Dear Robert,
Thank you for pointing out the existence of the two different conventions
in mathematics
and physics --- sorry that I hadn't investigated this in advance. As far as
I am aware, the
mathematicians use the "physics" convention quite often, but can certainly
accept the
different conventi
On 7/16/2018 7:28 AM, Christian Rau wrote:
Dear R-devel mailing list,
I am wondering whether the "theta" and "phi" parameters of the "persp"
function
in the graphics commands are named in error (the names seem to have been
swapped).
Not that it is authoritative, but one gleans from wikipedia,
Dear R-devel mailing list,
I am wondering whether the "theta" and "phi" parameters of the "persp"
function
in the graphics commands are named in error (the names seem to have been
swapped). Also, in the documentation to "persp", reference is made to
"colatitude"
when the effect in the image is act
