ISO 19148-2021 地理信息--线性参考 Geographic information — Linear referencing

This document specifies a conceptual schema for locations relative to a one-dimensional object as measurement along (and optionally offset from) that object. It defines a description of the data and operations required to use and support linear referencing.
This document is applicable to transportation, utilities, environmental protection, location-based services and other applications which define locations relative to linear objects. For ease of reading, most examples discussed in this document come from the transportation domain.nd edition 2021-04 Geographic information — Linear referencing Information géographique — Référencement linéaire Reference number ISO 19148:2021(E) ？ ISO 2021 ISO 19148:2021(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be re