Trace an Arc, 1
- Ryan Hirst
- Parametric Curves
Proposition: To trace an arc. First Solution: The curve equation is known; the trace should move with the construction.
Find τ in some continuous range of length 2π. (If u·w =0, use the last nonzero value) Now τ≡t mod 2π, (-π ≤ τ ≤π) (minimum residue)