From 7e111944dbd06b07365320f5984baeacb6d07c73 Mon Sep 17 00:00:00 2001
From: Martin Raifer <martin@raifer.tech>
Date: Wed, 7 Aug 2024 09:30:46 +0200
Subject: [PATCH] try to equally space to be rendered markers in mid zoom
 levels

closes #10378
---
 modules/services/panoramax.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/modules/services/panoramax.js b/modules/services/panoramax.js
index b4457d7fa..8e079fea2 100644
--- a/modules/services/panoramax.js
+++ b/modules/services/panoramax.js
@@ -65,7 +65,10 @@ function searchLimited(limit, projection, rtree) {
 
     return partitionViewport(projection)
         .reduce(function(result, extent) {
-            const found = rtree.search(extent.bbox())
+            let found = rtree.search(extent.bbox());
+            const spacing = Math.max(1, Math.floor(found.length / limit));
+            found = found
+                .filter((_, idx) => idx % spacing === 0)
                 .slice(0, limit)
                 .map(function(d) { return d.data; });