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How to create colored objects in moveit or Rviz in robot's frame

asked 2019-06-20 16:49:50 -0500

Tawfiq Chowdhury gravatar image

updated 2019-06-20 16:56:17 -0500

I have been making collision objects just to use them as regular grasping object in moveit, I keep a distance between the robot's gripper and the object so that I can plan the gripper. This is the code that I have been using so far:

  p = PoseStamped()
  p.header.frame_id = robot.get_planning_frame()
  p.pose.position.x = 0.82
  p.pose.position.y = 0.30
  p.pose.position.z = 1.20
  p.pose.orientation.x = 0.0
  p.pose.orientation.y = 0.0
  p.pose.orientation.z = 0.0
  p.pose.orientation.w = 1.0
  scene.add_box("object1", p, (0.1, 0.5, 0.1))

What I need now, is to create objects of various types and set pose for them, or I may also create regular objects as I created before and set different colors for different endpoints of the objects to distinguish them. I need to know if I can do that and how to do that.

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answered 2019-06-21 03:36:47 -0500

The colors of objects shown in the moveit visualisations are defined by the RVIZ plugin. You cannot define specific colors for individual objects.

You could use a visualisations marker topic to achieve what you want though. If you add a marker that uses the frame of the robots end effector and set it's frame_locked parameter to true then it will move as the robot moves. However this object will not be visible in the planning preview.

Hope this helps.

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Asked: 2019-06-20 16:49:50 -0500

Seen: 46 times

Last updated: Jun 21