<?xml version="1.0"?>
<gazebo version="1.0">
  <world name="world_1">
    <scene>
      <ambient rgba="0.5 0.5 0.5 1.0"/>
      <background rgba="0.5 0.5 0.5 1.0">
        <sky material="Gazebo/CloudySky"/>
      </background>
      <shadows enabled="true"/>
      <fog rgba="0.0 0.0 0.5 0.5" type="linear" start="2.0" end="10.0" density="0.5"/>
    </scene>

    <physics type="ode">
      <ode>
        <max_contacts>250</max_contacts>
        <solver type="quick" dt="0.000001" iters="20" sor="1.3"/>
        <constraints cfm="0" erp="0.2" contact_max_correcting_vel="100.0" contact_surface_layer="0.0"/>
        <gravity xyz="0.0 0.0 -9.81"/>
      </ode>
    </physics>

    <!-- inertial only model -->
    <model name="model_1" static="false">

      <origin pose="0.0 0.0 1.0 0.0 0.0 0.0"/>

      <link name="link_1" self_collide="true" gravity="false" kinematic="false">
        <origin pose="0.0 0.0 0.0 0.0 0.0 0.0"/>
        <inertial mass="10.0">
          <origin pose="0.0 0.0 0.0 0.0 0.0 0.0"/>
          <damping linear="0.0" angular="0.0" />
          <inertia ixx="1.0" ixy="0.0" ixz="0.0"
                   iyy="1.0" iyz="0.0"
                   izz="1.0"/>
        </inertial>
      </link>

    </model>
  </world>
</gazebo>
