General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 18617.1-2002
Scope
This standard specifies general principles for organizing layer structures in CAD files. Layers are used to control the visibility of data in CAD files and to manage and exchange data, and should be used to express its structure. These principles of this standard apply to all aspects of the preparation and use of technical documentation in computer systems. Although these principles are general to users, developers of CAD systems are expected to provide documentation that implements and supports this part of this standard. software tools. In addition, another important use of these principles is to guide how to structure data in sub-libraries developed by third parties.
GB/T 18617.1-2002 history
2002GB/T 18617.1-2002 Technical product documentation-organization and naming of layers for CAD-Part 1:Overview and principles