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 |