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The hand-held pointer and tablet in the form of a stylus i.e. pen or puck can function one or more of these three functions:
(i) For choosing positions on a drawing or on a menu on the screen through moving the stylus on the tablet, in a sense utilizing the stylus and tablet as pen on the paper.
(ii) For giving a command or to input a parameter through pressing the stylus at particular pre-programmed locations of a menu on the tablet.
(iii) For digitizing the location on a map or drawing placed upon the tablet along with the stylus or puck.
Rotation about z-axis - Transformation for 3-d rotation Rotation about z-axis is explained by the xy-plane. Suppose a 3-D point P(x,y,z) be rotated to P'(x',y',z') along with
Enumerate the use of Data goggles- Virtual Reality Data goggles/helmets - These use optical systems and display screens which send 3D images to the eyes. Motion sensors mea
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What is meant by Addressability? The Addressability is the number of individual dots per inch (d.p.i) that can be formed. If the address of the current dot is (x, y) then the
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2D Shape Primitives You have already learnt to plot a point or a pixel on any display device. In this unit, we shall introduce you to various devices available for data input o
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