Jonathan Mack

pixelninja
I'm not a fan of tying FOV to aspect ratio. Unless you mean the aperture aspect ratio and not resolution aspect ratio.

yes, aperture aspect ratio--fov as a derived property of screen size. pixel resolution is a render property independent of the camera.

There is no resolution scale for the 3d viewer, just make it smaller or lower desktop resolution. 3D views always render 1:1

dlee
The current implementation is indeed vertically rectilinear and horizontally longitudinal, but the implementation is deeply flawed (vertical fov forced to 45 degrees, and produces nonsensical results if the image aspect ratio isn't square). We do not believe it's implementation worth keeping.

is a 'fixed' version worth implementing as a new projection type? not sure what you would call it, "panoramic" maybe? Use vertical aperture/focal to set vertical fov, same as a rectilinear, then derive horizontal fov from aspect ratio? Not sure how a physical widelux type camera actually works.

Edit:
XPan cameras are just wide aspect traditional lens cameras. The panoramic camera I was thinking of is called a "WideLux"