Computer Animation Shading and Surface Characteristics Quiz
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Questions and Answers

What is the main difference between reflection maps and environment maps?

  • Reflection maps are applied to one 3D surface at a time, while environment maps are projected on all objects with reflective surface characteristics in the scene. (correct)
  • Reflection maps are monochromatic, while environment maps can have multiple colors.
  • Reflection maps determine the brightness values of an object, while environment maps determine the shininess of an object.
  • Reflection maps alter the orientation of surface normals, while environment maps affect the surface itself.

    • How does bump mapping simulate roughness on a smooth surface?

  • By adjusting the brightness values of the surface to simulate roughness.
  • By changing the color values of the surface without affecting the orientation of the surface normals.
  • By physically modifying the surface to create roughness.
  • By altering the orientation of the surface normals without affecting the surface itself. (correct)

    • What do the darkest and lightest values in a bump map represent?

  • The darkest values represent the rough areas, and the lightest values represent the smooth areas in the simulated texture.
  • The darkest values represent the smooth areas, and the lightest values represent the rough areas in the simulated texture.
  • The darkest values represent the valleys, and the lightest values simulate the peaks in the simulated texture. (correct)
  • The darkest values represent the peaks, and the lightest values simulate the valleys in the simulated texture.

    • How are brightness values used in reflection maps?

    <p>Dark or light values in a reflection map can be used to determine which parts of the object will be fully reflective.</p> Signup and view all the answers

    What does the specular level map in 3ds max indicate about shininess?

    <p>White indicates a shininess of 1, gray indicates a shininess of 0.5, and black indicates a shininess of 0.</p> Signup and view all the answers

    Reflection maps are usually applied to one 3D surface at a time, while environment maps are projected on all the objects with reflective surface characteristics in the scene and not just on one particular object

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

    Brightness values in a reflection map can be used to determine which parts of the object will be fully ______, with dark or light values indicating the level of reflectivity

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

    Specular level map in 3ds max indicates ______ with white for 1, gray for 0.5, and black for 0, representing different levels of ______

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

    Environment maps can be thought of as a special type of ______ion map because they ______ not only the objects surrounding the mapped object but also the environment surrounding the ______ive surfaces

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

    Bump mapping simulates roughness on a smooth ______ not by affecting the ______ itself but by altering the orientation of the ______ normals, causing the light to be reflected in several directions

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

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