Worldwide Database | Presagis

By: Presagis  09-12-2011

Worldwide Database | Presagis

The WWDB provides a baseline CDB dataset that can be used ‘as is’ or enhanced with a higher degree of visual representation and detail.  Because WWDB is designed to be highly extensible and scalable, users can work with the existing content and define higher resolution areas as well as seamlessly add and refine zones around the globe.

Imagery and Material Resolution

Throughout the world land coverage, the WWDB model is textured at 32 m resolution. Textures are compressed at a ratio of 10:1 using a JPEG2000 compression engine. WWDB imagery and material maps are displayed at the same resolution, and imagery and material are synthesized from both VMAP & Elevation.

Elevation accuracy

DTED Level 0.

Vector source data

The WWDB model is constructed using Vector Map (VMAP) Level 0 as vector source data. The source dictates the location and shape of the main features, such as forests, water bodies, urban areas, and road networks. VMAP Level 0 data accuracy is equivalent to 1:500000 scale maps.

Two high-resolution insets included with WWDB:

  • Camp Pendleton – 2 geo-units, 1m color imagery, Urban and Airport Models
  • South Korea – 1 Geo-unit, 1m Color imagery

WWDB is compatible with the following Presagis software products:

  • Terra Vista 6.0 and later versions
  • STAGE 6.0 and later versions
  • Vega Prime 4.0 and later versions
  • Thea Lite 1.0 and later versions

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