题目内容
(请给出正确答案)
[单选题]
给定一系列顶点:P0P1P2...Pn-1Pn,怎样才能画一条二次B样条曲线,使得它插值端点P0、Pn,且在起点处相切于P0P1,在终点处相切于Pn-1Pn?()
A.增加端点P0/=2P0-P1,Pn/=2Pn-Pn-1
B.将原端点替换为P0/=2P0-P1,Pn/=2Pn-Pn-1
C.增加端点P0/=P0-2P1,Pn/=Pn-2Pn-1
D.将原端点替换为P0/=P0-2P1,Pn/=Pn-2Pn-1
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