From 05d7e1942acffefbeb40f7dd9d69ce4298119dcf Mon Sep 17 00:00:00 2001
From: El Jawad Alaa <ejalaa12@gmail.com>
Date: Wed, 15 Mar 2023 20:36:09 +0100
Subject: [PATCH] sensor_msgs/Range lacks variance field (#181)

* sensor_msgs/Range lacks variance field
Fixes #180

Signed-off-by: Alaa <ejalaa12@gmail.com>
---
 sensor_msgs/msg/Range.msg | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sensor_msgs/msg/Range.msg b/sensor_msgs/msg/Range.msg
index abb027a3..ed3a93b0 100644
--- a/sensor_msgs/msg/Range.msg
+++ b/sensor_msgs/msg/Range.msg
@@ -37,3 +37,6 @@ float32 range           # range data [m]
                         # (Detection too close to the sensor to quantify)
                         # +Inf represents no detection within the fixed distance.
                         # (Object out of range)
+
+float32 variance        # variance of the range sensor
+                        # 0 is interpreted as variance unknown