From 4a0979fe67dd5971e2ea4944267d6df021f8a443 Mon Sep 17 00:00:00 2001
From: unexcellent <>
Date: Wed, 30 Oct 2024 09:43:40 +0100
Subject: [PATCH] feat: add JSONCoordinateSystem

---
 raillabel/json_format/coordinate_system.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 raillabel/json_format/coordinate_system.py

diff --git a/raillabel/json_format/coordinate_system.py b/raillabel/json_format/coordinate_system.py
new file mode 100644
index 0000000..d8815a0
--- /dev/null
+++ b/raillabel/json_format/coordinate_system.py
@@ -0,0 +1,18 @@
+# Copyright DB InfraGO AG and contributors
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import annotations
+
+from typing import Literal
+
+from pydantic import BaseModel
+from transform_data import JSONTransformData
+
+
+class JSONCoordinateSystem(BaseModel):
+    """A 3D reference frame."""
+
+    children: list[str]
+    parent: Literal["base", ""]
+    pose_wrt_parent: JSONTransformData
+    type: Literal["sensor", "local"]