In the code above, the node is subscribing to the pose of robot given by “~turtle” parameter.
from tf2_ros.
. .
Compact Message Definition.
.
cpp ├── mimic. . transform_listener import TransformListener.
md.
. class=" fc-falcon">You've installed ROS. float32 x float32 y float32 theta.
In this tutorial, you utilized nodes created from the turtlesim package by running the executables turtlesim_node and turtle_teleop_key. The tf package provides an implementation of a tf.
May 11, 2023 · fc-falcon">/Spawn是生成小海龟的服务,发起请求时需要给定小海龟的坐标和朝向,也可以指定小海龟的名字,服务响应之后返回小海龟的名字。 $ ros2 interface show turtlesim/srv/Spawn float32 x float32 y float32 theta string name # Optional.
A parameter is a configuration value of a node.
. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior.
transform_listener import TransformListener. .
.
技术标签: 自动驾驶 人工智能.
技术标签: 自动驾驶 人工智能. ros2 service call <service_name> <service_ type > ros2 service call /clear std_srvs/srv/Empty Spawn a new turtle; ros2 service call /spawn turtlesim/srv/Spawn "{x: 2, y: 2, theta: 0. .
. . . This package contains: The program spawn_turtle. . ros2 service find.
Let’s introspect a service with a type that sends and receives data, like /spawn.
. Spawn.
.
turtlesim/srv/Spawn.
2, name: 'turtle2'}" 4 Parameters.
0\^Jtheta:\.
.