EFFECTS

ALPHA CHANNELS

  

  

This is a portion of each pixel's data that is 

saved for transparency information. A 32 - bit 

graphics systems contain four channels;red, 

green, and blue (RGB) and one alpha channel. 

The alpha channel is in fact only a maskand it 

specifies how the pixel's colours should be 

merged with another pixel when the two are 

overlaid, one on top of the other.

OFFSET

 

 A horizontal or sloping surface formed

 where a wall is reduced in thickness towards the top.

 

LIGHTING EFFECT

 

The distribution of lighting on an object .

Our group incorporated the use of spotlight 

and omni light to cast onto the images.