Define unknown materials to hide URDF parser warnings

robots/hyq_description/robots/hyq_no_sensors.urdf

@@ -4,6 +4,12 @@
 <!-- |    EDITING THIS FILE BY HAND IS NOT RECOMMENDED                                 | -->
 <!-- =================================================================================== -->
 <robot name="hyq" xmlns:xacro="http://ros.org/wiki/xacro">
+  <material name="white">
+    <color rgba="1 1 1 1"/>
+  </material>
+  <material name="black">
+    <color rgba="0 0 0 1"/>
+  </material>
   <!-- This argument allows us to load joint sensors that measure the internal wrenches -->
   <!-- The following included files set up definitions of parts of the robot body -->
   <!-- kin limits (sign ref is RH leg)-->

robots/talos_data/robots/talos_full_v2.urdf

@@ -13,6 +13,9 @@
   Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 -->
 <robot name="talos" xmlns:controller="http://playerstage.sourceforge.net/gazebo/xmlschema/#controller" xmlns:interface="http://playerstage.sourceforge.net/gazebo/xmlschema/#interface" xmlns:sensor="http://playerstage.sourceforge.net/gazebo/xmlschema/#sensor" xmlns:xacro="http://ros.org/wiki/xacro">
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--************************-->
   <!--        TORSO_2  (TILT) -->
   <!--************************-->

robots/talos_data/robots/talos_full_v2_box.urdf

@@ -13,6 +13,9 @@
   Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 -->
 <robot name="talos" xmlns:controller="http://playerstage.sourceforge.net/gazebo/xmlschema/#controller" xmlns:interface="http://playerstage.sourceforge.net/gazebo/xmlschema/#interface" xmlns:sensor="http://playerstage.sourceforge.net/gazebo/xmlschema/#sensor" xmlns:xacro="http://ros.org/wiki/xacro">
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--************************-->
   <!--        TORSO_2  (TILT) -->
   <!--************************-->

robots/talos_data/robots/talos_left_arm.urdf

@@ -13,8 +13,9 @@
   Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 -->
 <robot name="talos" xmlns:controller="http://playerstage.sourceforge.net/gazebo/xmlschema/#controller" xmlns:interface="http://playerstage.sourceforge.net/gazebo/xmlschema/#interface" xmlns:sensor="http://playerstage.sourceforge.net/gazebo/xmlschema/#sensor" xmlns:xacro="http://ros.org/wiki/xacro">
-
-
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <link name="arm_left_1_link">
     <!-- TODO: Missing reflects of inertias -->
     <inertial>

robots/talos_data/robots/talos_reduced.urdf

@@ -13,6 +13,9 @@
   Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 -->
 <robot name="talos" xmlns:controller="http://playerstage.sourceforge.net/gazebo/xmlschema/#controller" xmlns:interface="http://playerstage.sourceforge.net/gazebo/xmlschema/#interface" xmlns:sensor="http://playerstage.sourceforge.net/gazebo/xmlschema/#sensor" xmlns:xacro="http://ros.org/wiki/xacro">
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--File includes-->
   <!--Constant parameters-->
   <!--File includes-->

robots/talos_data/robots/talos_reduced_box.urdf

@@ -13,6 +13,9 @@
   Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 -->
 <robot name="talos" xmlns:controller="http://playerstage.sourceforge.net/gazebo/xmlschema/#controller" xmlns:interface="http://playerstage.sourceforge.net/gazebo/xmlschema/#interface" xmlns:sensor="http://playerstage.sourceforge.net/gazebo/xmlschema/#sensor" xmlns:xacro="http://ros.org/wiki/xacro">
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--File includes-->
   <!--Constant parameters-->
   <!--File includes-->

robots/tiago_description/robots/tiago.urdf

@@ -15,6 +15,9 @@
   <material name="Hey5DarkGrey">
     <color rgba="0.1 0.1 0.1 1.0"/>
   </material>
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--TODO: Check-->
   <gazebo>
     <plugin filename="libgazebo_ros_control.so" name="gazebo_ros_control">

robots/tiago_description/robots/tiago_no_hand.urdf

@@ -15,6 +15,9 @@
   <material name="Hey5DarkGrey">
     <color rgba="0.1 0.1 0.1 1.0"/>
   </material>
+  <material name="FlatBlack">
+    <color rgba="0.1 0.1 0.1 1"/>
+  </material>
   <!--TODO: Check-->
   <gazebo>
     <plugin filename="libgazebo_ros_control.so" name="gazebo_ros_control">