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What is scaling and shearing?
The scaling transformations alters the shape of an object and can be carried out by multiplying every vertex (x,y) by scaling factor Sx, Sy where Sx is the scaling factor of x and Sy is the scaling factor of y.
The shearing transformation in fact slants the object along the X direction or the Y direction as needed.ie; this transformation slants the shape of an object with a required plane.
Consider a raster system with the resolution of 1024 x 768 pixels and the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must have
1. Distinguish among Scan line polygon fill and Seed fill or Flood fill algorithm? Scan Line Polygon Flood Fill Algorithms ?1. This
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
Constant intensity shading OR Flat shading In this technique particular intensity is calculated for each polygon surface that is all points that lie upon the surface of the
Assumptions for Polygon or Area Clipping Algorithm Assumption: The viewport and window are rectangular. So only, by identifying the maximum and the minimum coordinates t
What is a dot size and interdot distance? Dot size may be explained as the diameter of a single dot on the devices output. Dot size is also known as the Spot size. Interdo
what are the advertising effects of scan conversion
Explain Positioning Techniques in computer Graphics in detail
Algorithm (scan-line): For each scan line perform from step (1) to (3). 1) For all pixels on a scan-line, arrange depth [x]=1.0 i.e. max value and Intensity [x] = background
Geometric tables - Polygon Tables 1) Vertex table: Keep vertices' coordinates values in the object. 2) Edge table: Keep pointers back in to the vertex table for identif
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