Doing a tf lookupTransform without publishing a specific transform?
Perhaps this is not the best title for my question, so let me briefly explain a situation.
I have a system where there is an ARTag which I am detecting from the camera using ar_kinect. I know this ARTag's location in the environment, which is published by another transform. (Lets say /world -> /ARTag_Actual). The ar_kinect package publishes a transform of where it sees the tag (/kinect -> /ARTag_Percieved) So from this, we should be able to simply calculate the transform from /world to /kinect by publishing an identity transform from /ARTag_Actual to /ARTag_Percieved but I want to be able to instead calculate this, and then simply publish a transform directly from /world to /kinect. How do I go about doing this? Should I just be using the bullet library directly? I apologize as I am not very experienced using the tf library.