gazebo导入sdf模型
模型文件
模型文件结构：
-simple_car
- -model.config
- -model.sdf
model.config
<?xml version="1.0" ?>
<model>
<name>simple_car</name>
<version>1.0</version>
<sdf version="1.6">model.sdf</sdf>
<author>
<name></name>
<email></email>
</author>
<description></description>
</model>
model.sdf（添加有camera 和 controller，可以直接控制小车在gazebo中运动）
<?xml version='1.0'?>
<sdf version='1.6'>
<model name='simple_car'>
<link name='link_0'>
<inertial>
<mass>1</mass>
<inertia>
<ixx>0.166667</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>0.166667</iyy>
<iyz>0</iyz>
<izz>0.166667</izz>
</inertia>
<pose>0 0 0 0 -0 0</pose>
</inertial>
<pose>0.006 0 -0.005 0 -0 0</pose>
<gravity>1</gravity>
<self_collide>0</self_collide>
<kinematic>0</kinematic>
<enable_wind>0</enable_wind>
<visual name='visual'>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<box>
<size>1 0.6 0.2</size>
</box>
</geometry>
<material>
<lighting>1</lighting>
<script>
<uri>file://media/materials/scripts/gazebo.material
<name>Gazebo/Grey</name>
</script>
<shader type='pixel'>
<normal_map>__default__</normal_map>
</shader>
<ambient>0.3 0.3 0.3 1</ambient>
<diffuse>0.7 0.7 0.7 1</diffuse>
<specular>0.01 0.01 0.01 1</specular>
<emissive>0 0 0 1</emissive>
</material>
<transparency>0</transparency>
<cast_shadows>1</cast_shadows>
</visual>
<collision name='collision'>
<laser_retro>0</laser_retro>
<max_contacts>10</max_contacts>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<box>
<size>1 0.6 0.2</size>
</box>
</geometry>
<surface>
<friction>
<ode>
<mu>1</mu>
<mu2>1</mu2>
<fdir1>0 0 0</fdir1>
<slip1>0</slip1>
<slip2>0</slip2>
</ode>
<torsional>
<coefficient>1</coefficient>
<patch_radius>0</patch_radius>
<surface_radius>0</surface_radius>
<use_patch_radius>1</use_patch_radius>
<ode>
<slip>0</slip>
</ode>
</torsional>
</friction>
<bounce>
<restitution_coefficient>0</restitution_coefficient>
<threshold>1e+06</threshold>
</bounce>
<contact>
<collide_without_contact>0</collide_without_contact>
<collide_without_contact_bitmask>1</collide_without_contact_bitmask>
<collide_bitmask>1</collide_bitmask>
<ode>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
<max_vel>0.01</max_vel>
<min_depth>0</min_depth>
</ode>
<bullet>
<split_impulse>1</split_impulse>
<split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
</bullet>
</contact>
</surface>
</collision>
</link>
<link name='link_1'>
<inertial>
<mass>1</mass>
<inertia>
<ixx>0.145833</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>0.145833</iyy>
<iyz>0</iyz>
<izz>0.125</izz>
</inertia>
<pose>0 0 0 0 -0 0</pose>
</inertial>
<pose>-0.394 0.35 -0.005 -1.5707 0 0</pose>
<gravity>1</gravity>
<self_collide>0</self_collide>
<kinematic>0</kinematic>
<enable_wind>0</enable_wind>
<visual name='visual'>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<cylinder>
<radius>0.2</radius>
<length>0.1</length>
</cylinder>
</geometry>
<material>
<lighting>1</lighting>
<script>
<uri>file://media/materials/scripts/gazebo.material
<name>Gazebo/Grey</name>
</script>
<shader type='pixel'>
<normal_map>__default__</normal_map>
</shader>
<ambient>0.3 0.3 0.3 1</ambient>
<diffuse>0.7 0.7 0.7 1</diffuse>
<specular>0.01 0.01 0.01 1</specular>
<emissive>0 0 0 1</emissive>
</material>
<transparency>0</transparency>
<cast_shadows>1</cast_shadows>
</visual>
<collision name='collision'>
<laser_retro>0</laser_retro>
<max_contacts>10</max_contacts>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<cylinder>
<radius>0.2</radius>
<length>0.1</length>
</cylinder>
</geometry>
<surface>
<friction>
<ode>
<mu>1</mu>
<mu2>1</mu2>
<fdir1>0 0 0</fdir1>
<slip1>0</slip1>
<slip2>0</slip2>
</ode>
<torsional>
<coefficient>1</coefficient>
<patch_radius>0</patch_radius>
<surface_radius>0</surface_radius>
<use_patch_radius>1</use_patch_radius>
<ode>
<slip>0</slip>
</ode>
</torsional>
</friction>
<bounce>
<restitution_coefficient>0</restitution_coefficient>
<threshold>1e+06</threshold>
</bounce>
<contact>
<collide_without_contact>0</collide_without_contact>
<collide_without_contact_bitmask>1</collide_without_contact_bitmask>
<collide_bitmask>1</collide_bitmask>
<ode>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
<max_vel>0.01</max_vel>
<min_depth>0</min_depth>
</ode>
<bullet>
<split_impulse>1</split_impulse>
<split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
</bullet>
</contact>
</surface>
</collision>
</link>
<link name='link_2'>
<inertial>
<mass>1</mass>
<inertia>
<ixx>0.145833</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>0.145833</iyy>
<iyz>0</iyz>
<izz>0.125</izz>
</inertia>
<pose>0 0 0 0 -0 0</pose>
</inertial>
<pose>-0.394 -0.35 -0.005 -1.5707 0 0</pose>
<gravity>1</gravity>
<self_collide>0</self_collide>
<kinematic>0</kinematic>
<enable_wind>0</enable_wind>
<visual name='visual'>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<cylinder>
<radius>0.2</radius>
<length>0.1</length>
</cylinder>
</geometry>
<material>
<lighting>1</lighting>
<script>
<uri>file://media/materials/scripts/gazebo.material
<name>Gazebo/Grey</name>
</script>
<shader type='pixel'>
<normal_map>__default__</normal_map>
</shader>
<ambient>0.3 0.3 0.3 1</ambient>
<diffuse>0.7 0.7 0.7 1</diffuse>
<specular>0.01 0.01 0.01 1</specular>
<emissive>0 0 0 1</emissive>
</material>
<transparency>0</transparency>
<cast_shadows>1</cast_shadows>
</visual>
<collision name='collision'>
<laser_retro>0</laser_retro>
<max_contacts>10</max_contacts>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<cylinder>
<radius>0.2</radius>
<length>0.1</length>
</cylinder>
</geometry>
<surface>
<friction>
<ode>
<mu>1</mu>
<mu2>1</mu2>
<fdir1>0 0 0</fdir1>
<slip1>0</slip1>
<slip2>0</slip2>
</ode>
<torsional>
<coefficient>1</coefficient>
<patch_radius>0</patch_radius>
<surface_radius>0</surface_radius>
<use_patch_radius>1</use_patch_radius>
<ode>
<slip>0</slip>
</ode>
</torsional>
</friction>
<bounce>
<restitution_coefficient>0</restitution_coefficient>
<threshold>1e+06</threshold>
</bounce>
<contact>
<collide_without_contact>0</collide_without_contact>
<collide_without_contact_bitmask>1</collide_without_contact_bitmask>
<collide_bitmask>1</collide_bitmask>
<ode>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
<max_vel>0.01</max_vel>
<min_depth>0</min_depth>
</ode>
<bullet>
<split_impulse>1</split_impulse>
<split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
</bullet>
</contact>
</surface>
</collision>
</link>
<link name='link_3'>
<inertial>
<mass>1</mass>
<inertia>
<ixx>0.1</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>0.1</iyy>
<iyz>0</iyz>
<izz>0.1</izz>
</inertia>
<pose>0 0 0 0 -0 0</pose>
</inertial>
<pose>0.306 0 -0.105 0 -0 0</pose>
<gravity>1</gravity>
<self_collide>0</self_collide>
<kinematic>0</kinematic>
<enable_wind>0</enable_wind>
<visual name='visual'>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<sphere>
<radius>0.1</radius>
</sphere>
</geometry>
<material>
<lighting>1</lighting>
<script>
<uri>file://media/materials/scripts/gazebo.material
<name>Gazebo/Grey</name>
</script>
<shader type='pixel'>
<normal_map>__default__</normal_map>
</shader>
<ambient>0.3 0.3 0.3 1</ambient>
<diffuse>0.7 0.7 0.7 1</diffuse>
<specular>0.01 0.01 0.01 1</specular>
<emissive>0 0 0 1</emissive>
</material>
<transparency>0</transparency>
<cast_shadows>1</cast_shadows>
</visual>
<collision name='collision'>
<laser_retro>0</laser_retro>
<max_contacts>10</max_contacts>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<sphere>
<radius>0.1</radius>
</sphere>
</geometry>
<surface>
<friction>
<ode>
<mu>0</mu>
<mu2>0</mu2>
<fdir1>0 0 0</fdir1>
<slip1>0.01</slip1>
<slip2>0</slip2>
</ode>
<torsional>
<coefficient>1</coefficient>
<patch_radius>0</patch_radius>
<surface_radius>0</surface_radius>
<use_patch_radius>1</use_patch_radius>
<ode>
<slip>0</slip>
</ode>
</torsional>
</friction>
<bounce>
<restitution_coefficient>0</restitution_coefficient>
<threshold>1e+06</threshold>
</bounce>
<contact>
<collide_without_contact>0</collide_without_contact>
<collide_without_contact_bitmask>1</collide_without_contact_bitmask>
<collide_bitmask>1</collide_bitmask>
<ode>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
<max_vel>0.01</max_vel>
<min_depth>0</min_depth>
</ode>
<bullet>
<split_impulse>1</split_impulse>
<split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
</bullet>
</contact>
</surface>
</collision>
</link>
<link name='link_4'>
<inertial>
<mass>1</mass>
<inertia>
<ixx>0.166667</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>0.166667</iyy>
<iyz>0</iyz>
<izz>0.166667</izz>
</inertia>
<pose>0 0 0 0 -0 0</pose>
</inertial>
<pose>0.476 0 0.12 0 -0 0</pose>
<gravity>1</gravity>
<self_collide>0</self_collide>
<kinematic>0</kinematic>
<enable_wind>0</enable_wind>
<visual name='visual'>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<box>
<size>0.03 0.1 0.05</size>
</box>
</geometry>
<material>
<lighting>1</lighting>
<script>
<uri>file://media/materials/scripts/gazebo.material
<name>Gazebo/Grey</name>
</script>
<shader type='pixel'>
<normal_map>__default__</normal_map>
</shader>
<ambient>0.01 0.6 0.9 1</ambient>
<diffuse>0.7 0.7 0.7 1</diffuse>
<specular>0.1 0.01 0.01 1</specular>
<emissive>0 0 0 1</emissive>
</material>
<transparency>0</transparency>
<cast_shadows>1</cast_shadows>
</visual>
<collision name='collision'>
<laser_retro>0</laser_retro>
<max_contacts>10</max_contacts>
<pose>0 0 0 0 -0 0</pose>
<geometry>
<box>
<size>0.03 0.1 0.05</size>
</box>
</geometry>
<surface>
<friction>
<ode>
<mu>1</mu>
<mu2>1</mu2>
<fdir1>0 0 0</fdir1>
<slip1>0</slip1>
<slip2>0</slip2>
</ode>
<torsional>
<coefficient>1</coefficient>
<patch_radius>0</patch_radius>
<surface_radius>0</surface_radius>
<use_patch_radius>1</use_patch_radius>
<ode>
<slip>0</slip>
</ode>
</torsional>
</friction>
<bounce>
<restitution_coefficient>0</restitution_coefficient>
<threshold>1e+06</threshold>
</bounce>
<contact>
<collide_without_contact>0</collide_without_contact>
<collide_without_contact_bitmask>1</collide_without_contact_bitmask>
<collide_bitmask>1</collide_bitmask>
<ode>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
<max_vel>0.01</max_vel>
<min_depth>0</min_depth>
</ode>
<bullet>
<split_impulse>1</split_impulse>
<split_impulse_penetration_threshold>-0.01</split_impulse_penetration_threshold>
<soft_cfm>0</soft_cfm>
<soft_erp>0.2</soft_erp>
<kp>1e+13</kp>
<kd>1</kd>
</bullet>
</contact>
</surface>
</collision>
<sensor name="camera" type="depth">
<update_rate>20</update_rate>
<camera>
<horizontal_fov>1.047198</horizontal_fov>
<image>
<width>640</width>
<height>480</height>
<format>R8G8B8</format>
</image>
<clip>
<near>0.05</near>
<far>10</far>
</clip>
</camera>
<plugin name="realsense_controller" filename="libgazebo_ros_openni_kinect.so">
<baseline>0.2</baseline>
<alwaysOn>true</alwaysOn>
<updateRate>1.0</updateRate>
<cameraName>realsense_f</cameraName>
<imageTopicName>/camera/front/color/image_raw</imageTopicName>
<cameraInfoTopicName>/camera/front/color/camera_info</cameraInfoTopicName>
<depthImageTopicName>/camera/front/depth/image_raw</depthImageTopicName>
<depthImageInfoTopicName>/camera/front/depth/camera_info</depthImageInfoTopicName>
<pointCloudTopicName>/camera/front/depth/points</pointCloudTopicName>
<frameName>rs_front</frameName>
<pointCloudCutoff>0.5</pointCloudCutoff>
<pointCloudCutoffMax>10.0</pointCloudCutoffMax>
<distortionK1>0.00000001</distortionK1>
<distortionK2>0.00000001</distortionK2>
<distortionK3>0.00000001</distortionK3>
<distortionT1>0.00000001</distortionT1>
<distortionT2>0.00000001</distortionT2>
<CxPrime>0</CxPrime>
<Cx>0</Cx>
<Cy>0</Cy>
<focalLength>0</focalLength>
<hackBaseline>0</hackBaseline>
</plugin>
</sensor>
</link>
<joint name='link_0_JOINT_0' type='revolute'>
<parent>link_0</parent>
<child>link_2</child>
<pose>0 0 0 0 -0 0</pose>
<axis>
<xyz>0 0 1</xyz>
<limit>
<lower>-1.79769e+308</lower>
<upper>1.79769e+308</upper>
<effort>-1</effort>
<velocity>-1</velocity>
</limit>
<dynamics>
<spring_reference>0</spring_reference>
<spring_stiffness>0</spring_stiffness>
<damping>0</damping>
</dynamics>
</axis>
<physics>
<ode>
<limit>
<cfm>0</cfm>
<erp>0.2</erp>
</limit>
<suspension>
<cfm>0</cfm>
<erp>0.2</erp>
</suspension>
</ode>
</physics>
</joint>
<joint name='link_0_JOINT_1' type='revolute'>
<parent>link_0</parent>
<child>link_1</child>
<pose>0 0 0 0 -0 0</pose>
<axis>
<xyz>0 0 1</xyz>
<limit>
<lower>-1.79769e+308</lower>
<upper>1.79769e+308</upper>
<effort>-1</effort>
<velocity>-1</velocity>
</limit>
<dynamics>
<spring_reference>0</spring_reference>
<spring_stiffness>0</spring_stiffness>
<damping>0</damping>
</dynamics>
</axis>
<physics>
<ode>
<limit>
<cfm>0</cfm>
<erp>0.2</erp>
</limit>
<suspension>
<cfm>0</cfm>
<erp>0.2</erp>
</suspension>
</ode>
</physics>
</joint>
<joint name='link_0_JOINT_2' type='fixed'>
<parent>link_0</parent>
<child>link_3</child>
<pose>0 0 0 0 -0 0</pose>
<physics>
<ode>
<limit>
<cfm>0</cfm>
<erp>0.2</erp>
</limit>
<suspension>
<cfm>0</cfm>
<erp>0.2</erp>
</suspension>
</ode>
</physics>
</joint>
<joint name='link_0_JOINT_3' type='fixed'>
<parent>link_0</parent>
<child>link_4</child>
<pose>0 0 0 0 -0 0</pose>
<physics>
<ode>
<limit>
<cfm>0</cfm>
<erp>0.2</erp>
</limit>
<suspension>
<cfm>0</cfm>
<erp>0.2</erp>
</suspension>
</ode>
</physics>
</joint>
<include>
<uri>model://hokuyo_lidar
<pose>0.4 0 0.15 0 0 0</pose>
</include>
<joint name="hokuyo_joint" type="fixed">
<child>hokuyo_lidar::link</child>
<parent>link_0</parent>
</joint>
<plugin name="car_controller" filename="libgazebo_ros_diff_drive.so">
<robotNamespace>/</robotNamespace>
<updateRate>20</updateRate>
<leftJoint>link_0_JOINT_1</leftJoint>
<rightJoint>link_0_JOINT_0</rightJoint>
<wheelSeparation>0.7</wheelSeparation>
<wheelDiameter>0.4</wheelDiameter>
<alwaysOn>true</alwaysOn>
<!-- Wheel acceleration, in rad/s^2, defaults to 0.0 rad/s^2 -->
<wheelAcceleration>0.3</wheelAcceleration>
<!-- Maximum torque which the wheels can produce, in Nm, defaults to 5 Nm -->
<wheelTorque>20</wheelTorque>
<!-- Topic to receive geometry_msgs/Twist message commands, defaults to `cmd_vel` -->
<commandTopic>cmd_vel</commandTopic>
<!-- Topic to publish nav_msgs/Odometry messages, defaults to `odom` -->
<odometryTopic>odom</odometryTopic>
<!-- Odometry frame, defaults to `odom` -->
<odometryFrame>odom</odometryFrame>
<!-- Robot frame to calculate odometry from, defaults to `base_footprint` -->
<robotBaseFrame>link_0</robotBaseFrame>
<!-- Set to true to publish transforms for the wheel links, defaults to false -->
<publishWheelTF>true</publishWheelTF>
<publishOdomTF>true</publishOdomTF>
<!-- Set to true to publish transforms for the odometry, defaults to true -->
<publishOdom>true</publishOdom>
<publishWheelJointState>true</publishWheelJointState>
<!-- Set to true to swap right and left wheels, defaults to true -->
<legacyMode>false</legacyMode>
</plugin>
<static>0</static>
<allow_auto_disable>1</allow_auto_disable>
</model>
<static>0</static>
</sdf>
添加到gazebo
1、启动gazebo,可以用roslaunch启动，也可以直接在终端输入：gazebo
2、insert模型
注意，这里只能在models这一层级目录open，不然gazebo找不到模型
下一步：
从左侧拖动模型到环境里面，找到一个位置放下
下一步：
可以移动、旋转模型在环境中的 位置和姿态。