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SPACING

          CHARACTER*16 SPACING[2]

    SPACING indicates the step (and implicitely the contour levels) for con-
    touring and/or greyscale. SPACING[1] control the values, and  SPACING[2]
    the  Unit  of  these  values. It can be UNITS (default data cube units),
    NOISE or SIGMA (noise level), Jy (which also stands for Jy/Beam) and its
    sub-units  mJy  (or  milliJy) and microJy, or K and its sub-units mK (or
    milliK) or microK.

    Jy (and its sub-units) is taken as equivalent to Jy/Beam, and  automatic
    conversion  between  brightness unit (K) and flux unit (Jy/Beam) is made
    when the data cube has a specified angular resolution and frequency.

    SPACING[1] = 0 means an automatic guess of the contours from the Min and
    Max of the data cube.

    The type of spacing is controlled by  variable SPACE_TYPE.


Gildas manager 2023-06-01