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<title>X2SYS_REPORT</title>
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<h1 align=center>X2SYS_REPORT</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#EXAMPLES">EXAMPLES</a><br>
<a href="#REFERENCES">REFERENCES</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<a name="NAME"></a>
<h2>NAME</h2>
<p style="margin-left:11%; margin-top: 1em">x2sys_report
− Report statistics from crossover data base</p>
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
<p style="margin-left:11%; margin-top: 1em"><b>x2sys_report
−C</b><i>column</i> <b>−T</b><i>TAG</i> [
<i>coedbase.txt</i> ] [ <b>−A</b> ] [
<b>−I</b>[<i>list</i>] ] [
<b>−L</b>[<i>corrtable</i>] ] [
<b>−N</b><i>nx_min</i> ] [ <b>−Qe</b>|<b>i</b> ]
[
<b>−R</b><i>west</i>/<i>east</i>/<i>south</i>/<i>north</i>[<b>r</b>]
] [ <b>−S</b><i>track</i> ] [ <b>−V</b> ]</p>
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
<p style="margin-left:11%; margin-top: 1em"><b>x2sys_report</b>
will read the input crossover ASCII data base
<i>coedbase.txt</i> (or <i>stdin</i>) and report on the
statistics of crossovers (<i>n, mean, stdev, rms,
weight</i>) for each track. Options are available to let you
exclude tracks and limit the output.</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−C</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Specify which data
column you want to process. Crossovers related to this
column name must be present in the crossover data base.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−T</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Specify the x2sys
<i>TAG</i> which tracks the attributes of this data
type.</p> </td>
</table>
<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
<p style="margin-left:11%; margin-top: 1em">No space
between the option flag and the associated arguments.
<i><br>
coedbase.txt</i></p>
<p style="margin-left:22%;">The name of the input ASCII
crossover error data base as produced by <b><A HREF="x2sys_cross.html">x2sys_cross</A></b>.
If not given we read standard input instead.</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−A</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Eliminate COEs by
distributing the COE between the two tracks in proportion to
track weight and producing (dist, adjustment) spline knots
files for each track (for the selected <i>column</i>). Such
adjustments may be used by <b><A HREF="x2sys_datalist.html">x2sys_datalist</A></b>. The
adjustment files are called <i>track.column</i>.adj and are
placed in the <b>$X2SYS_HOME</b>/<i>TAG</i> directory. For
background information on how these adjustments are
designed, see <i>Mittal</i> [1984].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−I</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Name of ASCII file
with a list of track names (one per record) that should be
excluded from consideration [Default includes all
tracks].</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−L</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Apply optimal
corrections to the chosen observable. Append the correction
table to use [Default uses the correction table
<i>TAG</i>_corrections.txt which is expected to reside in
the <b>$X2SYS_HOME</b>/<i>TAG</i> directory]. For the format
of this file, see <b><A HREF="x2sys_solve.html">x2sys_solve</A></b>.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−N</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Only report data
from tracks involved in at least <i>nx_min</i> crossovers
[all tracks].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−Q</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Append <b>e</b> for
external crossovers or <b>i</b> for internal crossovers only
[Default is external].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−R</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><i>west, east,
south,</i> and <i>north</i> specify the Region of interest,
and you may specify them in decimal degrees or in
[+-]dd:mm[:ss.xxx][W|E|S|N] format. Append <b>r</b> if lower
left and upper right map coordinates are given instead of
w/e/s/n. The two shorthands <b>−Rg</b> and
<b>−Rd</b> stand for global domain (0/360 and
-180/+180 in longitude respectively, with -90/+90 in
latitude). Alternatively, specify the name of an existing
grid file and the <b>−R</b> settings (and grid
spacing, if applicable) are copied from the grid. For
Cartesian data just give <i>xmin/xmax/ymin/ymax</i>. This
option bases the statistics on those COE that fall inside
the specified domain.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−S</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Name of a single
track. If given we restrict output to those crossovers
involving this track [Default output is crossovers involving
any track pair].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−V</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Selects verbose
mode, which will send progress reports to stderr [Default
runs "silently"].</p></td>
</table>
<a name="EXAMPLES"></a>
<h2>EXAMPLES</h2>
<p style="margin-left:11%; margin-top: 1em">To report
statistics of all the external magnetic crossovers
associated with the tag MGD77 from the file COE_data.txt,
restricted to occupy a certain region in the south Pacific,
try</p>
<p style="margin-left:11%; margin-top: 1em"><b>x2sys_report</b>
COE_data.txt <b>−V −T</b> MGD77 <b>−R</b>
180/240/-60/-30 <b>−C</b> mag > mag_report.txt</p>
<p style="margin-left:11%; margin-top: 1em">To report on
the faa crossovers globally that involves track 12345678,
try</p>
<p style="margin-left:11%; margin-top: 1em"><b>x2sys_report</b>
COE_data.txt <b>−V −T</b> MGD77 <b>−C</b>
faa <b>−S</b> 12345678 > faa_report.txt</p>
<a name="REFERENCES"></a>
<h2>REFERENCES</h2>
<p style="margin-left:11%; margin-top: 1em">Mittal, P. K.
(1984), Algorithm for error adjustment of potential field
data along a survey network, <i>Geophysics, 49</i>(4),
467-469.</p>
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
<p style="margin-left:11%; margin-top: 1em"><i><A HREF="x2sys_binlist.html">x2sys_binlist</A></i>(1)
<i><A HREF="x2sys_cross.html">x2sys_cross</A></i>(1) <i><A HREF="x2sys_datalist.html">x2sys_datalist</A></i>(1)
<i><A HREF="x2sys_get.html">x2sys_get</A></i>(1) <i><A HREF="x2sys_init.html">x2sys_init</A></i>(1)
<i><A HREF="x2sys_list.html">x2sys_list</A></i>(1) <i><A HREF="x2sys_put.html">x2sys_put</A></i>(1)
<i><A HREF="x2sys_solve.html">x2sys_solve</A></i>(1)</p>
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