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.TH reformat
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.SH NAME
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.B reformat - convert trajectory files between different formats
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.SH SYNOPSIS
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.B reformat
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.I inpfile
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.I outfile
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.SH DESCRIPTION
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Convert a Lagranto trajectory file
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.I inpfile
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from one format to another format; the new file is written to
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.I outfile.
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The formats are specified with an appendix to the filename, e.g. "trajectory.1" specifies format 1. If no appendix is given, format 1 is chosen.
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.SH PARAMETERS
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.TP 15
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.I inpfile
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input trajectory file
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.TP 15
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.I outfile
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output trajectory file (can be the same as inpfile).
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.SH FORMATS
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Formats must be specified with an appendix to the filename. If no appendix is given, format 1 is chosen.
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.TP 5
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.B .1
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ASCII file; the trajectories are sorted according to their starting positions. Different trajectories are separated by a blank line. This format is the only one supported
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by the Matlab and NCL visualisation scripts (see
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.B lagrantohelp/visualisation).
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.TP 5
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.B .2
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ASCII file; the trajectories are sorted according to their times. Different times are separated with a blank line.
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.TP 5
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.B .3
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unformatted Fortran; this is the most efficient format, but least portable one.
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.TP 5
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.B .4
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netCDF; portable and compact data format.
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.SH EXAMPLES
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.TP 5
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.B [1] reformat trainp.1 trainp.4
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Convert the input trajectory file in format 1 (ASCII) to format 4 (netCDF).
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.SH AUTHOR
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Written by Michael Sprenger and Heini Wernli (January 2011)
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