IH

Image Histogram plots a histogram of an image plane.
 IH [n1,n2,...,n17]

 n1:      Image plane for histogram plotting  <last image>
 n2:      Graphic to plot histogram on        <n1>
 n3,n4:   X and Y offsets to sample window    <0,0>
 n5,n6:   X and Y dimensions of sample window <display size>
 n7:      Graphic plane number for mask,      <0>
          0 if no graphic mask is being used
 n8,n9:   Plot window offset                  <n1/8 display size>
 n10,n11: Plot window size                    <1/2 display size>
          If n10,n11 are explicitly specified,
          then n8,n9 default to 0,0
 n12:     Histogram smoothing factor          <no smoothing>
 n13:     Plot type;  1: single points,       <3>
          2: connected lines, 3: vertical bars
 n14:     Point mark type (See GM command)    <none>
 n15:     Labelling:  1: yes, 2: no.          <1>
          Labelling occurs only if there is
          enough room around the plot window
          to write the labels.
 n16,n17: Grey-level plot range               <0,255>
Parent Topic: IMAGE COMMANDS
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