CDB

Overview

The CDB standard defines a standardized model and structure for a single, “versionable”, virtual representation of the earth. A CDB structured data store provides for a geospatial content and model definition repository that is plug-and-play interoperable between database authoring workstations.  Moreover, a CDB structured data store can be used as a common online (or runtime) repository from which various simulator client-devices can simultaneously retrieve and modify, in real-time, relevant information to perform their respective runtime simulation tasks. In this case, a CDB is plug-and-play interoperable between CDB-compliant simulators.  A CDB can be readily used by existing simulation client-devices (legacy Image Generators, Radar simulator, Computer Generated Forces, etc.) through a data publishing process that is performed on-demand in real-time.

The application of CDB to future simulation architectures will significantly reduce runtime-source level and algorithmic correlation errors, while reducing development, update and configuration management timelines.  With the addition of the High Level Architecture – -Federation Object Model (HLA/FOM)  and DIS protocols, the application of the CDB standard provides a Common Environment to which inter-connected simulators share a common view of the simulated environment.

The CDB standard defines an open format for the storage, access and modification of a synthetic environment database.  A synthetic environment is a computer simulation that represents activities at a high level of realism, from simulation of theaters of war to factories and manufacturing processes. These environments may be created within a single computer or a vast distributed network connected by local and wide area networks and augmented by super-realistic special effects and accurate behavioral models. SE allows visualization of and immersion into the environment being simulated . This standard defines the organization and storage structure of a worldwide synthetic representation of the earth as well as the conventions necessary to support all of the subsystems of a full-mission simulator.  The standard makes use of several commercial and simulation data formats endorsed by leaders of the database tools industry.

A series of associated OGC Best Practice documents define rules and guidelines for data representation of real world features.

CDB 1.2 Standards Documents

(Hover over Type for full description)
Document title Version OGC Doc No. Type
OGC CDB Version 1.2 Release Notes 1.2 20-006 Notes
Volume 1: OGC CDB Core Standard: Model and Physical Data Store Structure 1.2 15-113r6 IS
Volume 3: OGC CDB Terms and Definitions (Normative) 1.2 15-112r4 IS
Volume 11: OGC CDB Core Standard Conceptual Model 1.2 16-007r5 IS
Volume 13: OGC CDB Rules for Encoding CDB Vector Data using GeoPackage (Normative, Optional Extension). 1.2 20-050 IS

CDB 1.1 Standards Documents

(Hover over Type for full description)
Document title Version OGC Doc No. Type
OGC CDB Version 1.1 Release Notes 1.1 18-016r1 Notes
Volume 1: OGC CDB Core Standard: Model and Physical Data Store Structure 1.1 15-113r5 IS
Volume 3: OGC CDB Terms and Definitions 1.1 15-112r3 IS
Volume 11: OGC CDB Core Standard Conceptual Model 1.1 16-007r4 IS

CDB 1.0 Standards Documents

(Hover over Type for full description)
Document title Version OGC Doc No. Type
Volume 1: OGC CDB Core Standard: Model and Physical Data Store Structure 1.0 15-113r3 IS
Volume 3: OGC CDB Terms and Definitions 1.0 15-112r2 IS
Volume 11: OGC CDB Core Standard Conceptual Model 1.0 16-007r3 IS
CDB Multi-Spectral Imagery Extension 1.0 17-080r2 IS

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