Computer Science: An Overview (12th Edition)
Computer Science: An Overview (12th Edition)
12th Edition
ISBN: 9780133760064
Author: Glenn Brookshear, Dennis Brylow
Publisher: PEARSON
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Chapter 10, Problem 29CRP
Program Plan Intro

Hidden surface problem:

  • In the pictures with non-transparent objects, the objects cannot be viewed that are behind from objects nearer to eye.
  • These hidden surfaces are to be removed for getting realistic screen image.
  • The removal of such surfaces is known as hidden-surface problem.
  • The methods used for removing hidden surface problem includes:
    • Object space method:
      • It is executed in physical coordinate system.
    • Image space method:
      • It is executed in screen coordinate system.
  • To display a 3D object on 2D screen, the parts visible from chosen viewing point are to be identified.

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Computer Science: An Overview (12th Edition)

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