'Plane equidistant' diaporamas de présentation

Conic Sections and Parabolas

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Circles, Ellipses, Curves

Circles, Ellipses, Curves. Soon Tee Teoh CS 116A. Circle. Circle equation: (x-xc) 2 + (y-yc) 2 = r 2 Can use mid-point algorithm to rasterize circle Useful to use polar coordinates: x = xc + r cos q y = yc + r sin q Sweep through q to draw circle: glBegin(GL_LINE_STRIP);

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The Circumference/ Diameter Ratio

D. The Circumference/ Diameter Ratio. A circle is the set of all points on a plane equidistant from a single point The reference point is called the center of the circle A segment drawn from the center to any point on the circle is a radius

604 views • 7 slides