Name

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      IMGLINE

Purpose

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      Interactive line on the screen.

Category

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Calling Sequence

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      imgline

Inputs

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Keyword Parameters

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Keywords

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        P1=p1 Returned screen x,y of endpoint 1.
        P2=p2 Returned screen x,y of endpoint 2.
        LENGTH=len Returned line length.
        FACTOR=f Length conversion factor (def=1).
        COLOR=col Plot color.
        /INITIALIZE Initialize.
        /QUIET suppresses messages.

Outputs

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Common Blocks

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      imgline_com

Notes

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      Notes: length is listed and returned in pixels unless
        over-ridden by FACTOR.

Modification History

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      R. Sterner, 18 Mar, 1993
      R. Sterner, 1998 Jan 15 --- Dropped use of !d.n_colors.
  Copyright (C) 1993, 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.