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Generally, running multiple copies of the same system is easy enough, since each node has it's own private namespace.

However, having used gscam, this might be tricky because it's very un-ROS in the way it reads the devices name from an environment variable.

If you use usb_cam, you should be able to specify the input device for each node with the video_device parameter.

Generally, running multiple copies of the same system is easy enough, since each node has it's own private namespace.

However, having used gscam, this might be tricky because it's very un-ROS in the way it reads the devices device name from an environment variable.

If you use usb_cam, you should be able to specify the input device for each node with the video_device parameter.