The Viking Lander EDR Image Archive is published on two CD-ROMs, one containing data from Viking Lander 1 and the other containing data from Viking Lander 2. The documentation is the same on both CD-ROMs.
The CD-ROMs are organized into a series of subdirectories below the top-level directory. The following table shows the structure and content of the directories on the Viking Lander 1 CD-ROM. In the table, directory names are enclosed in square brackets ( [ ] ).
| FILE | CONTENTS | |
|---|---|---|
| Top-level directory | ||
|- AAREADME.TXT |
Overview of archive contents. | |
|- AAREADME.HTM |
Hypertext version of AAREADME.TXT file. | |
|- ERRATA.TXT |
List of comments and errors for this volume set. | |
|- VOLDESC.CAT |
Description of the contents of this CD-ROM volume in PDS label format. | |
|- [CATALOG] |
Directory containing PDS catalog information about the Viking Lander image EDR data set. | |
|- |- CATINFO.TXT |
Description of files in the CATALOG directory. | |
|- |- <files>.CAT |
Files describing the Viking mission, spacecraft, instrument, and the EDR data set. | |
|- [DOCUMENT] |
Directory containing document files. | |
|- |- DOCINFO.TXT |
Description of files in DOCUMENT directory. | |
|- |- CDVOLSIS.TXT |
Software Interface Specification (SIS) document for the CD-ROM. | |
|- |- CDVOLSIS.HTM |
Hypertext version of the CDVOLSIS.TXT document. | |
|- |- VOLINFO.TXT |
Overview of the mission, imaging instrument, and the archiving process. | |
|- |- VOLINFO.HTM |
Hypertext version of the VOLINFO.TXT document. | |
|- [INDEX] |
Directory containing index files. | |
|- |- INDXINFO.TXT |
Description of files in the INDEX directory. | |
|- |- CUMINDEX.TAB |
Cumulative index in tabular format. (2456 Kbytes) | |
|- |- CUMINDEX.LBL |
PDS label for CUMINDEX.TAB. | |
|- |- INDEX.TAB |
Volume index in tabular format. (1321 Kbytes) | |
|- |- INDEX.LBL |
PDS label for INDEX.TAB. | |
|- [CALIB] |
Directory containing calibration files. | |
|- |- CALINFO.TXT |
Description of radiometric calibration files and procedures. | |
|- |- CALINFO.HTM |
Hypertext version of CALINFO.TXT document. | |
|- |- <files> |
Calibration data files. | |
|- [GEOM] |
Directory containing geometry files. | |
|- |- GEOMINFO.TXT |
Description of geometry files and procedures. | |
|- |- GEOMINFO.HTM |
Hypertext version of GEOMINFO.TXT document. | |
|- |- <files> |
Lander and camera geometry files. | |
|- [BROWSE] |
Directory containing the image browser. | |
|- |- INDEX.HTM |
Top page for browser. | |
|- |- [HTML] |
Directory with subdirectories for HTML pages. | |
|- |- |- [NXXX] |
Directories with HTML files for browse images in sequence NXXX. | |
|- |- [IMAGE] |
Directory with subdirectories for browse images. | |
|- |- |- [NXXX] |
Directories for browse images. | |
|- |- <files> |
Other image browser files. | |
|- [NXXX] |
Directories containing PDS format image files for series NXXX. | |
|- |- LCNXXX.FIL |
Individual images where L is lander number, C is camera number, N is a letter (a through j), XXX is a number between 0 and 255, and FIL is filter for each image. |