Photo Manipulation Questions.

[metalman]

method #1
use grid points to convert points on curved surface to a flat sheet layout by triangulation

Method #2
Make a transparency of logo,
project onto a curved surface that matches the original surface and angle of photo.
trace the projected image.

[metalman]

 You need to do the triangulation to know how much to skew, and stretch to get back to the origonal flat sheet image.