Name of the image file to plot. Device for PGPLOT output, e.g. /PS /CPS /XW Type of grid overlay. Type of plot to do. Image transfer function. Colour map: -1=invert_grey,1=grey,2=rainbw,3=heat,4=IRAF,5=AIPS,6=TJP,7=CGP (colourmap in [-2:-1]) || (colourmap in [1:7]) The way that contour spacing is specified. Number of contours to draw. ncontours > 0 Separation between contours as a fraction of image z range. contourseparation in (0.0:1.0] Whether to truncate the image brightness (z) values. The point on the brightness (z) frequency histogram at which to set the lower brightness truncation level. zhistolo in [0.0:1.0] The point on the brightness (z) frequency histogram at which to set the upper brightness truncation level. zhistohi in [0.0:1.0] Whether to clip blank space from the edges of the displayed image. Whether to include a frame + text around the image. Whether to clip the image extent. Fraction of original width at which to start the LH edge of the displayed image. xfraclo in [0.0:1.0] Fraction of original width at which to start the RH edge of the displayed image. xfrachi in [0.0:1.0] Fraction of original height at which to start the bottom edge of the displayed image. yfraclo in [0.0:1.0] Fraction of original height at which to start the top edge of the displayed image. yfrachi in [0.0:1.0] Plot circles around source positions? Name of source list table. Source selection expression. Line thickness for circles/source numbers (in pixels). thickness in [1:5] Colour index of label text and source circles. srccolour in [0:7] Name of a temporary cloned source list. Whether to plot only up to a certain number of sources. Maximum number of sources to plot. ncut in [0:] Style for sorting the sources prior to truncation of their number. Expression controlling subset of sources to be plotted. Style for setting source circle radius. Source circle radius determining expression. userradius in (0:] Source circle radius determining expression. Whether to plot psf-type locii as ellipses or circles. Controls size of psf ellipse. bkgfraction in (0.0:] Max source circle radius (pixels). maxradius in [1.0:100.0] Whether to add labels to sources. Relative size of label text. labelsize in (0.0:] Style for creating source labels. Column-expression to use for source labels. true Whether to add some extra source markers from positions given on the command line. List of RAs for user-added source markers. userras in [0.0:360.0] List of decs for user-added source markers. userdecs in [-90.0:90.0] List of labels for user-added source markers. Colour index of user-added sources. usercolours in [0:7]