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Example: eye at z = 0, farther objects have increasingly positive values, between 0 and 1 1. Initialize (clear) every pixel in the z buffer to 1.0 2. Track polygon …

Back Face Algorithm Back Face detection, also known as Plane Equation method, is an object space method in which objects and parts of objects are compared to find out the …

Depth Cueing Hidden surfaces are not removed but displayed with different effects such as intensity, color or shadow for giving hint for third dimension of the object. It is called …

Hidden surface and hidden surface detection Hidden surfaces are that objects which are behind from the objects closer to eye and we can not see with eye. The identification and …

Parallel Projection Basic Principles: – The parallel projection used  by drafters and engineers to create working  drawings of an object which preserves its scale and shape. The complete representation  of …

Perspective Projection Perspective projections are used to produce images which look natural.When we view scenes in everyday life far away items appear small relative to nearer items. Basic Principles: -The …

Taxonomy of Projection  

Define Transformation and Projection The transformation of points from a coordinate system in n dimensions to a coordinate system in m dimensions where m<n. There are fundamental differences between the …

Rasterization (Scan Conversion) The process of representing continuous graphics object as a collection of discrete pixels by identifying their locations and setting them on is called Scan Conversion. The process …

2D graphics pipeline block diagram