git remote set-url origin...

git remote set-url origin ssh://git@gitlab.iri.upc.edu:2202/mobile_robotics/adc/adc_2021/road_description.git
Moved the inertia from the base_link because it is not supported by Gazebo.

launch/spawn_sign.launch

@@ -10,7 +10,7 @@
   <arg name="parent" default="map"/>
 
   <param name="$(arg name)_description" 
-         command="$(find xacro)/xacro --inorder '$(find sign_description)/urdf/$(arg model).xacro' 
+         command="$(find xacro)/xacro '$(find sign_description)/urdf/$(arg model).xacro' 
                   name:=$(arg name)
                   tag:=$(arg tag)
                   type:=$(arg type)">

urdf/signs/sign_macro.xacro

@@ -24,11 +24,6 @@
                        box_gazebo_material:=Gazebo/White">
 
     <link name="${name}_base_link">
-      <inertial>
-        <mass value="0.001"/>
-        <origin xyz="0.0 0.0 0.0" rpy="0 0 0"/>
-        <inertia ixx="0.00001" ixy="0.0" ixz="0.0" iyy="0.00001" iyz="0.0" izz="0.00001" />
-      </inertial>
       <visual>
         <origin xyz="-${box_depth/2.0} 0 ${box_height/2.0}" rpy="0 0 0"/>
         <geometry>
@@ -49,6 +44,11 @@
     </gazebo>
     
     <link name="${name}_tag_link">
+      <inertial>
+        <mass value="0.001"/>
+        <origin xyz="0.0 0.0 0.0" rpy="0 0 0"/>
+        <inertia ixx="0.00001" ixy="0.0" ixz="0.0" iyy="0.00001" iyz="0.0" izz="0.00001" />
+      </inertial>
     </link>
     
     <joint name="joint_${name}_base_link_to_${name}_tag_link" type="fixed">