W3FT03

The W3FT03 routine does either bilinear or biquadratic
           interpolation for a point within a two-dimensional
           data array.

USAGE:  CALL W3FT03(FL,HI,STI,STJ,MAXI,MAXJ,KQUAD)

   Input argument list:
      FL     ARG LIST  REAL*4 TWO-DIMENSIONAL CARTESIAN ARRAY OF DATA
      MAXI   ARG LIST  INTEGER*4 I-DIMENSION OF FL
      MAXJ   ARG LIST  INTEGER*4 J-DIMENSION OF FL
      STI    ARG LIST  REAL*4 I-COORDINATE TO WHICH A VALUE IS TO BE
                       INTERPOLATED
      STJ    ARG LIST  REAL*4 J-COORDINATE TO WHICH A VALUE IS TO BE
                       INTERPOLATED
      KQUAD  ARG LIST  INTEGER*4 INTERPOLATION METHOD:
                       IF = 2, BIQUADRATIC INTERPOLATION IS DONE,
                       IF = ANY OTHER VALUE, DO BILINEAR.
 
   Output argument list:
      HI     ARG LIST  REAL*4 INTERPOLATED OUTPUT VALUE
 
REMARKS:
        NO ERROR CHECKS ARE MADE. IT IS LEFT FOR THE USER TO
        DETERMINE THAT THE POINT FOR WHICH INTERPOLATION IS DESIRED
        LIES WITHIN THE GRID.

 
W3lib.tar Library contains Fortran 90 decoder/encoder routines for GRIB edition 1. (Fortran90)
Date posted: 2/22/2007