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B¨|zier curves with shape parameter |
WANG Wen-tao, WANG Guo-zhao |
Department of Mathematics, Zhejiang University, Hangzhou 310027, China |
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Abstract In this paper, B¨|zier basis with shape parameter is constructed by an integral approach. Based on this basis, we define the B¨|zier curves with shape parameter. The B¨|zier basis curves with shape parameter have most properties of Bernstein basis and the B¨|zier curves. Moreover the shape parameter can adjust the curves?ˉ shape with the same control polygon. As the increase of the shape parameter, the B¨|zier curves with shape parameter approximate to the control polygon. In the last, the B¨|zier surface with shape parameter is also constructed and it has most properties of B¨|zier surface.
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Received: 20 January 2004
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