By Barry G. Blundell

ISBN-10: 1848000413

ISBN-13: 9781848000414

This ebook introduces the basics of 2-D and three-D special effects. also, quite a number rising, inventive 3-D exhibit applied sciences are defined, together with stereoscopic platforms, immersive digital truth, volumetric, varifocal, and others.

Interaction is a crucial point of recent special effects, and matters relating interplay (including haptic suggestions) are mentioned. incorporated with the publication are anaglyph, stereoscopic, and Pulfrich viewing glasses. subject matters coated comprise: - crucial arithmetic, - important 2-D and three-D snap shots recommendations, - key positive factors of the pix, - pipeline, - reveal and interplay suggestions, - very important historic milestones.

Designed to be a middle educating textual content on the undergraduate point, available to scholars with wide-ranging backgrounds, purely an simple grounding in arithmetic is thought as key maths is supplied. usual ‘Over to You’ actions are integrated, and every bankruptcy concludes with evaluate and dialogue questions.

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Additional info for An Introduction to Computer Graphics and Creative 3-D Environments

Example text

This system therefore supported a high degree of interaction and enabled the user to directly manipulate graphics components by means of devices such as the light pen. Throughout the 1960s and early 1970s, the electronic display system used for image depiction was largely based on the ‘vector graphics’ technique. Eventually, this was superseded by the bitmap approach which forms the basis for the modern computer display paradigm. In the next section we briefly discuss aspects of these two techniques and thereby provide an insight into various display characteristics that are of importance in the design and development of computer graphics applications.

Given that the focusing system of the eye and retina are separated by a distance v, then on the basis of similar triangles, we can write: hi ho = v u Thus the size of the image formed on the surface of the retina (h i ) depends on the height of the object and its distance from the eye (we can assume that v is the same for all observers). 11 Quoted in Kemp [1978]. 8 Prior to the Italian Renaissance period, images created on a 2-D tableau often failed to convey a natural sense of perspective. In (a) a painting (depicting the execution of Sainte Valérie) is reproduced.

One of the major advances that enabled the widespread proliferation of affordable computer graphics systems was the transition from the vector graphics approach to the bitmapped technique. In this section we briefly described aspects of these two display modalities. However, before examining their underlying principles of operation, it is necessary to briefly refer to several issues relating to the refresh of images depicted on some forms of display and to introduce a little associated terminology.

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