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From:
Charles Butler Date: Sat Jul 8, 2000 12:11 pm Subject: Re: rotation symbols and directions | |
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Valerie, Looking at your rotation symbols, from the hand you give, there are at least two rotations I don't see as being physically possible from the orientation of the hand you start with. I am trying to write using the pinky as the tracer or the thumb as the tracer and neither seems to work in at least two positions unless your arm can swing completely around in both directions, which unless one's hand is a robot's, the joints don't work that way. I don't understand. From the halfway position, which you start with, which arrow turns the hand so that you see the back of it? (the end position index finger now moves to the left side of the drawing and the box goes black). Which arrow turns the hand so that you see the front of it? (box is now white) I still don't get it, and I've been using this system for 25 years. Perhaps I'm reading it wrong but I read the double line being the arm, and the arrows being the rotation, where if the arrow has a double line, your movement is an up-and-down rotation like the ASL sign "happen". Could you possibly use the signs "happen" and "shut the double doors" so that both hands, left and right are shown both pivoting in and out and pivoting up and down. I need that illustration to really understand it. Charles |
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