SPACING
Keywords: imager

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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.