Name

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      RECPOL

Purpose

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      Convert 2-d rectangular coordinates to polar coordinates.

Category

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Calling Sequence

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      recpol, x, y, r, a

Inputs

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      x, y = vector in rectangular form. in

Keyword Parameters

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Keywords

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        /DEGREES means angle is in degrees, else radians.

Outputs

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      r, a = vector in polar form: radius, angle. out

Common Blocks

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Notes

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Modification History

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      R. Sterner. 18 Aug, 1986.
      Johns Hopkins University Applied Physics Laboratory.
      RES 13 Feb, 1991 --- added /degrees.
      R. Sterner, 30 Dec, 1991 --- simplified.
      R. Sterner, 25 May, 1993 --- Fixed atan (0,0) problem.
  Copyright (C) 1986, 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.
Converted to IDL V5.0 W. Landsman September 1997