![]() Buy ORCA if you want their window naming convention and it is expensive but offers many real NA tools and is money well spent but I don’t even bother with the ORCA viewports option since I long ago got used to the Rhino standard setup and orienting my models as mentioned. No one else really cares and the important thing is that a boat is long and narrow and this best fits a vessel to the screen aspect. Believe me, I went through everything you are and it was very simple to just do what I describe. In the above example, the g element that contains the axis is translated by (20, 50). The main thing is that you can get an orientation along the X axis in the manner I describe and then put the origin at the ‘fwd extremity’ which would be the very tip of the bow, or the DWL, or the transom and all will work out and all you need to do is ignore the naming in the Rhino view windows. The axis can be positioned by transforming the axis’s container. NA standards and what a builder wants are not the same thing. The elevators are the primary control of pitch. A positive pitching motion raises the nose of the aircraft and lowers the tail. ![]() I usually use the established NA convention of putting the origin at the DWL at and number aft in the negative X direction, but on a project such as this I re-orient for the sake of the builder who wants to hang the hook of a tape measure on the transom and pull out to his right (pos X) if he is right handed and mark off the sections locations ect. The pitch axis (also called transverse or lateral axis 5) has its origin at the center of gravity and is directed to the right, parallel to a line drawn from wingtip to wingtip. ![]()
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