Name

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      IMG_SHIFTF

Purpose

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      Shifts a 2-D or 3-D image by a fractional number of pixels.

Category

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Calling Sequence

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      out = img_shiftf(in,dx,dy)

Inputs

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      in = Input image. in
      dx = shift in x in
      dy = shift in y. in

Keyword Parameters

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Keywords

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        ERROR=err error flag: 0=ok, 1=not 2-D or 3-D,
          2=wrong number of color channels for 3-D array.

Outputs

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      out = Shifted image. out

Common Blocks

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Notes

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      Note: deals with 2-D or 3-D image arrays and shifts
        correct image planes.

Modification History

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      R. Sterner, 2008 Jan 23
  Copyright (C) 2008, 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.