04-15-2013
gnuplot has the 'smooth' option for lines.
Without seeing what you've been doing it's hard to improve it.
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LEARN ABOUT DEBIAN
gpiv_piv2gnuplt
GPIV_PIV2GNUPLT(1) General Commands Manual GPIV_PIV2GNUPLT(1)
NAME
gpiv_piv2gnuplt - Converts PIV data gnuplot data.
SYNOPSIS
gpiv_piv2gnuplt [-al int] [-au int] [-h | --help] [-p | --print] [-s float] [-v | --version] [-z] filename
DESCRIPTION
gpiv_piv2gnuplt converts PIV data to gnuplot vectors for displaying and printing PIV the estimators in a graphical way.
This program does not use the parameter resources from libgpiv. The parameters may be defined by the command line options as explained
below.
Options
-al L Draws an annotation vector with length L.
-al UNIT
Define unit of annotation vector (defaul m/s).
-h | --help
On-line help.
-p | --print
Prints parameters to stdout.
-s SCALE
Scale factor for graphic output with gnuplot.
-v | --version
Print version information on standard output, then exits successfully.
-z Full zoom (for scaled data).
filename
Filename containing the input PIV data.
SEE ALSO
gpivtools
AUTHOR
Gerber Van der Graaf
9 November 2006 GPIV_PIV2GNUPLT(1)