OGC
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Public Engineering Report OGC 12-105
Copyright © 2012 Open Geospatial Consortium.
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OGC
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OWS-9 - OWS Context evaluation IP Engineering Report
1 Introduction
1.1 Scope
This OGC
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document gives guidelines for using different encodings for OWS Context 1.0. It also summarizes lessons learned in the OGC OWS-9 when working with an OWS
Context document. It covers 2 encodings i.e. ATOM and JSON, and it discusses how OWS Context can be used in an HTML5 application.
This OGC
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document is applicable to clients and servers that are capable of reading or writing an OWS Context.
1.2 Document contributor contact points
All questions regarding this document should be directed to the editor or the contributors:
Name Organization
Joan Masó CREAF
1.3 Revision history
Date Release
Editor Primary clauses
modified Description
2012-08-25 1 Joan Masó
First draft to present in OWS-9 2013-01-07 2
Joan Masó First official version presented on pending
documents.
1.4 Future work
Clause 10, Future work, describes the open issues discovered during the elaboration of this ER and during OWS-9 concerning OWS Context.
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Copyright © 2012 Open Geospatial Consortium.
The main issue is about having a clear recommendation on how to include annotations in OWS Context and fix some schema validation problems that appear when trying to use
GML profiles such as GeoRSS simultaneously with WFS.
1.5 Forward
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The Open Geospatial Consortium shall not be held
responsible for identifying any or all such patent rights.
Recipients of this document are requested to submit, with their comments, notification of any relevant patent claims or other intellectual property rights of which they may be
aware that might be infringed by any implementation of the standard set forth in this document, and to provide supporting documentation.
2 References
The following documents are referenced in this document. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. For
undated references, the latest edition of the normative document referred to applies.
OGC 12-080 OGC
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OGC OWS Context Standard. Conceptual Model OGC 12-084 OGC
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OWS Context Standard. ATOM Encoding In addition to this document, this report includes several XML Schema Document files as
specified in Annex A.
3 Terms and definitions
For the purposes of this report, the definitions specified in Clause 4 of the OWS Common Implementation Standard [OGC 06-121r3], the OGC OWS Context Conceptual Model
[OGC 12-080] and the OGC OWS Context ATOM Encoding Specification [OGC 12- 084] shall apply. In addition, the following terms and definitions apply.
3.1
annotation Any marking on illustrative material for the purpose of clarification.
[ISO19117:2005 Protrayal]
An association between an annotation entity e.g. a text label and an image or some geometric “region” within the image.
[OGC 05-047r3 GMLJP2]
Copyright © 2012 Open Geospatial Consortium.
3 An illustrative feature overlapped to a map and anchored to a geospatial feature, a part of
it or a spatial region for the purpose of clarification.
3.2
nominal scale denominator
Ratio between the size of a feature in CRS coordinates and the size of a feature in a screen that has a pixel size of 0.28mm
4 Conventions
4.1 Abbreviated terms
