TSFIT: A Software Package for Two-Stage Scattered Data Fitting
TSFIT is a C library of functions that implements recent
two-stage scattered data
fitting methods based on local approximation
with polynomials and radial basis functions in the first stage and
bivariate spline quasi-interpolation by extension in the second stage.
It is available under the terms of the GNU General Public License.
Download:
C code v.1.00 (gzipped tar archive, 130K)
README
Linux and Visual Studio C++ installation notes
Change log
Test data sets (gzipped tar archive, 5526K) *)
*) Rotterdam Port data has been provided by
Quality Positioning Services
(Zeist, The Netherlands), recorded using the QINSy software
Older version: C code v.0.91 (gzipped tar archive, 126K)
Richard Franke's Test Data
can be downloaded following instructions at this
link
Homepage of Oleg Davydov