livox_horizon.urdf.xacro

livox_horizon.urdf.xacro

<?xml version="1.0"?>
<robot xmlns:xacro="http://ros.org/wiki/xacro">

  <xacro:property name="M_PI" value="3.14159"/> 
  <xacro:property name="laser_min_range" value="0.1"/>
  <xacro:property name="laser_max_range" value="200.0"/>
  <xacro:property name="horizontal_fov" value="81.7"/>
  <xacro:property name="vertical_fov" value="25.1"/>
  <xacro:property name="ros_topic" value="livox_lidar/livox"/>
  <xacro:property name="samples" value="24000"/>
  <xacro:property name="use_inf" value="false"/>
  <xacro:property name="downsample" value="2"/>
  
  <xacro:macro name="null_inertial">
    <inertial>
      <mass value="0.1"/>
    <inertia ixx="0.01" ixy="0" ixz="0"
          iyy="0.01" iyz="0"
          izz="0.01"/>
    </inertial>
  </xacro:macro>
  <xacro:macro name="Livox_Mid_gazebo_sensor" params="visualize:=True update_rate:=10 resolution:=0.002 noise_mean:=0.0 noise_stddev:=0.01 name:=livox">
    <gazebo reference="${name}">
      <sensor type="ray" name="laser_${name}">
        <pose>0 0 0 0 0 0</pose>
        <visualize>${visualize}</visualize>
        <update_rate>${update_rate}</update_rate>
        <!-- This ray plgin is only for visualization. -->
        <plugin name="gazebo_ros_laser_controller" filename="liblivox_laser_simulation.so">
			<ray>
			  <scan>
				<horizontal>
				<samples>100</samples>
				<resolution>1</resolution>
				<min_angle>${-horizontal_fov/360*M_PI}</min_angle>
				<max_angle>${horizontal_fov/360*M_PI}</max_angle>
				</horizontal>
				<vertical>
				<samples>50</samples>
				<resolution>1</resolution>
				<min_angle>${-vertical_fov/360*M_PI}</min_angle>
				<max_angle>${vertical_fov/360*M_PI}</max_angle>
				</vertical>
			  </scan>
			  <range>
				<min>${laser_min_range}</min>
				<max>${laser_max_range}</max>
				<resolution>${resolution}</resolution>
			  </range>
			  <noise>
				<type>gaussian</type>
				<mean>${noise_mean}</mean>
				<stddev>${noise_stddev}</stddev>
			  </noise>
			</ray>
          <visualize>${visualize}</visualize>
		  <samples>${samples}</samples>
		  <downsample>${downsample}</downsample>
		  <csv_file_name>package://livox_laser_simulation/scan_mode/horizon.csv</csv_file_name>
		  <ros_topic>${ros_topic}</ros_topic>
      <use_inf>${use_inf}</use_inf>
        </plugin>
      </sensor>
    </gazebo>
  </xacro:macro>


  <xacro:macro name="Livox_HORIZON" params="visualize:=True name:=livox">
    <link name="${name}_base">
      <xacro:null_inertial/>
      <visual> 
        <origin xyz="0.00 0 0.00" rpy="0 0 0"/>
        <geometry>
          <mesh filename="package://livox_laser_simulation/meshes/livox_mid40.dae">
          </mesh>
        </geometry>
      </visual>

      <collision>
		  <origin xyz="0 0 0" rpy="0 0 0" /> <geometry> <mesh 
		  filename="package://livox_laser_simulation/meshes/livox_mid40.dae"> 
		  </mesh> </geometry>
      </collision>
    </link>
    <link name="${name}">
      <xacro:null_inertial/>
    </link>

    <joint name="${name}_to_${name}_base_joint" type="fixed">
      <parent link="${name}_base"/>
      <child link="${name}"/>
      <origin rpy="0 0 0" xyz="0.0 0.0 0.0"/>
    </joint>
    <xacro:Livox_Mid_gazebo_sensor name="${name}" visualize="${visualize}"/>
  </xacro:macro>
    <!-- <xacro:Livox_HORIZON name="livox"/> -->
  <!-- <xacro:include filename="$(find livox_laser_simulation)/urdf/standardrobots_oasis300.xacro"/>
  <xacro:link_oasis name="oasis"/> -->
</robot>