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Midpoint circle generation algorithm
This makes use of a circle function. Based on this circle function, a decision parameter is created which is used to decide successive pixel positions. Pixel positions are computed only in one octant because of the symmetry of the circle. On the seven other quadrants, pixels are generated by reflection about the lines parallel to the axes and y = ± x and passing through the center of the circle.
Ray Casting -polygon rendering and ray tracing methods It is a method wherein the surfaces of objects visible to the camera are determined by throwing or say casting rays of
Determine the advantages of raster-scan systems (i) Rasterisation is now performed faster since a special purpose processor is used. (ii) The CPU is not slowed down by the
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)
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How to utilize illumination model to calculate vertex intensity: For such we interpolate intensities beside the polygon edges, for all scan line the intensity at the intersecti
WHAT IS PAINTERS ALGORITHM?
types of character generation techniques
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Notes for Specular reflection (1) In addition to diffuse reflection, light sources produce highlights or bright spots termed as specular reflection. Such highlighting is extre
QUESTION You are employed as a graphics designer in an advertising agency and recently completed a brochure artwork for a client. You need to send the file for printing before
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