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PLINT

PLINT

Name


      PLINT

Purpose


      Intersection point of a plane and a line.

Category


Calling Sequence


      plint, lp1, lp2, n, pp, pi, flag

Inputs


      lp1, lp2 = two points on the line. in
        lp1 is the 0 point, + toward lp2.
      n = normal to plane. in
      pp = any point on the plane. in

Keyword Parameters


Outputs


      pi = intersection point. out
      flag = intersection flag: out
        0: no intersection,
        +1: + side of line (also 0),
        -1: - side of line.

Common Blocks


Notes


      Notes: all points are 3 element arrays (x,y,z).

Modification History


      RES 20 May, 1985 from PLINT.FOR sub.
  Copyright (C) 1985, 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.



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