Define the terms kinematics and dynamics. Which of the following are applicautio

Question

Define the terms kinematics and dynamics. Which of the following are applicautions of 2D graphics and which are applicautions of 3D graphics? Designing the layout of magazine pages Drawing an image using Microsoft Paint Producing images from a virtual world for a video game In the context of 3D graphics, what corresponds to each of the following items from traditional photography? Explain your answers. Film Rectangle in viewfinder Scene being photographed when using a perspective projection, under what conditions will a sphere in the scene not produce a circle on the projection plane? When using a perspective projection, can the image of a straight line segment ever be a curved line segment on the projection plane? Justify your answer. Suppose one end of an eight-foot straight pole is four feet from the center of projection. Moreover, suppose that a straight line from the center of projection to one end of the pole intersects the projection plane at a point that is one foot from the center of projection. If the pole is parallel to the projection plane, how long is the image of the pole in the projection plane? Explain the distinction between a parallel projection and a perspective projection. Explain the relationship between the image window and the frame buffer.

Explanation / Answer

1) a.2D graphics

b.2D graphics

c.3D graphics

2) a) computer graphics (CG) is uses 3D representation of geomatric data i.e. stored in the computer for the purposes of performing calculations and rendering 2D images. Such images may be stored for viewing later or displayed in real-time.

b) perspective projection produces a projection similar to that seen by the human eye

c) In traditional photography, the secen is photographed but in 3D graphics this techniques does not exist as a physical reality but instead “exists” merely as a collection of data and algorithms. therefore 3D graphics involves “photographing” virtual worlds.

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