Building and Vegetation Rasterization for the Three-dimensional Wind Field

Report No. ARL-TR-5419
Authors: Giap Huynh, Yansen Wang, and Chatt Williamson
Date/Pages: December 2010; 38 pages
Abstract: Land surface morphology information, such as vegetation and buildings, are key inputs for the parameterizations used in the Three-dimensional Wind Field (3DWF). The microscale land morphology data are often not available and/or are not in a format that 3DWF can readily use. We have developed a novel method to create the land morphology data set and rasterize it to the model grid using Google Maps™ and the accompanying application programming interface (API). This report documents the algorithm, the development of a graphical user interface (GUI) prototype, the process of rasterizing morphological features for a given model domain and terrain map, and step by step procedures for producing necessary input data for the 3DWF model.
Distribution: Approved for public release
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Last Update / Reviewed: December 1, 2010