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Types of Curves/Surface (2)

Implicit

Curve defined in terms of cartesian coordinates:

f( x, y) = 0

f( x, y, z) = 0

Ax + By + C = 0

Ax + By + Cz + D = 0

(x - x0)2 + (y - y0)2 - r2 =  0

(x - x0)2 + (y - y0)2 + (z - z0)2 - r2 =  0

Useful in maths, not so useful in computer, except to define inside and outside :

eScience
< Computer Graphics : Spline >
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Pascal Vuylsteker / eScience / Computer Science / ANU 		Last modified: 20/4/2004
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