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What is a Blobby object?
Some objects do not handle a fixed shape, but change their surface characteristics in sure motions or when in proximity to other objects. That is called as blobby objects. Instance - molecular structures, water droplets.
Advantages of the Boundary Representation (i) This format gives efficient picture generation and easy access to other geometric information. (ii) The changes produced by mos
Perspective Projections - Transformation In this projection the center of projection is at limited distance. This projection is termed as perspective projection since in this
To find out average unit normal vector at each polygon vertex At each polygon vertex as demonstrated by point V in the figure above, the normal vector is acquired by averaging
Graphic Primitives In previous section, we have discussed refreshing display devices and its categories which are Raster and Random Scan display devices. We have also discusse
Three Dimensional Concepts and Display Methods Imagine yourself taking a picture by a camera. What do you normally do? You specify a viewpoint and view direction and then s
composite transformation
(a) Voltage or Electro-Magnetic Field Tablet and Pointer: This has a grid of wires, embedded in the tablet surface along with various voltages or magnetic fields consequent to va
Q. Explain the concept of area subdivision method. Write the conditions, when no further subdivision is needed and how we can test these condition. Ans. Area Subdivision Th
Horizontal retrace - Display Devices In a refresh CRT monitor, the time it takes for an electron beam to return to the left most point on the next horizontal line after refresh
Example: Exemplify the Bresenham line generation algorithm through digitizing the line along with end points (20, 10) and (30, 18) Solution: m = (y2 - y1)/( x2 - x1) =
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