A set of lessons to learn step by step and from the ground up, the most basic techniques used to render photorealistic CG pictures. Best read in chronological order.
A series of lessons on advanced 3D techniques that are used to enhance the realism of CG renders. Lessons can be read in no particular order and individually.
A series of lessons to learn 2D techniques used in applications such as Photoshop to read write and process digital images.
Interpolation is a very commonly used technique in computer graphics.
Bilinear interpolation is used when we need to know values at random position on a regular 2D grid.
Trilinear is a straight extension of the bilinear interpolation technique.
