ISO/IEC 18023-1, SEDRIS -- Part 1: Functional specification
This document addresses the concepts, syntax and semantics for the representation and interchange of environmental data. It specifies a data representation model for expressing environmental data; specifications of the data types and classes that together constitute the data representation model; and an application program interface that supports the storage and retrieval of environmental data using the data representation model. It also specifies topological, rule-based, and other constraints that ensure appropriate data can be available for applications that rely on automatically generated behaviours when interacting with environmental data.
ISO/IEC 18023-2, SEDRIS -- Part 2: Abstract transmittal format
This document specifies the abstract syntax of a SEDRIS transmittal. Actual encodings (e.g. binary encoding) are specified in other parts of ISO/IEC 18023.
ISO/IEC 18023-3, SEDRIS -- Part 3: Transmittal format binary encoding
This document defines a binary encoding for DRM objects specified in ISO/IEC 18023-1 according to the abstract syntax specified in ISO/IEC 18023-2.
ISO/IEC 18024-4, SEDRIS language bindings -- Part 4: C
ISO/IEC 18024-4 specifies a language-dependent layer for the C programming language. ISO/IEC 18023-1 specifies a language-independent application program interface (API) for SEDRIS. For integration into a programming language, the SEDRIS API is embedded in a language-dependent layer obeying the particular conventions of that language.
ISO/IEC 18025, Environmental Data Coding Specification (EDCS)
ISO/IEC 18025:2004 provides mechanisms to unambiguously specify objects used to model environmental concepts. To accomplish this, a collection of nine EDCS dictionaries of environmental concepts and a functional interface are specified.
ISO/IEC 18041-4, EDCS language bindings -- Part 4: C
ISO/IEC 18041-4 specifies the binding of the application programming interface (API) defined in ISO/IEC 18025 to the C programming language. The Environmental Data Coding Specification (EDCS) is a mapping between data and meaning. Data in a system may need to be identified as to purpose, metric and usage. This specification defines a standard set of terms for providing this information. ISO/IEC 18041-4:2007 defines a standard binding for the C computer programming language.
ISO/IEC 18026, Spatial Reference Model (SRM)
ISO/IEC 18026 specifies the Spatial Reference Model (SRM) defining relevant aspects of spatial positioning and related information processing. The SRM allows precise and unambiguous specification of geometric properties such as position (location), direction, and distance. The SRM addresses the needs of a broad community of users, who have a range of accuracy and performance requirements in computationally intensive applications.
ISO/IEC 18042-4, SRM language bindings -- Part 4: C
ISO/IEC 18042-4 specifies a language-independent application program interface (API). For integration into a programming language, the Spatial Reference Model (SRM) API is embedded in a language-dependent layer obeying the particular conventions of that language. ISO/IEC 18042-4:2005 specifies such a language-dependent layer for the C language.