Defining a Beam’s Coordinate System (Tekla Open API)

If you take a Tekla Beam, then it automatically is given a beam coordinate system. But what does it mean? The documentation doesn’t contain much helpful information. Hopefully the above image will be helpful Also note that it defines what rotation means. The process is opaque, but you can calulate it if you wish. I managed to backward calculate everything. You may review it in the Tekla Extension…