camera
f
800
px
sensor 640 x 480 px
the unknown
λ
8.00
slides the point along the ray
show
clear rays
reset view
how
click anywhere on the image (left) to cast a ray
drag the 3D view to orbit · shift-drag pans · scroll zooms
the image — click to choose \(\v{r}_p^S\)
the world — every point on the ray produces that same pixel
\(\v{r}_P^W = \lambda\,\v{K}_f^{-1}\,\v{r}_p^S\)
click the image to cast a ray