Vocab #4

Got another vocab assignment that I have to do, and once again I have to come up with a way to say the definition in my own words and I need pictures to go with it. This time however, I have a larger list of words that I have to work with.

Displacement Mapping: A mapping technique used in computer graphics that uses a texture height map.

Bump Mapping: A mapping technique used in computer graphics that is often used to create bumps or wrinkles on the surface of an object.

Rendering: The use of color and shading to outline an object and make it seem three-dimensional.

Alpha Channel: A mask that decides how colored pixels merge with surrounding colored pixels.

NURBS vs Polygons: NURBS are models used in computer graphics to represent curves and surfaces. Polygons are figures with at least three sides, edges, and vertices . In computer graphics, NURBS have more faces while polygons only have enough faces to create the shape.

Tiling: A way of arranging identical shapes so that they competely cover an area without overlapping.

Skinning: The covering of an object with a "skin".

Aperture: A gap or hole that allows for the passage of light.

Shutter Speed: The amount of time that a shutter is open when taking a picture.

Focal Legnth: The space between a lense and it's focus.

Dolly: The movement of  a camera on a mobile platform.

Pan: The movement of a camera on a vertical or horizontal plane usually used to follow a subject.