From 450b843126f9e9b687ce9895fb7df3d80ed82709 Mon Sep 17 00:00:00 2001
From: Andreas Sundquist <asundqui@worldlabs.ai>
Date: Fri, 6 Jun 2025 14:14:55 -0700
Subject: [PATCH] Remove requirement for SuperSplat comment in PLY "chunk"
 element in order to decode compressed PLY format.

---
 src/ply.ts | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/ply.ts b/src/ply.ts
index b29757a2..8cc8bf27 100644
--- a/src/ply.ts
+++ b/src/ply.ts
@@ -519,14 +519,12 @@ export class PlyReader {
 
     const elementCallback = (element: PlyElement) => {
       if (element.name === "chunk") {
-        if (
-          this.comments.some((comment) =>
-            comment.toLowerCase().includes("supersplat"),
-          )
-        ) {
-          // SuperSplat compressed format detected
-          return initSuperSplat(element);
-        }
+        // "chunk" could conceivably be used for other formats, and we would
+        // ideally check for the comment: Generated by SuperSplat 2.*
+        // but gsplat also outputs this format without such a comment.
+        // In order to support both, let's assume a "chunk" element should
+        // be interpreted as this format.
+        return initSuperSplat(element);
       }
       if (isSuperSplat) {
         return decodeSuperSplat(element);