973 Foundation of China (G19980306007) National Natural Science Foundation of China (G1999014115, 60473108) Outstanding Young Teacher Foundation of Educational Department of China (60073038) Doctoral Program Foundation of Educational Department of China.
The conditions for G1 continuity between two adjacent bicubic B-spline surfaces with double interior knots along their common boundary curve are obtained in this paper, which are directly represented by the control po...
Some practical problems in designing the outline of hidden airplane require to construct high-order surfaces with at least second order continuity. The high-order smooth surfaces'construction has been always a difficu...