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Enhanced Fort Benning, McKenna Urban Training Site

One of several urban warfare terrain databases MetaVR™ has built is the geospecific high-resolution virtual McKenna MOUT site. This virtual site was modeled after the actual McKenna MOUT site located at Fort Benning, GA.

The McKenna urban operations training center at Fort Benning uses MetaVR's 3D virtual replica of their facility for live training of soldiers. The McKenna MOUT site features an urban village that was built by Army engineers, which belongs to Fort Benning’s Soldier Battlelab. This site is primarily used for live, virtual and constructive experimentation on soldier systems, weapons, and equipment.

McKenna MOUT Aerial Photograph
Aerial photo of the McKenna training site.
  MetaVR's virtual McKenna MOUT site.
MetaVR's virtual McKenna training site.

About the database

Using 0.30 meter high-resolution imagery of the MOUT area (4 km x 4 km), coupled with overall 1-meter imagery and 30-meter elevation data of the Fort Benning area, MetaVR extended the legacy geotypical virtual McKenna site to a 30 x 40 km 3D terrain area, using MetaVR's Terrain Tools for Esri ArcGIS. The Fort Benning terrain and virtual MOUT site are part of MetaVR's CONUS++ terrain.

The visual realism of MetaVR's 3D virtual replica of the urban warfare training area was enhanced by using GIS survey data for feature placement and digital photographs of the site to aid in geolocating geotypical vegetation.

MetaVR's 3D virtual McKenna urban training database rendered in Virtual Reality Scene Generator (VRSG).
MetaVR VRSG Real-time screen capture of a portion of the virtual Ft. Benning McKenna MOUT site.

As part of the visual fidelity enhancements to the database, the locations of buildings and roads within the virtual McKenna MOUT site area have been refined using survey data taken at the site. Survey points were brought into the VRSG environment via a cultural feature data file and were used as guides to adjust placement of cultural elements. The resulting terrain database represents the true real-world coordinates of these elements to within a 0.1 meter tolerance. This degree of correlation is vital for enabling visualization of real-time feeds of positional data by instrumented soldiers carrying out exercises in the urban warfare training site.

About the virtual McKenna MOUT site

Geospecific aerial photography imagery was used to replace the geotypical textures used on the original McKenna terrain. A key component of realistic urban warfare infantry training is traversing the avenues of approach to the town. The terrain includes 9,738 segment road and track network The geographic extents of the MetaVR database and the extensive tree lines around the McKenna site provide an environment for training soldiers how to approach urban centers undetected.

Aerial view of the envrions around MetaVR's virtual Fort Benning virtual McKenna MOUT site.
MetaVR VRSG Real-time screen capture of a portion of the virtual Ft. Benning McKenna MOUT site.

The buildings and trees were geo-located on the terrain to match the imagery. Buildings were placed visually by displaying survey data from the McKenna site as survey sphere objects in the database. The survey data taken from the site and provided by Fort Benning was put into cultural feature (clt) files with survey points mapped to survey sphere models.

MetaVR's virtual McKenna MOUT site.
Close-up of some of the photorealistic buildngs on the virtual McKenna MOUT site.

About the models

MetaVR improved the original OpenFlight building models by enhancing their interior geometry and applying photospecific and photorealistic textures to the surfaces based on photographs of the buildings at the McKenna site. For example, the model of Building H, shown below on the right contains some photospecific textures of the actual building shown on the left.

MetaVR's virtual McKenna MOUT site.

The 13 geolocated and photorealistic MOUT building models have radiosity (soft shadows) applied to the geometry to increase their realism.

Close-up of some of the photorealistic buildngs on the virtual McKenna MOUT site.
MetaVR VRSG Real-time screen capture of a portion of the virtual Ft. Benning McKenna MOUT site.

The terrain also makes use of 103 streetscape and other cultural elements: barriers, tombstones, fences, manhole covers, 76-element power-line network with utility poles and street lights, and 1,510 geolocated geotypical volumetric trees of varying types.

MetaVR's virtual McKenna MOUT site.
Real-time VRSG screen capture of a portion of the virtual McKenna MOUT site.

Actual and simulated views of the McKenna MOUT site

In the following set of images, you can compare photographs of the actual McKenna site on the left with VRSG simulated view on the right. The models of buildings and other structures are photorealistic; the models were textured from a set of photographs of the McKenna training area.

MetaVR's virtual McKenna MOUT site.
MetaVR's virtual McKenna MOUT site.
MetaVR's virtual McKenna MOUT site.
MetaVR's virtual McKenna MOUT site.
Photographs of the McKenna training
site at Ft. Benning.
VRSG screen captures of MetaVR's real-time virtual McKenna training site at Ft. Benning.

MetaVR’s virtual McKenna MOUT site at Fort Benning is available as part of the Southeast US region of CONUS++ 3D terrain, available to all MetaVR customers who are on active VRSG software maintenance and are US Government agencies or contractors (for official use only). For US-domestic use only, not available for export. The terrain is provided in MetaVR's terrain format and will only run with a valid VRSG version 5.8 or greater software license with valid software maintenance through July 1, 2013.

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