The definition of trimmed surface is main content of InitialGraphicsExchangeSpecification(IGES). The format of trimmed surface description in IGES file is discussed in detail.
裁剪曲面是基本图形交换规范(IGES)的主要内容,详细介绍了IGES文件中裁剪曲面的定义格式。
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This paper offers a detailed introduction of the Generalized Multi-List (GML), a data structure defined in the project "the Implementation of InitialGraphicsExchangeSpecification".