# Metadata for Reference System (MRS) Version: 1.0

## Description

MRS 1.0 is an XML Schema implementation derived from ISO ISO 19115-1, Geographic Information - Metadata - Part 1: Fundamentals, Clause 6.5.8. It includes elements for describing Reference Systems. The XML schema was encoded using the rules described in ISO/TS 19139:2007, Clause 8 and implementation approach from ISO/TS19115-3, Clause 8.

## Sample XML files for mrs 1.0

## CodeLists for mrs 1.0

codelists.html codelists.xml

## XML Namespace for mrs 1.0

The namespace URI for mrs 1.0 is http://standards.iso.org/iso/19115/-3/mrs/1.0.

## XML Schema for mrs 1.0

mrs.xsd is the XML Schema document to be referenced by XML documents containing XML elements in the mrs 1.0 namespace or by XML Schema documents importing the mrs 1.0 namespace. This XML schema includes (indirectly) all the implemented concepts of the mrs namespace, but it does not contain the declaration of any types.

NOTE: The XML Schema for mrs 1.0 are available here. A zip archive including all the XML Schema Implementations defined in ISO/TS 19115-3 and related standards is also available.

## Related XML Schema for mrs 1.0

referenceSystem.xsd implements the UML conceptual schema defined in ISO 19115-1, Geographic Information - Metadata - Part 1: Fundamentals, Clause 6.5.8. It was created using the encoding rules defined in ISO 19118, ISO 19139, and the implementation approach described in ISO 19115-3 and contains the following classes (codeLists are bold): MD_ReferenceSystem, and MD_ReferenceSystemTypeCode

## Related XML Namespaces for mrs 1.0

The mrs 1.0 namespace imports these other namespaces:

Name | Standard Prefix | Namespace Location | Schema Location
--- | --- | --- | ---
Geographic COmmon | gco | http://standards.iso.org/iso/19115/-3/gco/1.0 | ../../../../19115/-3/gco/1.0/gco.xsd
Metadata Common Classes | mcc | http://standards.iso.org/iso/19115/-3/mcc/1.0 | ../../../../19115/-3/mcc/1.0/mcc.xsd

## Schematron Validation Rules for mrs 1.0

Schematron rules for validating instance documents of the mrs 1.0 namespace are in mrs.sch. Other schematron rule sets that are required for a complete validation are: mcc.sch, gco.sch, and mcc.sch

## Working Versions

When revisions to these schema become necessary, they will be managed in the ISO TC211 Git Repository.

Written by writeHTMLFiles Version: 2015-06-06 at 2015-06-07T12:11:49.406-05:00