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.TH GPIV_ROT180 1 "8 November 2006"
.SH NAME
gpiv_rot180 \- Simple data manipulation tool for PIV data.
.SH SYNOPSIS
\fBgpiv_rot180\fP
[\fB-h\fR | \fB--help\fR]
[\fB-p\fR | \fB--print\fR]
[\fB-p\fR | \fB--version\fR]
[\fIfilename\fR]
< \fIstdin\fR > \fIstdout\fR
\fP
.SH DESCRIPTION
\fBgpiv_rot180\fP rotates the data over 180 degrees. As rotating over 180
degrees is identic to flipping over x as well as over y-direction,
\fBflipx\fR and \fBflipy\fR may be used instead of \fBgpiv_rot180\fR.
The parameters read from the configuration resources (containing the
key \fBPOST\fR) may be overruled by the command line options, as
explained below.
.SH Options
.TP
.TP
\fB-h\fR | \fB--help\fR
On-line help.
.TP
\fB-p\fR | \fB--print\fR
Prints parameters, command line options and input and output filenames
to stdout. The output may be used as parameters of \fBgpiv_rot180\fP for
future use by re-directing stdout to \fIgpiv_rot180.par\fR.
.TP
\fB-v\fR | \fB--version\fR
Print version information on standard output, then exits successfully.
.TP
\fIfilename\fR
Input PIV file. Overrides stdin and stdout. Output will be written
to \fIfilename\fB.ma.piv\fR. The parameters will be written or
appended to \fIfilename\fB.par\fR.
.SH SEE ALSO
manipiv, flipx, flipy, gpivtools
.SH AUTHOR
Gerber Van der Graaf
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