Class Name: Transmittal Root

Superclass - <SEDRIS Abstract Base>

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:

• 1

Secondary Pages in DRM Diagram:

Example

1. 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

Composed of (two-way)

• zero or one <Attribute Set Table Library> instance
• one or more <Base Time Data> instances (notes)
• zero or one <Colour Table Library> instance
• zero or one <Data Table Library> instance
• zero or more <Environment Root> instances
• zero or one <Image Library> instance
• zero or one <Model Library> instance
• zero or one <Reference Origin> instance
• zero or one <Sound Library> instance
• zero or one <Symbol Library> instance
• one <Transmittal Summary> instance

Composed of (two-way metadata)

• one <Access> instance
• zero or more <Browse Media> instances
• one <Citation> instance
• zero or more <Cross Reference> instances
• one <Data Quality> instance
• one <Description> instance
• one <Keywords> instance
• one <Point Of Contact> instance

Inherited Field Elements

Field Elements

Notes

Composed of Notes

Base_Time_Data

 For each such <Base Time Data> instance, the time_significance field
 shall not be set to SE_TIME_SIGNIFICANCE_CONTEXT_DETERMINED.

Fields Notes

major_DRM_version

 This value shall be 1 or greater.

minor_DRM_version

 This shall be between 0 and 99, inclusive.

interim_DRM_version

 This shall be '\0' for none; between 'a' and 'z' inclusive,
 for an UNOFFICIAL, INTERIM model.

major_EDCS_version

 This value shall be 1 or greater.

minor_EDCS_version

 This shall be between 0 and 99, inclusive.

interim_EDCS_version

 This shall be '\0' for none; between 'a' and 'z' inclusive,
 for an UNOFFICIAL, INTERIM model.

credits

 If provided, this identifies individuals who contributed to
 the transmittal.