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B. MapServer Reference Guide for Vector ... > ESRI ArcInfo Coverage Files

Name

ESRI ArcInfo Coverage Files

Synopsis

ESRI ArcInfo coverage files are also known simply as coverages and, less commonly, as ADF files.

File listing

Coverages are made up of a set of files within a folder. The folder itself is the coverage name. The files roughly represent different layers, usually representing different types of topology or feature types.

                  > 
                  ls /data/coverage/brazil
    aat.adf  arc.adf  arx.adf  bnd.adf  lab.adf  prj.adf  tic.adf  tol.adf

A folder with the name INFO is also part of the coverage. It sits at the same hierarchical level as the coverage folder itself. Therefore, to copy a coverage (using regular filesystem tools), the coverage folder and the INFO folder must both be copied. The INFO folder holds some catalog information about the coverage:


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