LEDAS 
Leicester Database and Archive Service
What's New
Contact Details
Getting Help
Overview
LEDAS
    User Guide
NAM Poster 2004
LEDAS Personnel
Other Database
    Sites
Local Links
Acknowledge
    LEDAS
Line
Footer
E-mail
next up previous contents
Next: Near-line data products Up: Extracting and Requesting Data Previous: Extracting and Requesting Data

On-line data products

On-line products are extracted using the BROWSE command xp. For example,

ROSWFCPU_TOTAL_DEC > xp
 Loading ZZFNAME and ZZFILES, please wait...
Do you want to select all [N]: 
Extract ROSAT WFC dataset DATASET ROD [N]: 
Extract ROSAT WFC P1 image GIF IMAGE P1 [N]: 
Extract ROSAT WFC P2 image GIF IMAGE P2 [N]: 
Extract ROSAT WFC S2B image GIF IMAGE S2B [N]: y
Extract ROSAT WFC S1B image GIF IMAGE S1B [N]: 
Extract ROSAT WFC S2A image GIF IMAGE S2A [N]: 
Extract ROSAT WFC S1A image GIF IMAGE S1A [N]: 
 Enter start entry number [d/f=1]: 
 Enter end entry number [d/f=9298]: 1
Extracting wp202299w01_s2b.gif IMAGE GIF S2B image  >> wp202299w01_s2b.gif

In the above example, the ``DATASET ROD" option is a near-line product, so replying Y at this prompt will result in an error message.

The sum qualifier on xp lists the products associated with a given database.

ROSWFCPU_TOTAL_DEC > xp/sum
 Qualifier  File        Obs      Inst     Type     Format   Description
 ----------+-----------+--------+--------+--------+--------+-------------------
 DATASET    ROD         ROSAT    WFC      ALL      HDS      dataset
 GIF IMAGE  P1          ROSAT    WFC      IMAGE    GIF      P1 image
 GIF IMAGE  P2          ROSAT    WFC      IMAGE    GIF      P2 image
 GIF IMAGE  S2B         ROSAT    WFC      IMAGE    GIF      S2B image
 GIF IMAGE  S1B         ROSAT    WFC      IMAGE    GIF      S1B image
 GIF IMAGE  S2A         ROSAT    WFC      IMAGE    GIF      S2A image
 GIF IMAGE  S1A         ROSAT    WFC      IMAGE    GIF      S1A image
 ------------------------------------------------------------------------------
 Type XP/Qualifier[=File,...] to access the data product[s]

Extracted files are copied to your working directory at LEDAS and are deleted from this area after two weeks. To copy the files back your home node, exit from BROWSE and use the send or put command,

LEDAS> send wp202299w01_s2b.gif
Enter name of remote machine [ltsun0]: 
Enter username on remote machine [kbs]: 
Enter file transfer directory [/home/ltsun0/kbs/]: 
Do you want this transfer in binary mode [Y]? 
Connected to ltsun0.star.le.ac.uk.
220 ltsun0 FTP server (Version wu-2.4(1) Thu Dec 8 16:23:25 GMT 1994) ready.
331 Password required for kbs.
Password: 
230 User kbs logged in.
200 Type set to I.
Local directory now /dbase/xobserver/users/kbs
250 CWD command successful.
200 PORT command successful.
150 Opening BINARY mode data connection for wp202299w01_s2b.gif
226 Transfer complete.
54939 bytes sent in 0 seconds (55 Kbytes/s)
221 Goodbye.



 
HOME
SEARCH
SERVICES INFO SOFTWARE ViZieR BLASTA DSS
ARCHIVES ASCA CHANDRA GINGA ROSAT ARNIE