stream_background

Source: cli/stream/stream_background.pro

 stream_background
        Set the background of a stream in the current dataset

 Usage:
        stream_background, index, bglevel

 Arguments:
        index   int     input   The index of the stream, a scalar for
                                RATE datasets, a 2-element array for
                                SPECT or PAD.
        blevel  string  input   The background to give the stream.

 Keywords:
        before  If set, then bglevel is a scalar with the level before
                the shift.
        after   If set, then bglevel is a scalar with the level after
                the shift
        default If set, then restore the backgrounds to the defaults
                in the IDF.DAT file.

 Streams:
        RATE:*_LAN, SPECT:*_LAN, PAD:*_LAN

 History:
        Original: 24/8/00; SJT