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.TH trainfo
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.SH NAME
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.B trainfo - write meta-information for a trajectory file
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.SH SYNOPSIS
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.B trainfo
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.I trafile
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[
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.I option
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].
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.SH DESCRIPTION
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Write meta-information for a trajectory file
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.I trafile
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to screen. If no option is given, all meta-information is written, otherwise the specific piece of information is passed with
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.I option.
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.SH PARAMETERS
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.TP 5
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.I trafile
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name of the input trajectory file
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.SH OPTIONAL ARGUMENTS
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.TP 5
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.B - dim
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dimensions of the trajectory file: #tra, #ntimes, #ncolumns.
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.TP 5
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.B - ntra
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number of trajectories.
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.TP 5
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.B - ntim
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number of times.
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.TP 5
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.B - ncol
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number of columns (including time, longitude, latitude, pressure).
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.TP 5
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.B - vars
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list of field names (columns) on the trajectory file.
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.TP 5
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.B - refdate
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reference date in format (YYYYMMDD_HHMM).
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.TP 5
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.B - times
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list of times (relative to the referencec date). Times are given in format: HH.MM.
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.TP 5
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.B - startdate
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starting date for the trajectory calculation (in format YYYYMMD_HHMM).
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.TP 5
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.B - enddate
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end date for the trajectory calculation (in format YYYYMMD_HHMM).
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.TP 5
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.B - timerange
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time range (in minutes) of the trajectories.
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.TP 5
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.B - list
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list all trajectories.
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.SH EXAMPLES
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.TP 5
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.B [1] trainfo file dim
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Given a trajectory file with name "file", write the three dimensions of the file to screen. The dimensions are: number of trajectories, number of times and number of columns.
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.SH AUTHOR
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Written by Michael Sprenger and Heini Wernli (January 2011)