ISO 19118:2005 specifies the requirements for defining encoding rules to be used for interchange of geographic data within the ISO 19100 series of International Standards.
ISO 19118:2005 specifies
- requirements for creating encoding rules based on UML schemas,
- requirements for creating encoding services,
- an informative XML based encoding rule for neutral interchange of geographic data.
ISO 19118:2005 does not specify any digital media, it does not define any transfer services or transfer protocols, nor does it specify how to encode inline large images.