SHAPE

     SHAPE is the object that the user wishes to plot on the current
     graphics device.  Valid shapes include:

          TEXT            A string of text.
          POLYGON         An irregular polygon.
          REGPOLY         A regular polygon.
          ARC             An arc connected to the center point (pie).
          CURVE           A smooth curve, or piecewise line.
          LINE            A line segment.
          ARROW           Two types of arrows.
          COLDFRONT       A cold front.
          WARMFRONT       A warm front.
          OCCLFRONT       An occluded front.
          STATFRONT       A stationary front.
          WEATHER         Weather symbols.
          CLOUD           Cloud type symbols.
          SKY             Sky cover symbols.
          TURB            Turbulence symbols.
          ICNG            Icing symbols.
          SPCL            Special symbols.
          MARKER          Marker symbols.
          PRESTEND        Pressure tendency symbols.
          PASTWTHR        Past weather symbols.

     For all SHAPEs the INFO, LOCI and FILL parameters must also
     be specified.