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Package ilog.views.maps.defense.format.cadrg

This package contains classes for reading CADRG files.

See: Description

Package ilog.views.maps.defense.format.cadrg Description

This package contains classes for reading CADRG files.

About the CADRG Format

The Compressed ARC Digitized Raster Graphics (CADRG) format is a map format for scanned maps, which is published by the US National Imagery and Mapping Agency (NIMA).

The CADRG readers provided in this package are based on specification document MIL-C-89038 of October 6th, 1994. Specification can be downloaded from http://earth-info.nga.mil/publications/specs/

Basically, a CADRG database covers an area with scanned maps of various scales. It is composed of a main directory that includes a table of contents file, called A.TOC, which can be read with an IlvCADRGTocReader. This main directory is divided into subdirectories, each corresponding to a specific coverage. These subdirectories contain the CADRG frames that make up the coverage. These frames can be read with a IlvCADRGFrameReader.

To automatically read a CADRG coverage using the Rogue Wave JViews load-on-demand mechanism, you can use an IlvCADRGLayer.

CADRG data is distributed on CD-ROM by NGA. A sample CADRG data base is provided on the data disk.

Since:
Rogue Wave JViews 3.0
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