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The LANDFIRE Data Access Tool (LFDAT) is an ArcGIS toolbar that allows users to interact with the LANDFIRE (LF) Data Distribution Site (DDS) and download LF data all from ArcMap.
Users should be familiar with the operation of LANDFIRE DDS prior to using this toolbar. The DDS provides a web browser interface where users can drag a box on a map to define an extent rectangle, and download selected layers as zipped files in either ESRI ArcGRID or GeoTiff format. Depending on the size of the extent rectangle, the downloaded raster layers may be divided into multiple pieces that will need to be merged back together by the user after downloading.
LFDAT allows users to define a download area in an ArcMap session and download data from the DDS for the specified extent rectangle. All zip files should be downloaded to a single folder. Any number of LF layers, including single-piece or multiple-piece downloads and different spatial extent rectangles, can be downloaded. After downloading to a single folder, LFDAT's Smart Assembler can batch unzip the files, merge multiple-piece layers back into a single output layer, and re-attach fields to the output raster attribute tables. Output raster layers can be generated in ESRI ArcGRID, Erdas Imagine, or GeoTiff formats, and layers can be reprojected during batch processing.
Four raster functions are included with the toolbar:
LFDAT uses a configuration database, which is updated regularly, to store information needed to interact with the DDS and to process downloaded data. Click on the About LANDFIRE Data Access Tool icon periodically to check for the latest LFDAT database and version updates.