Frequently Asked Questions (FAQ)
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Theory FAQ
Data Representation Model Content FAQ
SEDRIS Usage FAQ
Data Interchange FAQ
Comparison FAQ
EDCS FAQ
Real-Time Simulation FAQ
Version Numbering FAQ
Creating CTDBs FAQ
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Theory FAQ
What is the Synthetic Environment?
What is representational polymorphism?
What is the difference between a data representational model and a data format?
What is topology, why is it needed and who uses it?
Data Representation Model Content FAQ
Briefly describe the SEDRIS data representation model and how it is organized.
Why does SEDRIS show/contain a "tank" model within the data representation model?
The submarine world doesn’t include targets or weapon systems as a part of the ocean environment.
How does SEDRIS represent different items such as a tree or sound velocity profile (SVP)?
What do environmental databases contain?
Are they like a MicroSoft
®
Access database?
Why are there many ways to organize objects in SEDRIS?
SEDRIS Usage FAQ
Does a data provider have to fully populate the data representation model to generate a transmittal?
Does SEDRIS solve the interoperability and correlation problem?
How do I get training in the use of SEDRIS?
Is SEDRIS used for the generation of environmental databases?
What if the kind of representation that I need is not in SEDRIS?
Data Interchange FAQ
How were environmental data interchanges performed in the past?
How are they now done with SEDRIS?
Comparison FAQ
How is SEDRIS different from VRML?
How is SEDRIS different from Project 2851 and its definition of SIF?
How is SEDRIS different from High Level Architecture (HLA)?
EDCS FAQ
Is the EDCS a tool for the exchange of real-world geo data, or is it focused on simulation with synthetic data?
Is the EDCS intended as a replacement for specialized coding catalogues or formats developed by DIGEST, IHO, WMO, ICAO, etc.?
Real-Time Simulation FAQ
Can the STF format be used as a native format for a real-time aerial (and ground) simulation with no performance hit in comparison, for example, to running with OpenFlight or CTDB formats, or is the STF only a means to exchange data from different native terrain database formats such as OpenFlight and NIMA DTED?
Version Numbering FAQ
What is the reasoning behind SEDRIS version numbering and how does this affect software compatibility?
Creating CTDBs FAQ
How can I find information on the Compact Terrain Database (CTDB) format?
How do I convert formats such as Vector Product Format (VPF) and Digital Terrain Elevation Data (DTED) into STF, so that I can then use the STF to CTDB Converter to create CTDBs?
What if I also need to include Food and Agriculture Organization (FAO) Soils, and Global Land Cover Characteristics (GLCC)?
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Last updated: May 16, 2005