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Perspective Projections - Transformation
In this projection the center of projection is at limited distance. This projection is termed as perspective projection since in this projection faraway objects seem small and also nearer objects look bigger. Notice Figure 15 and 16. Commonly, the plane of projection is considered as Z=0 plane.
Functioning of hardcopy devices and Output primitives 1. Functioning of hardcopy devices-laser printers and dot matrix printers, plotters. 2. Output primitives: Graphics
What do you mean by scan conversion? A main task of the display processor is digitizing a picture definition given in an application program into a set of pixel-intensity valu
Distinguish between bitBlt and pixBlt? Raster functions that manipulate rectangular pixel arrays are usually referred to as raster ops. Moving a block of pixels from one locat
Illustration 1: How does the z-buffer algorithm find out which surfaces are hidden? Solution : Depth or Z-buffer algorithm employs a two buffer area each of two-dimensional ar
What is the advantages of electrostatic plotters? Advantages of electrostatic plotters: They have very high quality printers and faster than pen plotters. Recent electros
Distinguish between parallel and perspective projection Parallel Projection Perspective projection Coordinate position are transformed
Education, Training, Entertainment and Computer Aided Design CAD or CADD is an acronym which depending upon who you ask, can stand for: I. Computer Assisted Design. II.
what is region filling? give details
Scan line algorithm and seed fill algorithm Two basic approaches are followed in area filling on raster systems. In the first approach overlap intervals for scan lines that cr
Three dimensional display methods: Among the simplest three dimensional surface representations are the polygonal surfaces. A polygonal surface is described by vertices
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