Roanoke, Virginia

This simulation demonstrates multiple partial textures defined by linked JPEG2000 image files. The simulation includes a color shaded relief view of the whole landscape (stored in the landscape file) and six linked color-infrared digital orthophotoquad images, each of which covers only a portion of the landscape. The DOQ images were acquired as compressed images in MrSID format and used directly in that form in the Landscape Builder to create compressed JPEG2000 texture layers for the landscape file.

The simulation covers an area of 430 square kilometers (166 square miles) in and around the city of Roanoke, Virginia, USA The southern portion of the scene includes the urban center of the city and surrounding residential areas. The northern portion includes agricultural lowlands and forested hill areas. Vegetation cover appears red in the color-infrared DOQ images.

25 March 2009
page update: 26 May 11

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