So i thought i would show how i have learnt how to composite through the use of render passes using maya and nuke. This tutorial on digital tutors was an excellent video and has taught me a lot. I am thankfull for this tutorial and how easy it was to follow.
Reference: Digital Tutors (2010) Compositing 3D into Video in Maya and NUKE. Available at: http://www.digitaltutors.com/tutorial/299-Compositing-3D-into-Video-in-Maya-and-NUKE (Accessed: 2 December 2015).