I'm not sure I understood all of that, but I believe it qualifies you for the "PDML Weekly Big Word Award!" ;-)
Don > -----Original Message----- > From: Rob Studdert [mailto:[EMAIL PROTECTED] > Sent: Thursday, December 02, 2004 5:42 PM > To: [EMAIL PROTECTED] > Subject: Re: OT: Anyone notice this? > > > On 2 Dec 2004 at 14:29, Collin Brendemuehl wrote: > > > BTW, rectilinear is a distortion, not the lack of it. It's > done to produce an > > effect which is not natural to either the human eye's vision > characteristics or > > to normal lens designs. > > Sorry I'll have to respectfully disagree on this one. Considering > that the > captured image is to be displayed on an essentially flat output media a > rectilinear projection is most appropriate and will provide > minimal distortion. > > What it seems you are complaining about is the ultra-wide AOV? > The fact is that > anything wider than normal AOV (ei a projection that replicates > our natural > perspective of AOV at a given viewing distance) will look > distorted at the > incorrect viewing distance. Conversely a cylindrical (continuous pano) or > spherical (fisheye) projection will be distorted at any AOV on a > flat output > media however it they appear less objectionable than a > rectilinear projection > viewed from an inappropriate distance. > > http://www.path.unimelb.edu.au/~dersch/perspective/Wide_Angle_Pers pective.html Cheers, Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
