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FGDC Metadata XML Schema 1.0.0 20030801
This is the XML Schema for formal metadata, metadata conforming to
the Content Standards for Digital Geospatial Metadata of the Federal
Geographic Data Committee. This schema corresponds to the June,
1998 version of the standard, FGDC-STD-001-1998.
This file is the primary XML Schema and loads the definitions for
sections 1-10 of the standard from separate schema modules.
Element names:
Element names are a maximum of 8-characters long, to coincide
with the Reference Concrete Syntax.
Element ordering:
Generally the order of elements is now significant. XML makes
it difficult to write a DTD that allows elements to be in any
order. Although XML Schemas do not have this restriction, it
was decided to keep the significance of element order in order
not to break the DTD validity of XML-encoded metadata files.
Authors:
Richard E. Rathmann (PSGS/NOAA Coastal Services Center,
Charleston, SC) with assistance from Mike Moeller (PSGS/NOAA
CSC) and Doug Nebert (Federal Geographic Data Committee).
Revisions:
20020826 (RER) Locally scoped the definition of "onlink" in
Section 7 (7.11.1) within "metextns" (7.11)
rather than referencing "onlink" definition in
Section 8 (8.10).
20030801 (RER) Removed 'xml:space="preserve"' from all
'xsd:documentation' elements. I originally put
this in to say "whitespace is significant", but
both XML Spy and IBM's Schema Quality Checker
complain about them.
20030801 (RER) Corrected the second regular expression pattern
for the "FGDCtime" simple type in this schema
module. The "-" in the "[+-]" character class
for the sign character needed to be escaped, as
in "[+\-]".
20030801 (RER) Changed types of "srcused" (2.5.2.2) and "srcprod"
(2.5.2.5) in Section 2 to reference the type
defined for "srccitea" (2.5.1.5) to comply with
XML Schema constraint that key/keyref field
value pairs be of the same type.
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LOADING OF SCHEMA MODULES FOR SECTIONS 1-10 AND BASE TYPES
Import base types.
Import section 1 module.
Import section 2 module.
Import section 3 module.
Import section 4 module.
Import section 5 module.
Import section 6 module from base standard.
Import section 7 module from the base standard.
Import section 8 module from the base standard.
Import section 9 module from the base standard.
Import section 10 module from the base standard.
Import the platform and mission module.
Import the instrument information module.
Element: Metadata
Section: 0
Description: data about the content, quality, condition, and other characteristics of data.
Metadata
Element: Identification Information
Section: 1
Description: basic information about the data set.
Identification Information
Element: Data Quality Information
Section: 2
Description: a general assessment of the quality of the data set. (Recommendations on information to be reported and tests to be performed are found in "Spatial Data Quality," which is chapter 3 of part 1 in Department of Commerce, 1992, Spatial Data Transfer Standard (SDTS) (Federal Information Processing Standard 173): Washington, Department of Commerce, National Institute of Standards and Technology.)
Data Quality Information
Element: Spatial Data Organization Information
Section: 3
Description: the mechanism used to represent spatial information in the data set.
Spatial Data Organization Information
Element: Spatial Reference Information
Section: 4
Description: the description of the reference frame for, and the means to encode, coordinates in the data set.
Spatial Reference Information
Element: Entity and Attribute Information
Section: 5
Description: details about the information content of the data set, including the entity types, their attributes, and the domains from which attribute values may be assigned.
Entity and Attribute Information