Electrical & Electronic Engineering |
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Paths of algebraic hyperbolic curves |
Ya-juan LI, Li-zheng LU, Guo-zhao WANG |
School of Science, Hangzhou Dianzi University, Hangzhou 310018, China; Department of Mathematics, Zhejiang University, Hangzhou 310027, China |
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Abstract Cubic algebraic hyperbolic (AH) Bézier curves and AH spline curves are defined with a positive parameter α in the space spanned by {1, t, sinht, cosht}. Modifying the value of α yields a family of AH Bézier or spline curves with the family parameter α. For a fixed point on the original curve, it will move on a defined curve called “path of AH curve” (AH Bézier and AH spline curves) when α changes. We describe the geometric effects of the paths and give a method to specify a curve passing through a given point.
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Received: 15 September 2007
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