What is texture mapping

Question 1

Texture mapping

Answer 1

Technique to handle variations in reflectence
Stores the reflectence as a pixel based image and maps it onto the surface of the object

Question 2

Texture Lookup

Answer 2

Used by the shader to get the colour of the texture of the shading point, and use it as the diffuse component of the lambertian shading model

Question 3

Define texture

Answer 3

Bitmap image
2D array

Pixels of the texture –> texels

Question 4

When does texture distortion occur

Answer 4

when care isn’t
taken to ensure that each texel area correctly corresponds to a single
pixel area,

Question 5

Rasterization

Answer 5

Process that converts vector graphics (lines and curves) into a bitmap image.

determining which pixels should approximate the quad

Question 6

Texture mapping function

Answer 6

function that maps from the surface to the texture that we can easily
compute for every pixel