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Basic Approaches for Visible Surface Determination
There are two basic approaches for visible-surface determination, as per if they deal along with their projected images or along with object definitions directly. These two approaches are termed as image-space approach and object-space approach, correspondingly. Object space processes are implemented in the physical coordinate system wherein objects are explained whereas image space processes are implemented in screen coordinate system wherein the objects are viewed. In both cases, we can imagine of each object like comprising one or more polygons as or more complicated surfaces.
Applications of Computer Graphics When you begin using a computer and open an application, you simply click on a graphics object, called icon. When you watch TV, several times
Touch Panels - Input and output devices It allows displayed screen or object positions to be selected along with the touch of the finger and is also termed as Touch Sensitive
Q: For the following polygon, prepare an initial sorted edge list and then make the active edge list for scan lines y = 5,20,30,35 Coordinates of the vertices are as shown in Figur
Object Oriented Tools: In such authoring systems, multimedia components and events turn into objects that live in hierarchical order of parent and child relations. Messages are pa
Explain the different input modes used in interactive computer graphics.
Light Pen - input and output devices It is a pointing device. This has a light sensitive tip that is excited while the light is emitted and an illuminated point upon the disp
Problem : a. (i) Give another name for adjacent color. (ii) Describe briefly what do you understand by an adjacent color? b. (i) Describe briefly what do you unders
2-dimensional xy-shearing transformation, as explained in equation (19), can also be simply extended to 3-dimensional case. All coordinates are translated as a function of displace
Single Point Perspective Transformation - Viewing Transformations In order to derive the particular point perspective transformations beside the x and y-axes, we construct fi
Scale a sphere cantered on the point (1, 2, and 3) with radius 1, so that the new sphere has the same centre with radius 2. Solution: Translate the sphere so that its centre
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