From dbb7d1123770fb7335835b3d5a215c651a0f6c58 Mon Sep 17 00:00:00 2001
From: Zichong Li <zli@anybotics.com>
Date: Thu, 18 Sep 2025 12:30:55 +0200
Subject: [PATCH] Added ros1_bridge mapping support

---
 grid_map_msgs/CMakeLists.txt           |  4 ++++
 grid_map_msgs/package.xml              |  1 +
 grid_map_msgs/ros1_bridge_mapping.yaml | 13 +++++++++++++
 3 files changed, 18 insertions(+)
 create mode 100644 grid_map_msgs/ros1_bridge_mapping.yaml

diff --git a/grid_map_msgs/CMakeLists.txt b/grid_map_msgs/CMakeLists.txt
index b959e5b73..1c6eb2dad 100644
--- a/grid_map_msgs/CMakeLists.txt
+++ b/grid_map_msgs/CMakeLists.txt
@@ -23,6 +23,10 @@ rosidl_generate_interfaces(${PROJECT_NAME}
   DEPENDENCIES std_msgs geometry_msgs
 )
 
+install(
+  FILES ros1_bridge_mapping.yaml
+  DESTINATION share/${PROJECT_NAME})
+  
 ament_export_dependencies(rosidl_default_runtime)
 
 ament_package()
diff --git a/grid_map_msgs/package.xml b/grid_map_msgs/package.xml
index 306ff1bed..4145d74f0 100644
--- a/grid_map_msgs/package.xml
+++ b/grid_map_msgs/package.xml
@@ -24,5 +24,6 @@
 
   <export>
     <build_type>ament_cmake</build_type>
+    <ros1_bridge mapping_rules="ros1_bridge_mapping.yaml"/>
   </export>
 </package>
diff --git a/grid_map_msgs/ros1_bridge_mapping.yaml b/grid_map_msgs/ros1_bridge_mapping.yaml
new file mode 100644
index 000000000..5d18ddc6e
--- /dev/null
+++ b/grid_map_msgs/ros1_bridge_mapping.yaml
@@ -0,0 +1,13 @@
+-
+  ros1_package_name: 'grid_map_msgs'
+  ros1_message_name: 'GridMap'
+  ros2_package_name: 'grid_map_msgs'
+  ros2_message_name: 'GridMap'
+  fields_2_to_1:
+    header: "info.header"
+    info: "info"
+    layers: "layers"
+    basic_layers: "basic_layers"
+    data: "data"
+    outer_start_index: "outer_start_index"
+    inner_start_index: "inner_start_index"
\ No newline at end of file