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Subdivision of polygon
Test to find out the visibility of a single surface are made through comparing surfaces that as polygons P along regarding a specified screen area A. There are four types of possibilities as:
i. Surrounding polygon: Polygon which completely comprises the area as in the figure (a).
ii. Intersecting or overlapping polygon: Polygon which intersects the area as in the figure (b).
iii. Contained polygon: polygon which is completely comprised inside the area as in the figure(c).
iv. Disjoint polygon: Polygon which is totally outside the area as in the figure (d).
The classification of the polygons inside a picture is the major computational expense of the algorithm and that is analogous to the clipping algorithms also. Along with the utilization of any one of the clipping algorithms there a polygon in category two as intersecting polygon that can be clipped into a comprised polygon and a disjoint polygon as in the figure 10. Thus, we could proceed as whether category 2 was removed.
What happens while two polygons have similar z value and the z-buffer algorithm is utilized? Solution : z-buffer algorithms, varies colors at a pixel if z(x,y)
Problems at Shared Vertices - Modeling and Rendering Shading discontinuities can arise while two adjacent polygons fail to share a vertex which lies along their common edge.
Orientation Dependence - Modeling and Rendering The outcomes of interpolated-shading models are dependent of the projected polygon's orientation. Because values are interpolat
I need different convincing virtual environments (2D and 3D) that alter size perception. In particular, for 2D environment or background, when any object is augmented with the 2D e
Random Scan Display Device The original cathode ray tube, developed in the late fifties and early sixties, produced charts and pictures, line through line on the tube surface
How character can generate
how to edit an image?
Question 1 Discuss the overview of multimedia networks Question 2 Discuss the types of synchronization in multimedia system >> Basic synchronization issues Content R
Traditional Animation techniques as: 1) Key Frames 2) Cel Animation Formula: Required Key frames for a film = {[Time(in seconds)]
What is meant by Addressability? Ans. Addressability is the number of individual dots per inch (d.p.i.) that can be formed. If the address of the current dot is (x, y) then the
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