| The PLplot Plotting Library: Programmer's Reference Manual | ||
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plsdiori: Set plot orientation
      Set plot orientation parameter which is multiplied by 90° to
      obtain the angle of rotation.  Note, arbitrary rotation parameters such as 0.2
      (corresponding to 18°) are possible, but the usual values for
      the rotation parameter are 0., 1., 2., and 3. corresponding to 0°
      (landscape mode), 90° (portrait mode), 180° (seascape
      mode), and 270° (upside-down mode).
      If plsdiori is not called the default value
      of rot
      is 0.
    
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