The SEDRIS Data Representation Model
APPENDIX A - Classes
Transmittal Root
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Class Name: Transmittal Root
Subclasses
This DRM class is concrete and has no subclasses.
Definition
The hierarchical root of all objects in a single SEDRIS transmittal. As
such, it is the basic unit of interchange. The content of a transmittal
can be as simple as a single <Model>, or as complex
as a complete
representation of a large geographic area with all of the
<Models>,
terrain, atmospheric, and oceanographic data necessary to simulate an
environment.
Primary Page in DRM Diagram:
Secondary Pages in DRM Diagram:
This class appears on only one page of the DRM class diagram.
Example
- SIMNET databases such as Grafenfels and Ft. Knox.
FAQs
- How can I determine which version of the data representation model
(DRM) I am using?
- The Level 0 API has a function that provides this information:
SE_GetTransmittalVersionInformation()
- How can I determine which version of the Environmental Data Coding
Specification (EDCS) I am using?
- The Level 0 API has a function that provides this information:
SE_GetTransmittalVersionInformation()
Constraints
None.
Composed of (two-way)
Composed of (two-way metadata)
Inherited Field Elements
This class has no inherited field elements.
Notes
Composed of Notes
When used here, the time_significance field of <Base Time Data>
shall not be set to SE_TIME_SIGNIFICANCE_CONTEXT_DETERMINED.
Fields Notes
1 or greater
between 0 and 99, inclusive
'\0' for none; between 'a' and 'z' inclusive, for an UNOFFICIAL,
INTERIM model
1 or greater
between 0 and 99, inclusive
'\0' for none; between 'a' and 'z' inclusive, for an UNOFFICIAL,
INTERIM model
individuals who contributed to the transmittal (Optional)
Prev: Translucency Control Link.
Next: Transmittal Summary.
Up:Index.
Last updated: October 1, 2002
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Copyright © 2002 SEDRIS
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