Downloading LWS Interactive Analysis (LIA) Version 8.1 patch 

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Major improvements with respect to previous version include:

• FP_PROC: Now using the liac file for determining the darks measured during the observation. The OLP 8 lsca file has the fixed dark values because we ALWAYS subtract fixed darks for ALL FP observations. User not allowed to exceed the measured dark or to go below the fixed dark, if it is less than the measured dark.
• INSPECT_RASTER: Bug fix to return RA, DEC and RP arrays rather than scalars
• DEFRINGE: This tool is written for interactive defringing of LWS data (L01, L03 and L04).

• The illuminator calibration file lcir.fits has been replaced in order to be compatible with OLP 8 and higher The version in LIA 8.0 was appropriate for OLP 7 only.

UNIX and IDL 5.03 or higher.

ISAP version 2.1  should be installed on your computer, which contains the OLP 8 and higher calibration files for the LWS. (If you have ISAP 2.0 or 2.0a or earlier,  upgrade now!)

LIA version 8.0 should be installed on your computer, which contains the full LIA 8.0 library.
 
 

Step-by-Step Procedure to Install LIA 8.1 patch

 
• Click here to download the gzipped tar file lia8_1_2.1tar.gz; the file should be placed one directory above the 2.1/ directory of ISAP (i.e. the directory that contains the files 'isap', 'start_isap.idl', etc...), where 2.1 should be the version number of your current ISAP installation.
• In the directory above the 2.1/ directory, unzip and untar the lia_8.1.tar.gz file.
• Make sure that the contents of 2.1/data/cal_lws, 2.1/pro/lia and 2.1//pro/lia/lia_inter directories are world-readable
• Simply type 'isap com' to enter LIA

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