Update scatter-clustering-process.js
diff --git a/public/data/scatter-clustering-process.js b/public/data/scatter-clustering-process.js
index 4a04797..b5c3d59 100644
--- a/public/data/scatter-clustering-process.js
+++ b/public/data/scatter-clustering-process.js
@@ -217,6 +217,7 @@
     },
     baseOption: {
         animationDurationUpdate: ANIMATION_DURATION_UPDATE,
+        transition: ['shape'],
         tooltip: {
         },
         xAxis: {