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View Volumes and General Projection Transformations
You have to remember that the view volume is the volume which sets up near and far extents, top and bottom extents and left and right extents. These extents are chosen so that you can eliminate those objects from further processing that are not visible within the view volume. Any object with its defining boundaries beyond these extents will be immediately removed from the display list. For example, in a scene, there could be some very complex objects that are very far and do not contribute much to the scene. In the absence of a far extent plane such objects will remain in the display list and will consume lot of processing time. With these view extents well defined in the beginning, performance of display processing will be much improved.
grids
Representational Animation - Computer Animation This method permits an object to change its shape throughout the animation. There are three sub-types to this. The initial is th
Advantages of the z-buffer method: 1) The z-buffer method or algorithm is easy to apply and it needs no sorting of surface in a scene. 2) In z-buffer algorithm
Functions Available in Animation Packages Some broad functions available in animation packages are as: Object Function to manage and store the object database , where
Variation of Intensity - Modeling and Rendering According to the phong model the variation of Intensity (I) along with α (since I α cos n α) is: i) for shiny surface (
Polygon or Area Clipping Algorithm - Sutherland-Hodgman Algorithm There are different algorithms as Liang-Barsky, Line clipping, Weiler-Atherton Polygon Clipping,
Q. What do you mean by image precision and object precision? Describe z- buffer algorithm for visible surface detection. OR What do you mean by image precision and obj
Interpolation of surface - Polygon Rendering Interpolation of surface normals beside the polygonedge between two vertices is demonstrated above in the figure 15. Here the norm
How avar values generate to get realistic movement There are numerous ways of generating avar values to get realistic movement. One way is to use markers on a real person (or w
Video controller : A Fixed area of the system memory controller for the frame buffer, and the video controller is given direct access to the frame – buffer memory, frame – buffer
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