; AXREF
;---------------------------------------------------------------
;! Reference pixel number
;# ADVERB CATALOG
;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
;---------------------------------------------------------------
AXREF     LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC
----------------------------------------------------------------
AXREF
Type: Adverb    (scalar)
Use:  To specify the reference pixel number on a coordinate
      axis.
Null value: 0
Verbs:
   ALTDEF........Sets frequency vs velocity relationship into image
                 header.  There is no default for AXREF.
   AXDEFINE......Define or modify an image axis description.
                 There is no default for AXREF.
Tasks:
   MCUBE.........Collects n-dimensional images into n+1-dimensional
                 image.  Default is 1.0.
   OHGEO.........Geometric interpolation with correction for 3-D
                 effects.  AXREF may be taken from the second image
                 if AX2REF and IMSIZE are zero.
----------------------------------------------------------------
