Update for 10-11-22 21:00

2022-11-10 21:00:01 -05:00 · 2022-11-10 21:00:01 -05:00 · 578215b56c
commit 578215b56c
parent b89b5576fd
1 changed files with 10 additions and 0 deletions
--- a/tech/light_transport.wiki
+++ b/tech/light_transport.wiki
@ -117,3 +117,13 @@ Light output(x, vector w) = Light emitted(x, vector w)
  + Integral of (Light incoming to x from vector w * BRFD(vector w, x vector w
  prime) cos theta dw
  }}}
+
+Problems with above
+
+* The exitant radiance of a point x depends on the incoming radiance of every
+  other point, which also depends on x
+* We cannot solve this integral in closed form
+* The integral is infinite dimensional
+* It is singular
+
+We simply dont know enough to even start