_r430.urdf.xacro

<?xml version="1.0"?>

<!--
# Copyright 2023 Intel Corporation. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-->

<!--
This is the URDF model for the Intel RealSense 430 camera, in it's
aluminum peripherial evaluation case.
-->

<robot name="sensor_r430" xmlns:xacro="http://ros.org/wiki/xacro">
  <!-- Includes -->
  <xacro:include filename="$(find realsense2_description)/urdf/_materials.urdf.xacro" />

  <xacro:macro name="sensor_r430" params="parent *origin name:=camera use_nominal_extrinsics:=false">
  <xacro:property name="M_PI" value="3.1415926535897931" />

  <!-- The following values are approximate, and the camera node
   publishing TF values with actual calibrated camera extrinsic values -->
  <xacro:property name="r430_cam_depth_to_infra1_offset" value="-0.025"/>
  <xacro:property name="r430_cam_depth_to_infra2_offset" value="0.025"/>
  <xacro:property name="r430_cam_depth_to_fisheye_offset" value="0.042"/>

  <!-- The following values model the aluminum peripherial case for the
    R430 camera, with the camera joint represented by the actual 
    peripherial camera tripod mount -->
  <xacro:property name="r430_cam_width" value="0.105"/>
  <xacro:property name="r430_cam_height" value="0.039"/>
  <xacro:property name="r430_cam_depth" value="0.019"/>
  <xacro:property name="r430_cam_mount_from_center_offset" value=".0275"/>

  <!-- The following offset is relative the the physical R430 camera peripherial
    camera tripod mount -->
  <xacro:property name="r430_cam_depth_px" value="0.00"/>
  <xacro:property name="r430_cam_depth_py" value="-0.035"/>
  <xacro:property name="r430_cam_depth_pz" value="0.028"/>

    <!-- camera body, with origin at bottom screw mount -->
    <joint name="${name}_joint" type="fixed">
      <xacro:insert_block name="origin" />
      <parent link="${parent}"/>
      <child link="${name}_link" />
    </joint>

    <link name="${name}_link">
      <visual>
      <origin xyz="0 ${-r430_cam_mount_from_center_offset} ${r430_cam_height/2}" rpy="${M_PI/2} 0 ${M_PI/2}"/>
        <geometry>
          <box size="${r430_cam_width} ${r430_cam_height} ${r430_cam_depth}"/>
          <!--<mesh filename="file://$(find realsense2_description)/meshes/r430/r430.dae" />-->
        </geometry>
        <material name="aluminum"/>
      </visual>
      <collision>
        <origin xyz="0.0 0.0 ${r430_cam_height/2}" rpy="0 0 0"/>
        <geometry>
        <box size="${r430_cam_depth} ${r430_cam_width} ${r430_cam_height}"/>
        </geometry>
      </collision>
      <inertial>
        <!-- The following are not reliable values, and should not be used for modeling -->
        <mass value="0.564" />
        <origin xyz="0 0 0" />
        <inertia ixx="0.003881243" ixy="0.0" ixz="0.0" iyy="0.000498940" iyz="0.0" izz="0.003879257" />
      </inertial>
    </link>

    <!-- Use the nominal extrinsics between camera frames if the calibrated extrinsics aren't being published. e.g. running the device in simulation  -->
    <xacro:if value="${use_nominal_extrinsics}">
      <!-- camera depth joints and links -->
      <joint name="${name}_depth_joint" type="fixed">
        <origin xyz="${r430_cam_depth_px} ${r430_cam_depth_py} ${r430_cam_depth_pz}" rpy="0 0 0"/>
        <parent link="${name}_link"/>
        <child link="${name}_depth_frame" />
      </joint>
      <link name="${name}_depth_frame"/>

      <joint name="${name}_depth_optical_joint" type="fixed">
        <origin xyz="0 0 0" rpy="${-M_PI/2} 0 ${-M_PI/2}" />
        <parent link="${name}_depth_frame" />
        <child link="${name}_depth_optical_frame" />
      </joint>
      <link name="${name}_depth_optical_frame"/>

      <!-- camera left IR joints and links -->
      <joint name="${name}_infra1_joint" type="fixed">
        <origin xyz="0 ${r430_cam_depth_to_infra1_offset} 0" rpy="0 0 0" />
        <parent link="${name}_depth_frame" />
        <child link="${name}_infra1_frame" />
      </joint>
      <link name="${name}_infra1_frame"/>

      <joint name="${name}_infra1_optical_joint" type="fixed">
        <origin xyz="0 0 0" rpy="${-M_PI/2} 0 ${-M_PI/2}" />
        <parent link="${name}_infra1_frame" />
        <child link="${name}_infra1_optical_frame" />
      </joint>
      <link name="${name}_infra1_optical_frame"/>

      <!-- camera right IR joints and links -->
      <joint name="${name}_infra2_joint" type="fixed">
        <origin xyz="0 ${r430_cam_depth_to_infra2_offset} 0" rpy="0 0 0" />
        <parent link="${name}_depth_frame" />
        <child link="${name}_infra2_frame" />
      </joint>
      <link name="${name}_infra2_frame"/>

      <joint name="${name}_infra2_optical_joint" type="fixed">
        <origin xyz="0 0 0" rpy="${-M_PI/2} 0 ${-M_PI/2}" />
        <parent link="${name}_infra2_frame" />
        <child link="${name}_infra2_optical_frame" />
      </joint>
      <link name="${name}_infra2_optical_frame"/>

    </xacro:if>
  </xacro:macro>
</robot>