автор: Chengdu, China and LIESMARS,Wuhan University, Wuhan, China) Gold Christopher (Southwest Jiaotong University

Many disciplines are concerned with manipulating geometric (or spatial) objects in the computer — such as geology, cartography, computer aided design (CAD), etc. — and each of these have developed th …

Many disciplines are concerned with manipulating geometric (or spatial) objects in the computer — such as geology, cartography, computer aided design (CAD), etc. — and each of these have developed th …