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Re: Loxodromy

> On Fri, 11 Apr 2003, Jacques L'helgoualc'h wrote:
>
> > I believe sample.tex is wrong,  as spherical spirals obtained by central
> > projection  of  helixes don't  cross  meridians  with  a constant  angle
> > (samples/sphere.xp).
> >

On Sat, 12 Apr 2003, Andrew D. Hwang wrote:
>
> But mathematically speaking, radial projection from a circumscribed
> cylinder to a sphere is conformal, isn't it?
>

For the record, Jacques is perfectly correct on all counts. Not sure how I
held this misconception, since Every Child Knows That

  log(r^2 e^{i\theta}) = 2 log|r| + i\theta
                      != r + i\theta...

--Andy

Andrew D. Hwang			ahwang at mathcs dot holycross dot edu
Department of Math and CS	http://mathcs.holycross.edu/~ahwang
College of the Holy Cross	(508) 793-2458 (Office: 320 Swords)
Worcester, MA, 01610-2395	(508) 793-3530 (fax)