An Introduction to Computer Graphics and Creative 3-D by Barry G. Blundell

By Barry G. Blundell

This e-book introduces the basics of 2-D and three-D special effects. also, a number rising, inventive 3D reveal applied sciences are defined, together with stereoscopic structures, immersive digital fact, volumetric, varifocal, and others.

Interaction is an important point of recent special effects, and matters touching on interplay (including haptic suggestions) are mentioned. integrated with the ebook are anaglyph, stereoscopic, and Pulfrich viewing glasses. issues coated contain: - crucial arithmetic, - important 2-D and 3D photographs innovations, - key positive aspects of the pics, - pipeline, - exhibit and interplay thoughts, - vital historic milestones.

Designed to be a middle educating textual content on the undergraduate point, obtainable to scholars with wide-ranging backgrounds, merely an user-friendly grounding in arithmetic is believed as key maths is supplied. standard ‘Over to You’ actions are integrated, and every bankruptcy concludes with overview and dialogue questions.

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Extra resources for An Introduction to Computer Graphics and Creative 3-D Environments

Sample text

It is instructive to consider their general principle of operation. Such a discussion not only provides an additional insight into the evolution of modern computer graphics but also (and perhaps more importantly) provides additional understanding of the strengths and weaknesses of the bitmapped graphics technique that almost universally underpins the operation of today’s computer display. In the case of the vector graphics technique, objects depicted on the display are represented as a series of lines or polylines.

The colour CRT employs three electron beams that are simultaneously scanned across the surface of the screen in the manner outlined in points 1 to 7 above. Three different types of phosphor are deposited on the surface of the screen. One of these gives rise to the emission of red light, the second green, and the third blue. We can consider each pixel to comprise three sub-pixels – each of a particular primary colour. Complexity in the implementation of the colour CRT arises when we consider how we can lay Chapter 1 .

The filling process can be very demanding in terms of the number of lines and polylines which Chapter 1 . 23 The display screen comprises an array of individually addressable ‘dots’ (pixels). There is a one-to-one mapping between locations in video memory and screen pixels. Thus changing the value stored in a memory location will result in a change in the colour/illumination of a corresponding pixel. All screen pixels are identical in size and shape. must be drawn to give the impression of uniform illumination.

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