.AUX File Extension
LaTeX Auxiliary File
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What is a AUX file?
File created by TeX and LaTeX, which are typesetting standards often used to generate academic papers and other technical documentation; contains information about a document such as footnotes, bibliography entries, and cross-references.
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AUX files are written when a .TEX file is typeset (formatted to an output document) by LaTeX. Since the generation of LaTeX documentation can take multiple passes before the document is complete (because of file and citation cross-referencing), the AUX file is used to store information between runs of the LaTeX compilation process.
Programs that open or reference AUX files
Auxiliary File
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Data file used by various geospatial applications such as ESRI ArcGIS Desktop and ERDAS IMAGINE; contains auxiliary geospatial data that accompanies the raster data in a corresponding file (such as a geographic .JPG file or a GeoTIFF .TIF file); used for storing data that cannot be stored in the raster image file.
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AUX files enable GIS software applications to perform spatial analysis on raster data. They may store color maps, statistics, coordinate system information, transformation data, and projection data. They are sometimes provided with geographic images, but they may also be generated by the GIS program.
AUX files are usually stored in the same directory as their corresponding raster data files, and they typically use the same filename prefix. For example, rasterdata.tif would have an AUX file with the name rasterdata.aux.