Supported by the National Natural Science Foundation of China(No.10871208,No.60970097);Graduate Students Scientific Research Innovation Project of Hunan Province(No.CX2012B111);the Postdoctoral Science Foundation of China(No.2015M571931);the Fundamental Research Funds for the Central Universities(No.2017MS121)
A class of spline curves with four local shape parameters, which includes the quartic spline curves with three local shape parameters given in Han [Xuli Han. A class of general quartic spline curves with shape paramet...
Supported by Natural Science Foundation of China(No.10871208,No.60970097)
Adjusting weights as a shape control tool in rational B6zier curve design is not easy because the weights have a global in- fluence. The curve could not approximate control polygon satisfactorily by an interactive man...