From 76b8355edee70e782e1892b1b5efb5115ccbf583 Mon Sep 17 00:00:00 2001
From: "D. Berge" <dberge@aaltronav.eu>
Date: Thu, 21 Aug 2025 14:51:49 +0200
Subject: [PATCH] Add encoding type 4 to bundle

---
 lib/www/server/lib/binary/bundle.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib/www/server/lib/binary/bundle.js b/lib/www/server/lib/binary/bundle.js
index 1f161b6..935ae35 100644
--- a/lib/www/server/lib/binary/bundle.js
+++ b/lib/www/server/lib/binary/bundle.js
@@ -273,6 +273,31 @@ function bundle (json, opts = {}) {
 		});
 
 		return encode.sequential(json, el => el.sequence, el => el.point, deltas, values, type)
+	} else if (type == 4) {
+		/* Bare final positions
+		 *
+		 * Δelem    0: Sequence no. (Uint16Array, Uint8Array)
+		 * elem   0‒1: Float32Array, Float32Array – Final positions (x, y)
+		 *
+		 */
+
+		deltas.push({
+			key: el => el[2],
+			baseType: Uint16Array,
+			incrType: Int8Array
+		});
+
+		values.push({
+			key: el => el[3],
+			type: Float32Array
+		});
+
+		values.push({
+			key: el => el[4],
+			type: Float32Array
+		});
+
+		return encode.sequential(json, el => el[0], el => el[1], deltas, values, type)
 	} else if (type == 0xa) {
 		/* 4D comparison data:
 		 *