SUPPORT /CURSOR
Keywords: imager

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SUPPORT /CURSOR

            [CLEAN\]SUPPORT /CURSOR

        With  option /CURSOR, SUPPORT calls the interactive cursor to define the
        polygon summits.  Type any key to go to next summit, D  to  correct  the
        last one and type E to end the polygon definition. The last polygon side
        will then appear. The polygon definition may be aborted by typing Q. For
        graphical displays, you may use the mouse buttons for the commands.  The
        left mouse button draws a vertex, the middle mouse  button  deletes  the
        last vertex, and the right mouse button ends the polygon definition.

        The resulting support is available in the Sic structure SUPPORT:
          - SUPPORT%NXY  [Integer]  Number of summits
          - SUPPORT%X    [Double]   X coordinates
          - SUPPORT%Y    [Double]   Y coordinates