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HLPR_LookAt

This package has a few examples of how to do lookout related stuff. To get started look at the look_at_service.py.

When you run it, it creates 3 services:

1. lookat_vec3: Expects a geometry_msgs/Vector3 in base_link frame to look at
2. lookat_tr: Expects a geometry_msgs/Transform in base_link frame to look at
3. lookat_s_tr: Expects a geometry_msgs/TransformStamped with a valid frame_id (i.e. something that exists in the tf tree) to look at.

The look_at_client.py file has some example code to look at the end effector using the service.

The follow_eef.py file has some example code to look at things without using the service.