The main goal in Matte Painting is to create a photorealistic picture to seamlessly blend
with the rest of the footage. You may use 2D, 3D, Painting, Photo or any combination or trick
as long as itís believable
.All that producers or VFX supervisors
want is that to produce
the matte painting faster and more believable.The common sense
; when you mixing things
together is to watch for light direction, Black Levels, Perspective and scale of different elements.
There is also an interesting answer on how to become a Digital Matte Painter
Also check out the tutorials and available DVDs.
In this scene Stargate digital
has used a combination of 2D, 3D and 2-1/2D