Graphics Systems and 3D Pipeline Quiz
40 Questions
6 Views

Graphics Systems and 3D Pipeline Quiz

Created by
@BountifulCanto

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the display controller in a graphic system?

  • To store color values for images
  • To perform computations for color generation
  • To generate a digital representation of a 2D image (correct)
  • To drive the electro-mechanical arrangements for display

    • Which component is responsible for storing the generated image representation?

  • Video controller
  • Graphics card
  • Video memory (correct)
  • Display processor

    • What role does the video controller play in a graphic system?

  • It generates voltage levels to display images on screen (correct)
  • It interacts directly with the CPU for processing
  • It calculates intensity values for color representation
  • It serves as a separate unit from the GPU

    • What processing unit is specifically designed for graphical operations in a graphic system?

    <p>GPU</p> Signup and view all the answers

    How are color values generated for image representation in the graphic system?

    <p>Through computations performed in stages by the display processor</p> Signup and view all the answers

    What separates the GPU from the CPU in a computer?

    <p>GPU is dedicated to graphical operations, CPU is not</p> Signup and view all the answers

    Which component of the graphic system is not mentioned as part of the processing for generating color values?

    <p>Graphics card</p> Signup and view all the answers

    Why is a graphics card important in a computer's graphic system?

    <p>It integrates multiple components for enhanced graphics processing</p> Signup and view all the answers

    What is the first step in the viewing pipeline?

    <p>Setup of a camera coordinate system</p> Signup and view all the answers

    Which transformation follows the viewing transformation in the viewing pipeline?

    <p>Projection transformation</p> Signup and view all the answers

    What defines the region of objects that will be captured in the projection transformation?

    <p>View volume</p> Signup and view all the answers

    What happens to objects that are located outside the view volume during the projection transformation?

    <p>They are not captured at all</p> Signup and view all the answers

    What is a frustum in relation to the view volume?

    <p>A geometric shape defining the view volume</p> Signup and view all the answers

    Why is a process needed to remove objects outside the view volume?

    <p>To ensure only relevant objects are projected</p> Signup and view all the answers

    In the viewing pipeline, what are the two main stages mentioned?

    <p>Viewing transformation and projection transformation</p> Signup and view all the answers

    How is the world coordinate scene transformed in the viewing pipeline?

    <p>To a camera coordinate scene</p> Signup and view all the answers

    What is the primary purpose of the modeling transformation in the graphics pipeline?

    <p>To transform objects from their own coordinate system to the world coordinate system</p> Signup and view all the answers

    Which stage of the graphics pipeline is responsible for assigning colors to surfaces?

    <p>Lighting or illumination stage</p> Signup and view all the answers

    How does the lighting stage create a sensation of 3D in a rendered scene?

    <p>By applying colors that clarify which surfaces are closer to the viewer</p> Signup and view all the answers

    What is the fourth stage of the graphics pipeline called?

    <p>Viewing transformation stage</p> Signup and view all the answers

    What is the significance of optical laws in the lighting stage?

    <p>They mimic the way color is perceived in reality</p> Signup and view all the answers

    What is the first step in the graphics pipeline?

    <p>Object definition</p> Signup and view all the answers

    What does the mapping from 3D to 2D in the viewing transformation entail?

    <p>Flattening the scene into a single plane</p> Signup and view all the answers

    Which term is synonymous with modeling transformation in the graphics pipeline?

    <p>Geometric transformation</p> Signup and view all the answers

    What is the process of removing objects that are fully outside the view volume called?

    <p>Clipping</p> Signup and view all the answers

    Which operation is performed to determine which surfaces are visible and which are hidden from a specific viewer position?

    <p>Hidden surface removal</p> Signup and view all the answers

    What term is used to describe the area where the scene is projected after clipping and hidden surface removal?

    <p>View plane</p> Signup and view all the answers

    What is the main distinction between a window and a viewport in the viewing pipeline?

    <p>Window defines view coordinates; viewport is the screen display area</p> Signup and view all the answers

    What happens to an object that is partially visible from the viewer's position?

    <p>Only the visible portion is retained</p> Signup and view all the answers

    What is the transformation called that transfers the content from the view plane to the screen display?

    <p>Window-to-viewport transformation</p> Signup and view all the answers

    Which of the following requires additional computations before the final projection of a scene?

    <p>Hidden surface removal</p> Signup and view all the answers

    What will happen to an object that is completely behind another object from the viewer's perspective?

    <p>It will be completely hidden</p> Signup and view all the answers

    Which topic covers the various techniques for representing boundaries in graphics?

    <p>Various Boundary Representation Techniques</p> Signup and view all the answers

    What is the main focus of the topic covering color computation?

    <p>Color computation – basic idea</p> Signup and view all the answers

    Which week includes an introduction to the graphics pipeline in 3D?

    <p>Week 1</p> Signup and view all the answers

    What is primarily discussed in the topic of 'View transformation'?

    <p>Projection of 3D objects onto a 2D plane</p> Signup and view all the answers

    Which technique is associated with reducing visual distortions in graphics?

    <p>Anti-aliasing techniques</p> Signup and view all the answers

    In which topic would you learn about the transformation of shapes within a 3D environment?

    <p>Matrix representation and composition of transformations</p> Signup and view all the answers

    What does the topic on 'Programming with OpenGL' primarily cover?

    <p>Advanced rendering techniques using OpenGL</p> Signup and view all the answers

    Which topic discusses the representation of shapes using parametric curves?

    <p>Spline representation – I</p> Signup and view all the answers

    Study Notes

    Generic Architecture of a Graphic System

    • Three main components: display controller, video memory, and video controller.
    • The display controller converts input from host computers and external devices into a digital 2D image representation.
    • Video memory stores the digital representation, while the video controller converts this into voltage levels for display on a computer screen.
    • Graphics cards typically integrate these components, including the GPU, which handles graphical processing separately from the CPU.

    Color Value Generation Process

    • Color values are computed in stages, leading to their generation for display.
    • The first stage involves defining objects in their own coordinate system.
    • The second stage, known as modeling or geometric transformation, integrates these objects into a world coordinate system.
    • The third stage assigns colors to object surfaces in a scene, enhancing the perception of depth and realism.

    Lighting and Illumination Stage

    • Color perception mimics optical laws and real-world light behavior.
    • Assignment of colors to surfaces creates a 3D sensation in the final image.

    Viewing Transformation Pipeline

    • The fourth stage involves transforming the 3D world scene to a 2D view plane similar to capturing a photograph.
    • This stage includes setting up a camera coordinate system and transferring the world scene to this view coordinate system.

    Projection Transformation

    • A defined region in viewing coordinate space, called the view volume, captures objects within a specific area while excluding others.
    • Clipping processes remove fully or partially outside objects to ensure only relevant elements are projected onto the view plane.

    Hidden Surface Removal

    • As part of generating realistic effects, visible surface detection operations, known as hidden surface removal, determine the visibility of objects based on viewer position and orientation.

    Final Projection and Transformations

    • After clipping and hidden surface removal, the scene is projected onto the defined view plane.
    • A final transformation, called window-to-viewport transformation, adjusts the projection for display on the computer screen, differentiating between the window (view plane) and viewport (actual display region).

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge on the fundamentals of graphics systems and the evolution of graphical technologies. This quiz covers topics from the introduction of graphics to the basics of the 3D graphics pipeline, including historical challenges and advancements in the field. Perfect for those studying computer graphics or related disciplines.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser