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.TH GPIV_ROT180 1 "19 Januari 2005"
.SH NAME
gpiv_rot180 \- Simple data manipulation tool for PIV data.
.SH SYNOPSIS
\fBgpiv_rot180\fP
[\fB-f \fIfilename\fR]
[\fB-h\fR | \fB--help\fR]
[\fB-p\fR | \fB--print\fR]
[\fB-p\fR | \fB--version\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
\fB-f \fIfilename\fR
Overrides stdin and stdout with
\fIfilename\fR. The filename has to be given without its \fB.piv\fR
extension. Output will be written to \fIfilename\fB.ma.piv\fR. The
parameters will be written or appended to \fIfilename\fB.par\fR.
.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
.SH SEE ALSO
manipiv, flipx, flipy, gpivtools
.SH AUTHOR
Gerber Van der Graaf
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