Name

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      TVRD2

Purpose

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      Version of tvrd that allows out of bounds.

Category

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Calling Sequence

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      img = tvrd2(x,y,dx,dy)

Inputs

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      x,y = lower left corner of screen image to read. in
      dx,dy = x and y size to read. in

Keyword Parameters

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Keywords

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        TRUE=true Same as TVRD.
        IMAGE=image Image to use instead of screen.

Outputs

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      img = output image. out

Common Blocks

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Notes

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      Notes: allows x,y to be outside of screen image.
        Allows dx, dy to extend outside screen image.
        Values are in pixels.

Modification History

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      R. Sterner, 1 Oct, 1992
      R. Sterner, 1999 Oct 05 --- Upgraded for true color.
      R. Sterner, 2002 Nov 11 --- Allow given image array.
      R. Sterner, 2010 Jun 04 --- Converted arrays from () to [].
  Copyright (C) 1992, 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.