Hi Easy when you know how I expect,
but is there an easy way to null/zero a moving camera at a specific frame, like a reference frame in a tracker. At the moment I am using 4 axis to 1) set back to origin in translate (easy) 2) rotate Z back 3) rotate Y back 4) rotate X back. I then end up with a zero'd camera at that frame so I can add another axis to match the position of another camera. I've tried this in one node but cant do it and tried reversing transform/ rotate orders, but couldn't get it to work (yet) The above works but seems awkward and makes me feel thick. (but is the 3D equivalent of how I would invert a serise of tranforms pre the invert button) Howard
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