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Working with the Data

Untarring and Uncompressing

The files for a given HICO scene are delivered as a single tar ball (*.tar). This file contains the set of 10 files associated with that scene. Each of the 10 files have been compressed using bzip2 (*.bz2).

An example tar file and its contents is:

iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico.tar
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico.bil.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico.hdr.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_flag.bsq.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_flag.hdr.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_geom.bil.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_geom.hdr.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_ndvi.bsq.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_ndvi.hdr.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_rgb.bsq.bz2
iss.2010030.0130.134532.L1B.Lake_Manzalah.v03.1760.20100201181933.100m.hico_rad_rgb.hdr.bz2

To untar and uncompress the data on Unix/Linux:

> tar xvf iss.fill_in_the_blank.tar
> bunzip2 *.bz2

To untar and uncompress the data on PC/Mac:

Compression software that can handle TAR and BZ2 files is required (there are many freeware options). First extract the 10 files from inside the tar file. Then uncompress all of these BZ2 files. The BZ2 uncompression of all 10 files can usually be done all at once by selecting all of the files first.

 

 
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