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2018-07-17 17:23:35 -0600 commented answer How can I access NodeHandle w/ Nodelets?

Yeah that's how C++ works, all variables must be initialized in the constructor. So you can either make it not be a refe

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2018-07-17 17:20:52 -0600 commented answer How can I access NodeHandle w/ Nodelets?

Yeah that's how C++ works, all variables must be initialized in the constructor. So you can either make it not be a refe

2018-07-17 17:06:48 -0600 commented answer rospy ColorRGBA array messages changing all vectors

That's right. If you want to append 221 copies instead, import the copy module import copy And copy the message msg

2018-07-17 17:04:01 -0600 answered a question how to record published images from USB camera to mp4/avi format

Checkout the image_view/video_recorder node.

2018-07-17 17:03:24 -0600 answered a question reference example for cmd_vel command subscriber

Looks like you're trying to make a gazebo plugin which subscribes to a ROS topic. This plugin does something similar and

2018-07-17 17:03:24 -0600 answered a question How can I access NodeHandle w/ Nodelets?

ros::NodeHandle& private_nh = getPrivateNodeHandle(); ros::NodeHandle& nh = getNodeHandle(); There are just lo