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Output Primitives and Geometric Transformations
You learnt how some basic geometric objects such as line segments, circles, ellipses and other curves are processed for plotting on a display unit. In most of the graphics packages you will find that polygons are also used as standard output primitives. Filled polygons with single solid color (or other alternatives for filling the interior) are provided as shape primitives.
"Random Painter" uses an array to store a collection of randomly coloured shapes, either squares or circles as filled shapes or outlines. Using an array imposes severe limitati
Boundary Fill Algorithm Boundary fill algorithm is suitable when the boundary has single color while flood fill algorithm is more suitable for filling regions which are defined
Traditional Animation Techniques - Computer Animation Before the advent of computer animation, each animation was done via hand that involves an enormous amount of work. You
Simulation: There are several things, places and events people cannot witness in first person. There are a lot of causes for this. Several may happen too rapidly, several may be t
Midpoint Circle Generation Algorithm Just as a line drawing algorithm approximates infinite number of points on a line segment by only a finite number of pixels, a circle dra
Advertising: One of the most well known uses for computer animation is in television advertising. Many of the models which the commercials would call for would be extremely compli
side-effect of scan-conversion
what is refresh buffer/ identify the content and organisation of the refresh buffer for the case of raster display and vector display.
For orthographic parallel projection: glOrtho(left, right, bottom, top, near, far); glOrtho2D(left, right, bottom, top); Here left, right define the x-direction ex
What is the use of control points? Spline curve can be specified by giving a set of coordinate positions known as control points, which shows the general shape of the curve, c
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