1Fitgrid(3NCARG) NCAR GRAPHICS Fitgrid(3NCARG)
2
6 Fitgrid is a package for interpolating one dimensional and two
7 dimensional data. The package has the following functionality:
8 1.) Interpolating single-valued functions in one dimension.
10 2.) Interpolating parametric curves in the plane.
11 3.) Computing an interpolatory surface through a rectangular grid of
12 functional values.
13 4.) Interpolating periodic functions in one dimension.
14 5.) Finding integrals and derivatives of interpolated functions.
15
19 FORTRAN single precision
20 ------------------------
21 CURV1 - does set-up for CURV2.
23 CURV2 - 1D interpolation for non-periodic functions.
24 CURVD - derivatives for 1D functions.
25 CURVI - integrals for 1D functions.
26 CURVP1 - does set-up for CURVP2 .
27 CURVP2 - 1D interpolation for periodic functions.
28 CURVPI - integrals for periodic functions.
29 CURVS - does smoothing and set-up for CURV2.
30 CURVPS - does smoothing for periodic functions.
31 KURV1 - does set-up for KURV2.
32 KURV2 - interpolation for parametric curves.
33 KURVD - derivatives for parametric curves.
34 KURVP1 - set-up for KURVP2.
35 KURVP2 - interpolation for closed parametric curves.
36 KURVPD - derivatives for closed parametric curves.
37 SURF1 - set-up for SURF2.
38 SURF2 - 2D interpolation for gridded data.
39 C single precision:
41 ------------------
42 c_ftcurv - 1D interpolation for non-periodic functions.
44 c_ftcurvd - derivatives for 1D functions.
45 c_ftcurvi - integrals for 1D functions.
46 c_ftcurvp - 1D interpolation for periodic functions.
47 c_ftcurvpi - integrals for periodic functions.
48 c_ftcurvs - does smoothing for non-periodic functions.
49 c_ftcurvps - does smoothing for periodic functions.
50 c_ftkurv - interpolation for parametric curves.
51 c_ftkurvp - interpolation for closed parametric curves.
52 c_ftkurvd - derivatives for parametric curves.
53 c_ftkurvpd - interpolation for closed parametric curves.
54 c_ftsurf - 2D interpolation for rectangular data.
55 c_ftseti - set values for int parameters.
56 c_ftgeti - get values for int parameters.
57 c_ftsetr - set values for float parameters.
58 c_ftgetr - get values for float parameters.
59 c_ftsetc - set values for string parameters.
60 c_ftgetc - get values for string parameters.
61 c_ftsetfa - set values for float arrays.
62 c_ftgetfa_size - get array size of float array.
63 c_ftgetfa_data - get float array data.
64
67 To use fitgrid entries, load the NCAR Graphics library ngmath.
68
70 Individual entries, fitgrid_params
71 Complete documentation for fitgrid is available at URL
73 http://ngwww.ucar.edu/ngdoc/ng/ngmath/fitgrid/fithome.html
74
76 Copyright (C) 2000
77 University Corporation for Atmospheric Research
78 This documentation is free software; you can redistribute it and/or
80 modify it under the terms of the GNU General Public License as
81 published by the Free Software Foundation; either version 2 of the
82 License, or (at your option) any later version.
83 This software is distributed in the hope that it will be useful, but
85 WITHOUT ANY WARRANTY; without even the implied warranty of
86 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
87 General Public License for more details.
88 You should have received a copy of the GNU General Public License along
90 with this software; if not, write to the Free Software Foundation,
91 Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
92UNIX March 1998 Fitgrid(3NCARG)