates' must be a non-empty array of polygons.");
}
- // 妫�鏌ユ瘡涓偣鏄惁鏄湁鏁堢殑 [缁忓害, 绾害] 鏁扮粍
- for (const point of coordinates) {
- if (!Array.isArray(point) || point.length !== 2 || typeof point[0] !== "number" || typeof point[1] !== "number") {
- throw new Error("Invalid input: Each coordinate must be an array of two numbers [longitude, latitude].");
+ // 杞崲姣忎釜澶氳竟褰㈢殑鍧愭爣
+ const polygons = multiPolygonCoordinates.map(polygon => {
+ if (!Array.isArray(polygon) || polygon.length === 0) {
+ throw new Error("Invalid input: Each polygon must be a non-empty array of [longitude, latitude] points.");
}
- }
- // 灏嗙粡绾害鏁扮粍杞崲涓� WKT 鏍煎紡鐨勫潗鏍囧瓧绗︿覆
- const wktCoordinates = coordinates
- .map(([longitude, latitude]) => `${longitude} ${latitude}`)
- .join(",");
+ // 妫�鏌ユ瘡涓偣鏄惁鏄湁鏁堢殑 [缁忓害, 绾害] 鏁扮粍
+ for (const point of polygon) {
+ if (!Array.isArray(point) || point.length !== 2 || typeof point[0] !== "number" || typeof point[1] !== "number") {
+ throw new Error("Invalid input: Each coordinate must be an array of two numbers [longitude, latitude].");
+ }
+ }
+
+ // 灏嗘瘡涓杈瑰舰鐨勫潗鏍囪浆鎹负 WKT 鏍煎紡鐨勫瓧绗︿覆
+ return `((${polygon.map(([lng, lat]) => `${lng} ${lat}`).join(",")}))`;
+ });
// 鏋勫缓鏍囧噯鐨� MULTIPOLYGON WKT 鏍煎紡
- return `MULTIPOLYGON(((${wktCoordinates})))`;
+ return `MULTIPOLYGON(${polygons.join(",")})`;
}
\ No newline at end of file
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