Name

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      POSBOX

Purpose

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      Test for a box drawn around the screen position, or plot one.

Category

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Calling Sequence

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      posbox

Inputs

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Keyword Parameters

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      keyword was given to map_set. If any inside pixels
      touch where outline would be then vis is returned as 1.

Outputs

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Common Blocks

---

Notes

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      Notes: main purpose is to see if the screen position has
        been outlined. One use is to determine if the /noborder

Modification History

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      R. Sterner, 1999 Sep 9 (9/9/99)
      R. Sterner, 2010 Jun 07 --- Converted arrays from () to [].
  Copyright (C) 1999, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.