From bc1224693669d2c63fcadb295875c3c343712b8f Mon Sep 17 00:00:00 2001
From: jansule <suleiman@terrestris.de>
Date: Tue, 13 Feb 2024 16:37:31 +0100
Subject: [PATCH] fix: actually set xmlns on filter

---
 src/SldStyleParser.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/SldStyleParser.ts b/src/SldStyleParser.ts
index 4dacd16c..3cbb74cd 100644
--- a/src/SldStyleParser.ts
+++ b/src/SldStyleParser.ts
@@ -1210,8 +1210,12 @@ export class SldStyleParser implements StyleParser<string> {
     const rules: any[] = this.getSldRulesFromRules(geoStylerStyle.rules);
     // add the ogc namespace to the filter element, if a filter is present
     rules.forEach(rule => {
-      if (rule.Filter && !rule.Filter['@_xmlns']) {
-        rule.Filter['@_xmlns'] = 'http://www.opengis.net/ogc';
+      const ruleEl = get(rule, this.getTagName('Rule'));
+      const filter = getChildren(ruleEl, 'Filter').at(0);
+      if (filter) {
+        filter[':@'] = {
+          '@_xmlns': 'http://www.opengis.net/ogc'
+        };
       }
     });