Hi,
Can some body plz guide me how the values of xp and yp in case of oblique parallel projection is equal to:

xp= x + L cos (phi)
yp= y + L sin (phi)



This is mentioned in slide 50 of following link:
http://ae.sharif.edu/~aerocad/3D%20Viewing.pdf

I would be glad to hear from some body in this regard.

Zulfi.

 

Hi,
I found the solution of this problem at:
http://www.thephysicsforum.com/mathematics/5760-problem-oblique-projection-derivation.html

Zulfi.