Having spent several hours researching, and several more writing the draft script,
I thought I would share the script to create Seiffert spherical curves.
The script works fairly well, but has some bug features, and needs some more work.
The modulus is supposed to be between zero and 1. Provision for a modulus greater than 1 is coded for,
but is forming an ovalshape. It is supposed to be half spherical, I think.
Negative numbers seem to be working, except for a negative number of turns, just have to abs this.
A green sphere is created, but goes away. Need to fix this.
The curve ends up at various locations, which can be manually adjusted by changing the number of turns.
Closed curves would require a transcendental modulus?
Attached is .3dm of a "dog ball toy", quick, apply for patent...:-)
It has modulus of 0.94, and 3.29 turns, and is swept with a circle.
Need to move most of the .js over to the .html side.
There are copious notes in the .js file.
- Brian