[auscope-geosciml] Geosciml Portrayal abstract

Stephen M Richard steve.richard at azgs.az.gov
Mon Feb 13 10:21:41 EST 2012

Here's a draft for comments.  

Would this be more appropriate in '5.3.05 OneGeology - Supporting
Technology, Tools and Standards' or one of the 5.2 sessions like
'Information Management - applying information exchange standards'


Text of abstract (note authorship-IWG first, SMR second) (also attached as
MS word doc)


IGC abstract:

GeoSciML portrayal - an intermediate path to interoperable web map services

Interoperability Working Group Commission for the Management and Application
International Union of Geological Sciences1, and Stephen M Richard2

1. IUGS CGI, Hannover, Germany;  2. Interoperability Working Group, Tucson,
AZ, United States.

GeoSciML-Portrayal is an OGC GML simple-feature application schema that has
been developed to provide a schema for presentation of geologic map unit,
contact, and shear displacement structure (fault and ductile shear zone)
descriptions in web map services.  The schema establishes naming conventions
for fields used in symbolization schemes. Use of standard vocabulary for
geologic ages and lithology to populate these fields enables map portrayal
using shared legends to achieve visual harmonization of maps provided by
different services. The IUGS CGI Interoperability Working Group has
developed vocabularies for classification of contacts and faults, and
lithology of geologic units (see http://resource.geosciml.org ). Terms for
the age of geologic units and faults are defined by the International
Commission on Stratigraphy (ICS) Stratigraphic Chart (2009). In addition,
the scheme includes text information for human users when browsing a
geologic map, a link to a full GeoSciML feature element (if available), and
a symbol identifier field to enable a user-defined symbolization scheme in
each map service. Most WMS implementations make deployment of a WFS service
using the same schema as a WMS service a simple thing, and binding the
simple feature WMS and WFS allows clients to acquire basic text geologic
feature descriptions that can be used in web-mapping applications to
construct custom legends. Binding with full GeoSciML features allows the
portrayal scheme to be used in a map browsing and query interface to
identify and select features for further processing that can be acquired as
highly structured, information-rich, complex GML features.




Stephen M. Richard

Arizona Geological Survey

416 W. Congress St., #100

Tucson, Arizona, 85701   USA

phone: 520 209-4127

AZGS Main: (520) 770-3500.  FAX: (520) 770-3505

email: steve.richard at azgs.az.gov


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