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Disadvantages:
1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer.
2) Dependency of device and memory intensive.
3) Wasted calculation upon drawing distant points such are drawn over along with closer points which occupy the similar pixel.
4) Spends time when rendering polygons such are not visible.
5) Needs re-calculations while changing the scale.
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)
explain the registers used in video controller
Other Video File Formats: There are several the other formats for storing video in the digital formats. Such formats are usually used for the storage and viewing of video through
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
Three-Dimensional Viewing Three dimensional objects are created using modelling coordinate system. The modelled objects are then placed in locations specified in the scene with
Remember in polygonalization of the surface, following rules must be followed. Any two polygons (i) share a common edge, (ii) Share a common vertext, (iii) Arc disj
What are the Developments of CAD Now CAD packages can be linked to 3D ink jet printers which produce an actual prototype model by building up layers/slices in fine powder (suc
De Casteljeau algorithm: The control points P 0 , P 1 , P 2 and P 3 are combined with line segments termed as 'control polygon', even if they are not actually a polygon although
gouroud vs phong
After going through this section, you should be capable to: know the meaning of Visible-surface detection; distinguish among image-space and object-space approach for vi
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