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<title>PSXYZ</title>
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<h1 align=center>PSXYZ</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="#BUGS">BUGS</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">psxyz −
Plot lines, polygons, and symbols in 3-D</p>
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
<p style="margin-left:11%; margin-top: 1em"><b>psxyz</b>
<i>files</i> <b>−J</b><i>parameters</i>
<b>−Jz</b>|<b>Z</b><i>parameters</i>
<b>−R</b><i>west</i>/<i>east</i>/<i>south</i>/<i>north</i>[/<i>zmin</i>/<i>zmax</i>][<b>r</b>]
[ <b>−B</b>[<b>p</b>|<b>s</b>]<i>parameters</i> ] [
<b>−C</b><i>cptfile</i> ] [
<b>−D</b><i>dx</i>/<i>dy</i>[<i>dz</i>] ] [
<b>−E</b><i>azim</i>/<i>elev</i>[<b>+w</b><i>lon</i>/<i>lat</i>[/<i>z</i>]][<b>+v</b><i>x0</i>/<i>y0</i>]
] [ <b>−G</b><i>fill</i> ] [
<b>−H</b>[<b>i</b>][<i>nrec</i>] ] [
<b>−I</b><i>intens</i> ] [ <b>−K</b> ] [
<b>−L</b> ] [ <b>−N</b> ] [ <b>−O</b> ] [
<b>−P</b> ] [ <b>−Q</b> ] [
<b>−S</b>[<i>symbol</i>][<i>size</i>] ] [
<b>−U</b>[<i>just</i>/<i>dx</i>/<i>dy</i>/][<b>c</b>|<i>label</i>]
] [ <b>−V</b> ] [
<b>−W</b>[<b>-</b>|<b>+</b>][<i>pen</i>] ] [
<b>−X</b>[<b>a</b>|<b>c</b>|<b>r</b>][<i>x-shift</i>[<b>u</b>]]
] [
<b>−Y</b>[<b>a</b>|<b>c</b>|<b>r</b>][<i>y-shift</i>[<b>u</b>]]
] [ <b>−Z</b><i>zlevel</i> ] [
<b>−:</b>[<b>i</b>|<b>o</b>] ] [
<b>−bi</b>[<b>s</b>|<b>S</b>|<b>d</b>|<b>D</b>[<i>ncol</i>]|<b>c</b>[<i>var1</i><b>/</b><i>...</i>]]
] [ <b>−c</b><i>copies</i> ] [
<b>−f</b><i>colinfo</i> ] [
<b>−g</b>[<b>a</b>]<b>x</b>|<b>y</b>|<b>d</b>|<b>X</b>|<b>Y</b>|<b>D</b>|[<i>col</i>]<b>z</b>[+|-]<i>gap</i>[<b>u</b>]
] [ <b>−m</b>[<i>flag</i>] ]</p>
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
<p style="margin-left:11%; margin-top: 1em"><b>psxyz</b>
reads (x,y,z) triplets from <i>files</i> [or standard input]
and generates <i>PostScript</i> code that will plot lines,
polygons, or symbols at those locations in 3-D. If a symbol
is selected and no symbol size given, then <b>psxyz</b> will
interpret the fourth column of the input data as symbol
size. Symbols whose <i>size</i> is <= 0 are skipped. If
no symbols are specified then the symbol code (see
<b>−S</b> below) must be present as last column in the
input. Multiple segment files may be plotted using the
<b>−m</b> option. If <b>−S</b> is not used, a
line connecting the data points will be drawn instead. To
explicitly close polygons, use <b>−L</b>. Select a
fill with <b>−G</b>. If <b>−G</b> is set,
<b>−W</b> will control whether the polygon outline is
drawn or not. If a symbol is selected, <b>−G</b> and
<b>−W</b> determines the fill and outline/no outline,
respectively. The <i>PostScript</i> code is written to
standard 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="7%">
<p style="margin-top: 1em" valign="top"><i>files</i></p></td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">List one or more
file-names. If no files are given, <b>psxyz</b> will read
standard input.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−J</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Selects the map
projection. Scale is UNIT/degree, 1:xxxxx, or width in UNIT
(upper case modifier). UNIT is cm, inch, or m, depending on
the <b><A HREF="gmtdefaults.html#MEASURE_UNIT">MEASURE_UNIT</A></b> setting in .gmtdefaults4, but this
can be overridden on the command line by appending <b>c</b>,
<b>i</b>, or <b>m</b> to the scale/width value. When central
meridian is optional, default is center of longitude range
on <b>−R</b> option. Default standard parallel is the
equator. For map height, max dimension, or min dimension,
append <b>h</b>, <b>+</b>, or <b>-</b> to the width,
respectively.</p> </td>
</table>
<p style="margin-left:22%;">More details can be found in
the <b><A HREF="psbasemap.html">psbasemap</A></b> man pages.</p>
<p style="margin-left:22%; margin-top: 1em"><b>CYLINDRICAL
PROJECTIONS:</b></p>
<p style="margin-left:22%; margin-top: 1em"><b>−Jc</b><i>lon0/lat0/scale</i>
(Cassini) <b><br>
−Jcyl_stere</b>/[<i>lon0/</i>[<i>lat0/</i>]]<i>scale</i>
(Cylindrical Stereographic) <b><br>
−Jj</b>[<i>lon0/</i>]<i>scale</i> (Miller) <b><br>
−Jm</b>[<i>lon0</i>/[<i>lat0/</i>]]<i>scale</i>
(Mercator) <b><br>
−Jm</b><i>lon0/lat0/scale</i> (Mercator - Give
meridian and standard parallel) <b><br>
−Jo</b>[<b>a</b>]<i>lon0/lat0/azimuth/scale</i>
(Oblique Mercator - point and azimuth) <b><br>
−Jo</b>[<b>b</b>]<i>lon0/lat0/lon1/lat1/scale</i>
(Oblique Mercator - two points) <b><br>
−Joc</b><i>lon0/lat0/lonp/latp/scale</i> (Oblique
Mercator - point and pole) <b><br>
−Jq</b>[<i>lon0/</i>[<i>lat0/</i>]]<i>scale</i>
(Cylindrical Equidistant) <b><br>
−Jt</b><i>lon0/</i>[<i>lat0/</i>]<i>scale</i> (TM -
Transverse Mercator) <b><br>
−Ju</b><i>zone/scale</i> (UTM - Universal Transverse
Mercator) <b><br>
−Jy</b>[<i>lon0/</i>[<i>lat0/</i>]]<i>scale</i>
(Cylindrical Equal-Area)</p>
<p style="margin-left:22%; margin-top: 1em"><b>CONIC
PROJECTIONS:</b></p>
<p style="margin-left:22%; margin-top: 1em"><b>−Jb</b><i>lon0/lat0/lat1/lat2/scale</i>
(Albers) <b><br>
−Jd</b><i>lon0/lat0/lat1/lat2/scale</i> (Conic
Equidistant) <b><br>
−Jl</b><i>lon0/lat0/lat1/lat2/scale</i> (Lambert Conic
Conformal) <b><br>
−Jpoly</b>/[<i>lon0/</i>[<i>lat0/</i>]]<i>scale</i>
((American) Polyconic)</p>
<p style="margin-left:22%; margin-top: 1em"><b>AZIMUTHAL
PROJECTIONS:</b></p>
<p style="margin-left:22%; margin-top: 1em"><b>−Ja</b><i>lon0/lat0</i>[<i>/horizon</i>]<i>/scale</i>
(Lambert Azimuthal Equal-Area) <b><br>
−Je</b><i>lon0/lat0</i>[<i>/horizon</i>]<i>/scale</i>
(Azimuthal Equidistant) <b><br>
−Jf</b><i>lon0/lat0</i>[<i>/horizon</i>]<i>/scale</i>
(Gnomonic) <b><br>
−Jg</b><i>lon0/lat0</i>[<i>/horizon</i>]<i>/scale</i>
(Orthographic) <b><br>
−Jg</b><i>lon0/lat0/altitude/azimuth/tilt/twist/Width/Height/scale</i>
(General Perspective). <b><br>
−Js</b><i>lon0/lat0</i>[<i>/horizon</i>]<i>/scale</i>
(General Stereographic)</p>
<p style="margin-left:22%; margin-top: 1em"><b>MISCELLANEOUS
PROJECTIONS:</b></p>
<p style="margin-left:22%; margin-top: 1em"><b>−Jh</b>[<i>lon0/</i>]<i>scale</i>
(Hammer) <b><br>
−Ji</b>[<i>lon0/</i>]<i>scale</i> (Sinusoidal) <b><br>
−Jkf</b>[<i>lon0/</i>]<i>scale</i> (Eckert IV) <b><br>
−Jk</b>[<b>s</b>][<i>lon0/</i>]<i>scale</i> (Eckert
VI) <b><br>
−Jn</b>[<i>lon0/</i>]<i>scale</i> (Robinson) <b><br>
−Jr</b>[<i>lon0/</i>]<i>scale</i> (Winkel Tripel)
<b><br>
−Jv</b>[<i>lon0/</i>]<i>scale</i> (Van der Grinten)
<b><br>
−Jw</b>[<i>lon0/</i>]<i>scale</i> (Mollweide)</p>
<p style="margin-left:22%; margin-top: 1em"><b>NON-GEOGRAPHICAL
PROJECTIONS:</b></p>
<p style="margin-left:22%; margin-top: 1em"><b>−Jp</b>[<b>a</b>]<i>scale</i>[<i>/origin</i>][<b>r</b>|<b>z</b>]
(Polar coordinates (theta,r)) <b><br>
−Jx</b><i>x-scale</i>[<b>d</b>|<b>l</b>|<b>p</b><i>pow</i>|<b>t</b>|<b>T</b>][<i>/y-scale</i>[<b>d</b>|<b>l</b>|<b>p</b><i>pow</i>|<b>t</b>|<b>T</b>]]
(Linear, log, and power scaling)</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="4%">
<p style="margin-top: 1em" valign="top"><b>−Jz</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Sets the vertical
scaling (for 3-D maps). Same syntax as <b>−Jx</b>.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−R</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><i>xmin</i>,
<i>xmax</i>, <i>ymin</i>, and <i>ymax</i> specify the Region
of interest. For geographic regions, these limits correspond
to <i>west, east, south,</i> and <i>north</i> 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
calendar time coordinates you may either give (a) relative
time (relative to the selected <b><A HREF="gmtdefaults.html#TIME_EPOCH">TIME_EPOCH</A></b> and in the
selected <b><A HREF="gmtdefaults.html#TIME_UNIT">TIME_UNIT</A></b>; append <b>t</b> to
<b>−JX</b>|<b>x</b>), or (b) absolute time of the form
[<i>date</i>]<b>T</b>[<i>clock</i>] (append <b>T</b> to
<b>−JX</b>|<b>x</b>). At least one of <i>date</i> and
<i>clock</i> must be present; the <b>T</b> is always
required. The <i>date</i> string must be of the form
[-]yyyy[-mm[-dd]] (Gregorian calendar) or yyyy[-Www[-d]]
(ISO week calendar), while the <i>clock</i> string must be
of the form hh:mm:ss[.xxx]. The use of delimiters and their
type and positions must be exactly as indicated (however,
input, output and plot formats are customizable; see
<b><A HREF="gmtdefaults.html">gmtdefaults</A></b>).</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.</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>−B</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Sets map boundary
annotation and tickmark intervals; see the <b><A HREF="psbasemap.html">psbasemap</A></b>
man page for all the details.</p></td>
<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">Give a color
palette file. If <b>−S</b> is set, let symbol fill
color be determined by the t-value in the fourth column.
Additional fields are shifted over by one column (optional
size would be in 5th rather than 4th field, etc.). If
<b>−S</b> is not set, then <b>psxyz</b> expects the
user to supply a multisegment line or polygon file (requires
<b>−m</b>) where each segment header contains a
<b>−Z</b><i>val</i> string. The <i>val</i> will
control the color of the line or polygon (if <b>−L</b>
is set) via the cpt file.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−D</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Offset the plot
symbol or line locations by the given amounts
<i>dx/dy</i>[<i>dz</i>] [Default is no offset].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−E</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Sets the
viewpoint’s azimuth and elevation (for perspective
view) [180/90]. For frames used for animation, you may want
to append <b>+</b> to fix the center of your data domain (or
specify a particular world coordinate point with
<b>+w</b><i>lon0</i>/<i>lat</i>[/<i>z</i>]) which will
project to the center of your page size (or specify the
coordinates of the projected view point with
<b>+v</b><i>x0</i>/<i>y0).</i></p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>−G</b></p> </td>
<td width="8%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Select color or
pattern for filling of symbols or polygons [Default is no
fill]. (See SPECIFYING FILL below).</p></td>
</table>
<p style="margin-left:22%;">Note when <b>−m</b> is
chosen, <b>psxyz</b> will search for <b>−G</b> and
<b>−W</b> strings in all the subheaders and let any
values thus found over-ride the command line settings (see
<b>−m</b> below).</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="4%">
<p style="margin-top: 1em" valign="top"><b>−H</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Input file(s) has
header record(s). If used, the default number of header
records is <b><A HREF="gmtdefaults.html#N_HEADER_RECS">N_HEADER_RECS</A></b>. Use <b>−Hi</b> if
only input data should have header records [Default will
write out header records if the input data have them]. Blank
lines and lines starting with # are always skipped.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−I</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Use the supplied
<i>intens</i> value (nominally in the -1 to + 1 range) to
modulate the fill color by simulating illumination
[none].</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−K</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">More
<i>PostScript</i> code will be appended later [Default
terminates the plot system].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−L</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Force closed
polygons: connect the endpoints of the line-segment(s) and
draw polygons. Also, in concert with <b>−C</b>,
<b>−m</b>, and <b>−Z</b> settings in the headers
will use the implied color for polygon fill [Default is
polygon pen color]. <b>−N</b> Do NOT skip symbols that
fall outside map border [Default plots points inside border
only].</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−O</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Selects Overlay
plot mode [Default initializes a new plot system].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−P</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Selects Portrait
plotting mode [Default is Landscape, see <b><A HREF="gmtdefaults.html">gmtdefaults</A></b>
to change this].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Q</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Turn off the
automatic sorting of items based on their distance from the
viewer. The default is to sort the items so that items in
the foreground are plotted after items in the
background.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−S</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Plot symbols. If
present, <i>size</i> is symbol size in the unit set in
.gmtdefaults4 (unless <b>c</b>, <b>i</b>, <b>m</b>, or
<b>p</b> is appended). If the symbol code (see below) is not
given it will be read from the last column in the input
data; this cannot be used in conjunction with
<b>−b</b>. Optionally, append <b>c</b>, <b>i</b>,
<b>m</b>, <b>p</b> to indicate that the size information in
the input data is in units of cm, inch, meter, or point,
respectively [Default is <b><A HREF="gmtdefaults.html#MEASURE_UNIT">MEASURE_UNIT</A></b>]. Note: if you
give both size and symbol via the input file you must use
<b><A HREF="gmtdefaults.html#MEASURE_UNIT">MEASURE_UNIT</A></b> to indicate the units used for the
symbol size. The uppercase symbols <b>A</b>, <b>C</b>,
<b>D</b>, <b>G</b>, <b>H</b>, <b>I</b>, <b>N</b>, <b>S</b>,
<b>T</b> are normalized to have the same area as a circle
with diameter <i>size</i>, while the size of the
corresponding lowercase symbols refers to the diameter of a
circumscribed circle. Choose between these symbol codes:</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−S-</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">x-dash (-).
<i>size</i> is the length of a short horizontal (x-dir) line
segment.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−S+</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">plus (+).
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sa</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">st<b>a</b>r.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sb</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Vertical <b>b</b>ar
extending from <i>base</i> to y. <i>size</i> is bar width.
Append <b>u</b> if <i>size</i> is in x-units [Default is
plot-distance units]. By default, <i>base</i> = ymin. Append
<b>b</b><i>base</i> to change this value.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−SB</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Horizontal
<b>b</b>ar extending from <i>base</i> to x. <i>size</i> is
bar width. Append <b>u</b> if <i>size</i> is in y-units
[Default is plot-distance units]. By default, <i>base</i> =
xmin. Append <b>b</b><i>base</i> to change this value.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sc</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>c</b>ircle.
<i>size</i> is diameter of circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sd</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>d</b>iamond.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Se</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>e</b>llipse.
Direction (in degrees counter-clockwise from horizontal),
major_axis, and minor_axis must be found in columns 4, 5,
and 6.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−SE</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Same as
<b>−Se</b>, except azimuth (in degrees east of north)
should be given instead of direction. The azimuth will be
mapped into an angle based on the chosen map projection
(<b>−Se</b> leaves the directions unchanged.)
Furthermore, the axes lengths must be given in km instead of
plot-distance units. An exception occurs for a linear
projection in which we assume the ellipse axes are given in
the same units as <b>−R</b>.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sf</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>f</b>ront.
<b>−Sf</b><i>gap/size</i>[<i>dir</i>][<i>type</i>][:<i>offset</i>].
Supply distance gap between symbols and symbol size. If
<i>gap</i> is negative, it is interpreted to mean the number
of symbols along the front instead. Append <i>dir</i> to
plot symbols on the <b>l</b>eft or <b>r</b>ight side of the
front [Default is centered]. Append <i>type</i> to specify
which symbol to plot: <b>b</b>ox, <b>c</b>ircle,
<b>f</b>ault, <b>s</b>lip, or <b>t</b>riangle. [Default is
fault]. Slip means left-lateral or right-lateral strike-slip
arrows (centered is not an option). Append :<i>offset</i> to
offset the first symbol from the beginning of the front by
that amount [Default is 0].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sg</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">octa<b>g</b>on.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sh</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>h</b>exagon.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Si</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>i</b>nverted
triangle. <i>size</i> is diameter of circumscribing
circle.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sj</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Rotated rectangle.
Direction (in degrees counter-clockwise from horizontal),
x-dimension, and y-dimension must be found in columns 4, 5,
and 6.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−SJ</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Same as
<b>−Sj</b>, except azimuth (in degrees east of north)
should be given instead of direction. The azimuth will be
mapped into an angle based on the chosen map projection
(<b>−Sj</b> leaves the directions unchanged.)
Furthermore, the dimensions must be given in km instead of
plot-distance units. An exception occurs for a linear
projection in which we assume the dimensions are given in
the same units as <b>−R</b>.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sk</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>k</b>ustom
symbol. Append <name>/<i>size</i>, and we will look
for a definition file called <name>.def in (1) the
current directory or (2) in ~/.gmt or (3) in
<b>$GMT_SHAREDIR</b>/custom. The symbol as defined in that
file is of size 1.0 by default; the appended <i>size</i>
will scale symbol accordingly. The symbols are plotted in
the <i>x-y</i> plane. Users may add their own custom *.def
files; see CUSTOM SYMBOLS in the <b><A HREF="psxy.html">psxy</A></b> man page.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sl</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>l</b>etter or
text string (less than 64 characters). Give size, and append
/<i>string</i> after the size. Note that the size is only
approximate; no individual scaling is done for different
characters. Remember to escape special characters like *.
Optionally, you may append %<i>font</i> to select a
particular font [Default is <b><A HREF="gmtdefaults.html#ANNOT_FONT_PRIMARY">ANNOT_FONT_PRIMARY</A></b>].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sm</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>m</b>ath angle
arc, optionally with one or two arrow heads [NOT IMPLEMENTED
YET]. The <i>size</i> is the radius of the arc. Start and
stop directions (in degrees counter-clockwise from
horizontal) for arc must be found in columns 3 and 4. Use
<b>−Smf</b> to add arrow head at first angle,
<b>−Sml</b> for arrow head at last angle, and
<b>−Smb</b> for both [Default is no arrow heads].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sn</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">pe<b>n</b>tagon.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−So</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">c<b>o</b>lumn (3-D)
extending from <i>base</i> to z. <i>size</i> sets base width
(Use <i>xsize/ysize</i> if not the same). Append <b>u</b> if
<i>size</i> is in x-units [Default is plot-distance units].
If no <i>size</i> is given we expect both <i>xsize</i> and
<i>ysize</i> as two extra data columns. By default,
<i>base</i> = 0. Append b<i>base</i> to change this value.
The facet colors will be modified to simulate shading. Use
<b>−SO</b> to disable such 3-D illumination.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sp</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>p</b>oint. No
size needs to be specified (1 pixel is used).</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="4%">
<p style="margin-top: 1em" valign="top"><b>−Sq</b></p> </td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>q</b>uoted line,
i.e., lines with annotations such as contours. It is assumed
that each individual line has a constant <i>z</i> level
(i.e., each line must lie in the <i>x-y</i> plane). Append
[<b>d|f|n|l|x</b>]<i>info</i>[:<i>labelinfo</i>]. The
required argument controls the placement of labels along the
quoted lines. Choose among five controlling algorithms:</p></td>
</table>
<p style="margin-left:22%;"><b>d</b><i>dist</i>[<b>c</b>|<b>i</b>|<b>m</b>|<b>p</b>]
or
<b>D</b><i>dist</i>[<b>d</b>|<b>e</b>|<b>k</b>|<b>m</b>|<b>n</b>]</p>
<p style="margin-left:32%;">For lower case <b>d</b>, give
distances between labels on the plot in your preferred
measurement unit <b>c</b> (cm), <b>i</b> (inch), <b>m</b>
(meter), or <b>p</b> (points), while for upper case
<b>D</b>, specify distances in map units and append the
unit; choose among <b>e</b> (m), <b>k</b> (km), <b>m</b>
(mile), <b>n</b> (nautical mile), or <b>d</b> (spherical
degree). [Default is 10<b>c</b> or 4<b>i</b>].</p>
<p style="margin-left:22%;"><b>f</b><i>ffile.d</i></p>
<p style="margin-left:32%;">Reads the ascii file
<i>ffile.d</i> and places labels at locations in the file
that matches locations along the quoted lines. Inexact
matches and points outside the region are skipped.</p>
<p style="margin-left:22%;"><b>l|L</b><i>line1</i>[,<i>line2</i>,...]</p>
<p style="margin-left:32%;">Give <i>start</i> and
<i>stop</i> coordinates for one or more comma-separated
straight line segments. Labels will be placed where these
lines intersect the quoted lines. The format of each
<i>line</i> specification is <i>start/stop</i>, where
<i>start</i> and <i>stop</i> are either a specified point
<i>lon/lat</i> or a 2-character <b>XY</b> key that uses the
justification format employed in <b><A HREF="pstext.html">pstext</A></b> to indicate a
point on the map, given as [LCR][BMT]. <b><br>
L</b> will interpret the point pairs as defining great
circles [Default is straight line].</p>
<p style="margin-left:22%;"><b>n</b><i>n_label</i></p>
<p style="margin-left:32%;">Specifies the number of
equidistant labels for quoted lines line [1]. Upper case
<b>N</b> starts labeling exactly at the start of the line
[Default centers them along the line]. <b>N</b>-1 places one
justified label at start, while <b>N</b>+1 places one
justified label at the end of quoted lines. Optionally,
append /<i>min_dist</i>[c|i|m|p] to enforce that a minimum
distance separation between successive labels is
enforced.</p>
<p style="margin-left:22%;"><b>x|X</b><i>xfile.d</i></p>
<p style="margin-left:32%;">Reads the multi-segment file
<i>xfile.d</i> and places labels at the intersections
between the quoted lines and the lines in<i>xfile.d</i>.
<b>X</b> will resample the lines first along great-circle
arcs.</p>
<p style="margin-left:22%; margin-top: 1em">In addition,
you may optionally append
<b>+r</b><i>radius</i>[<b>c</b>|<b>i</b>|<b>m</b>|<b>p</b>]
to set a minimum label separation in the x-y plane [no
limitation].</p>
<p style="margin-left:22%; margin-top: 1em">The optional
<i>labelinfo</i> controls the specifics of the label
formatting and consists of a concatenated string made up of
any of the following control arguments: <b><br>
+a</b><i>angle</i></p>
<p style="margin-left:32%;">For annotations at a fixed
angle, <b>+an</b> for line-normal, or <b>+ap</b> for
line-parallel [Default].</p>
<p style="margin-left:22%;"><b>+c</b><i>dx</i>[/<i>dy</i>]</p>
<p style="margin-left:32%;">Sets the clearance between
label and optional text box. Append <b>c|i|m|p</b> to
specify the unit or % to indicate a percentage of the label
font size [15%].</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+d</b></p></td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Turns on debug
which will draw helper points and lines to illustrate the
workings of the quoted line setup.</p></td>
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+f</b><i>font</i></p> </td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Sets the desired
font [Default <b><A HREF="gmtdefaults.html#ANNOT_FONT_PRIMARY">ANNOT_FONT_PRIMARY</A></b>].</p></td>
</table>
<p style="margin-left:22%;"><b>+g</b>[<i>color</i>]</p>
<p style="margin-left:32%;">Selects opaque text boxes
[Default is transparent]; optionally specify the color
[Default is <b><A HREF="gmtdefaults.html#PAGE_COLOR">PAGE_COLOR</A></b>]. (See SPECIFYING COLOR
below).</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+j</b><i>just</i></p> </td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Sets label
justification [Default is MC]. Ignored when -SqN|n+|-1 is
used.</p> </td>
</table>
<p style="margin-left:22%;"><b>+k</b><i>color</i></p>
<p style="margin-left:32%;">Sets color of text labels
[Default is <b><A HREF="gmtdefaults.html#COLOR_BACKGROUND">COLOR_BACKGROUND</A></b>]. (See SPECIFYING COLOR
below).</p>
<p style="margin-left:22%;"><b>+l</b><i>label</i></p>
<p style="margin-left:32%;">Sets the constant label
text.</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+L</b><i>flag</i></p> </td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Sets the label text
according to the specified flag:</p></td>
</table>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="32%"></td>
<td width="5%">
<p style="margin-top: 1em" valign="top"><b>+Lh</b></p></td>
<td width="6%"></td>
<td width="57%">
<p style="margin-top: 1em" valign="top">Take the label from
the current multisegment header (first scan for an embedded
<b>−L</b><i>label</i> option, if not use the first
word following the segment flag). For multiple-word labels,
enclose entire label in double quotes.</p></td>
<tr valign="top" align="left">
<td width="32%"></td>
<td width="5%">
<p style="margin-top: 1em" valign="top"><b>+Ld</b></p></td>
<td width="6%"></td>
<td width="57%">
<p style="margin-top: 1em" valign="top">Take the Cartesian
plot distances along the line as the label; append
<b>c|i|m|p</b> as the unit [Default is
<b><A HREF="gmtdefaults.html#MEASURE_UNIT">MEASURE_UNIT</A></b>].</p> </td>
<tr valign="top" align="left">
<td width="32%"></td>
<td width="5%">
<p style="margin-top: 1em" valign="top"><b>+LD</b></p></td>
<td width="6%"></td>
<td width="57%">
<p style="margin-top: 1em" valign="top">Calculate actual
map distances; append <b>d|e|k|m|n</b> as the unit [Default
is <b>d</b>(egrees), unless label placement was based on map
distances along the lines in which case we use the same unit
specified for that algorithm]. Requires a map projection to
be used.</p></td>
<tr valign="top" align="left">
<td width="32%"></td>
<td width="5%">
<p style="margin-top: 1em" valign="top"><b>+Lf</b></p></td>
<td width="6%"></td>
<td width="57%">
<p style="margin-top: 1em" valign="top">Use text after the
2nd column in the fixed label location file as the label.
Requires the fixed label location setting.</p></td>
<tr valign="top" align="left">
<td width="32%"></td>
<td width="5%">
<p style="margin-top: 1em" valign="top"><b>+Lx</b></p></td>
<td width="6%"></td>
<td width="57%">
<p style="margin-top: 1em" valign="top">As <b>+Lh</b> but
use the headers in the <i>xfile.d</i> instead. Requires the
crossing file option.</p></td>
</table>
<p style="margin-left:22%;"><b>+n</b><i>dx</i>[/<i>dy</i>]</p>
<p style="margin-left:32%;">Nudges the placement of labels
by the specified amount (append <b>c|i|m|p</b> to specify
the units). Increments are considered in the coordinate
system defined by the orientation of the line; use <b>+N</b>
to force increments in the plot x/y coordinates system [no
nudging].</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="3%">
<p style="margin-top: 1em" valign="top"><b>+o</b></p></td>
<td width="7%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Selects rounded
rectangular text box [Default is rectangular]. Not
applicable for curved text (<b>+v</b>) and only makes sense
for opaque text boxes.</p></td>
</table>
<p style="margin-left:22%;"><b>+p</b>[<i>pen</i>]</p>
<p style="margin-left:32%;">Draws the outline of text
boxsets [Default is no outline]; optionally specify pen for
outline [Default is width = 0.25p, color = black, texture =
solid]. (See SPECIFYING PENS below).</p>
<p style="margin-left:22%;"><b>+r</b><i>min_rad</i></p>
<p style="margin-left:32%;">Will not place labels where the
line’s radius of curvature is less than <i>min_rad</i>
[Default is 0].</p>
<table width="100%" border=0 rules="none" frame="void"
cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+s</b><i>size</i></p> </td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Sets the desired
font size in points [Default is 9].</p></td>
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+u</b><i>unit</i></p> </td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Appends <i>unit</i>
to all line labels. If <i>unit</i> starts with a leading
hyphen (-) then there will be no space between label value
and the unit. [Default is no unit].</p></td>
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+v</b></p></td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Specifies curved
labels following the path [Default is straight labels].</p></td>
<tr valign="top" align="left">
<td width="22%"></td>
<td width="9%">
<p style="margin-top: 1em" valign="top"><b>+w</b></p></td>
<td width="1%"></td>
<td width="68%">
<p style="margin-top: 1em" valign="top">Specifies how many
(<i>x, y</i>) points will be used to estimate label angles
[Default is 10].</p></td>
</table>
<p style="margin-left:22%;"><b>+=</b><i>prefix</i></p>
<p style="margin-left:32%;">Prepends <i>prefix</i> to all
line labels. If <i>prefix</i> starts with a leading hyphen
(-) then there will be no space between label value and the
prefix. [Default is no prefix].</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="7%">
<p style="margin-top: 1em" valign="top"><b>−Sr</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>r</b>ectangle.
No size needs to be specified, but the x- and y-dimensions
must be found in columns 4 and 5.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Ss</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>s</b>quare.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−St</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>t</b>riangle.
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Su</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">c<b>u</b>be (3-D).
<i>size</i> sets length of all sides. Append <b>u</b> if
<i>size</i> is in x-units [Default is plot-distance units].
The facet colors will be modified to simulate shading. Use
<b>−SU</b> to disable such 3-D illumination.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Sv</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top"><b>v</b>ector.
Direction and length must be found in columns 4 and 5 (this
is a vector in the horizontal plane). <i>size</i>, if
present, will be interpreted as
<i>arrowwidth/headlength/headwidth</i> [Default unit is
0.075<b>c</b>/0.3<b>c</b>/0.25<b>c</b> (or
0.03<b>i</b>/0.12<b>i</b>/0.1<b>i</b>)]. By default arrow
attributes remains invariant to the length of the arrow. To
have the size of the vector scale down with decreasing size,
append <b>n</b><i>norm</i>, where vectors shorter than
<i>norm</i> will have their attributes scaled by
length/<i>norm</i>. To center vector on balance point, use
<b>−Svb</b>; to align point with the vector head, use
<b>−Svh</b>; to align point with the vector tail, use
<b>−Svt</b> [Default]. To give the head point’s
<i>x, y, z</i> coordinates instead of direction and length,
use <b>−Svs</b>. Upper case <b>B, H, T, S</b> will
draw a double-headed vector [Default is single head].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−SV</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Same as
<b>−Sv</b>, except azimuth should be given instead of
direction. The azimuth will be mapped into an angle based on
the chosen map projection (<b>−Sv</b> leaves the
directions unchanged.)</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Sw</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">pie <b>w</b>edge.
Start and stop directions (in degrees counter-clockwise from
horizontal) for pie slice must be found in columns 4 and
5.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−SW</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Same as
<b>−Sw</b>, except azimuths (in degrees east of north)
should be given instead of the two directions. The azimuths
will be mapped into angles based on the chosen map
projection (<b>−Sw</b> leaves the directions
unchanged.)</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Sx</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">cross (x).
<i>size</i> is diameter of circumscribing circle.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Sy</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">y-dash (|).
<i>size</i> is the length of a short horizontal (y-dir) line
segment.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Sz</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">zdash. <i>size</i>
is the length of a short vertical (z-dir) line segment.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−U</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Draw Unix System
time stamp on plot. By adding <i>just/dx/dy/</i>, the user
may specify the justification of the stamp and where the
stamp should fall on the page relative to lower left corner
of the plot. For example, BL/0/0 will align the lower left
corner of the time stamp with the lower left corner of the
plot. Optionally, append a <i>label</i>, or <b>c</b> (which
will plot the command string.). The <b><A HREF="GMT.html">GMT</A></b> parameters
<b><A HREF="gmtdefaults.html#UNIX_TIME">UNIX_TIME</A></b>, <b><A HREF="gmtdefaults.html#UNIX_TIME_POS">UNIX_TIME_POS</A></b>, and
<b><A HREF="gmtdefaults.html#UNIX_TIME_FORMAT">UNIX_TIME_FORMAT</A></b> can affect the appearance; see the
<b><A HREF="gmtdefaults.html">gmtdefaults</A></b> man page for details. The time string
will be in the locale set by the environment variable
<b>TZ</b> (generally local time).</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−V</b></p> </td>
<td width="4%"></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>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−W</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Set pen attributes
for lines or the outline of symbols [Defaults: width = 1,
color = black, texture = solid]. A leading <b>+</b> will use
the lookup color (via <b>−C</b>) for both symbol fill
and outline pen color, while a leading <b>-</b> will set
outline pen color and turn off symbol fill. (See SPECIFYING
PENS below).</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−X
−Y</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Shift plot origin
relative to the current origin by (<i>x-shift,y-shift</i>)
and optionally append the length unit (<b>c</b>, <b>i</b>,
<b>m</b>, <b>p</b>). You can prepend <b>a</b> to shift the
origin back to the original position after plotting, or
prepend <b>r</b> [Default] to reset the current origin to
the new location. If <b>−O</b> is used then the
default (<i>x-shift,y-shift</i>) is (0,0), otherwise it is
(r1i, r1i) or (r2.5c, r2.5c). Alternatively, give <b>c</b>
to align the center coordinate (x or y) of the plot with the
center of the page based on current page size.</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−Z</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">For 3-D
projections: Sets the z-level of the basemap [lower end of
z-range].</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−:</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Toggles between
(longitude,latitude) and (latitude,longitude) input and/or
output. [Default is (longitude,latitude)]. Append <b>i</b>
to select input only or <b>o</b> to select output only.
[Default affects both].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−bi</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Selects binary
input. Append <b>s</b> for single precision [Default is
<b>d</b> (double)]. Uppercase <b>S</b> or <b>D</b> will
force byte-swapping. Optionally, append <i>ncol</i>, the
number of columns in your binary input file if it exceeds
the columns needed by the program. Or append <b>c</b> if the
input file is netCDF. Optionally, append
<i>var1</i><b>/</b><i>var2</i><b>/</b><i>...</i> to specify
the variables to be read. [Default is the required number of
columns given the chosen settings].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−c</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Specifies the
number of plot copies. [Default is 1].</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−f</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Special formatting
of input and/or output columns (time or geographical data).
Specify <b>i</b> or <b>o</b> to make this apply only to
input or output [Default applies to both]. Give one or more
columns (or column ranges) separated by commas. Append
<b>T</b> (absolute calendar time), <b>t</b> (relative time
in chosen <b><A HREF="gmtdefaults.html#TIME_UNIT">TIME_UNIT</A></b> since <b><A HREF="gmtdefaults.html#TIME_EPOCH">TIME_EPOCH</A></b>),
<b>x</b> (longitude), <b>y</b> (latitude), or <b>f</b>
(floating point) to each column or column range item.
Shorthand <b>−f</b>[<b>i</b>|<b>o</b>]<b>g</b> means
<b>−f</b>[<b>i</b>|<b>o</b>]0<b>x</b>,1<b>y</b>
(geographic coordinates).</p></td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−g</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Examine the spacing
between consecutive data points in order to impose breaks in
the line. Append <b>x</b>|<b>X</b> or <b>y</b>|<b>Y</b> to
define a gap when there is a large enough change in the x or
y coordinates, respectively, or <b>d</b>|<b>D</b> for
distance gaps; use upper case to calculate gaps from
projected coordinates. For gap-testing on other columns use
[<i>col</i>]<b>z</b>; if <i>col</i> is not prepended the it
defaults to 2 (i.e., 3rd column). Append [+|-]<i>gap</i> and
optionally a unit <b>u</b>. Regarding optional signs: -ve
means previous minus current column value must exceed
|<i>gap</i> to be a gap, +ve means current minus previous
column value must exceed <i>gap</i>, and no sign means the
absolute value of the difference must exceed <i>gap</i>. For
geographic data (<b>x</b>|<b>y</b>|<b>d</b>), the unit
<b>u</b> may be m<b>e</b>ter [Default], <b>k</b>ilometer,
<b>m</b>iles, or <b>n</b>autical miles. For projected data
(<b>X</b>|<b>Y</b>|<b>D</b>), choose from <b>i</b>nch,
<b>c</b>entimeter, <b>m</b>eter, or <b>p</b>oints [Default
unit set by MEASURE_UNIT]. Note: For
<b>x</b>|<b>y</b>|<b>z</b> with time data the unit is
instead controlled by TIME_UNIT. Repeat the option to
specify multiple criteria, of which any can be met to
produce a line break. Issue an additional <b>−ga</b>
to indicate that all criteria must be met instead. The
<b>−g</b> option is ignored if <b>−S</b> is
set.</p> </td>
<tr valign="top" align="left">
<td width="11%"></td>
<td width="7%">
<p style="margin-top: 1em" valign="top"><b>−m</b></p> </td>
<td width="4%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">Multiple segment
file. Segments are separated by a record whose first
character is <i>flag</i> [Default is ’>’]. On
these segment header records one or more of the following
options can be added:</p></td>
</table>
<p style="margin-left:22%;"><b>−G</b><i>fill</i> Use
the new <i>fill</i> and turn filling on <b><br>
−G-</b> Turn filling off <b><br>
−G+</b> Revert to default fill (none if not set on
command line) <b><br>
−W</b><i>pen</i> Use the new <i>pen</i> and turn
outline on <b><br>
−W-</b> Turn outline off <b><br>
−W+</b> Revert to default pen (none if not set on
command line) <b><br>
−Z</b><i>zval</i> Obtain fill via cpt lookup using
z-value <i>zval</i> <b><br>
−ZNaN</b> Get the NaN color from the cpt file</p>
<p style="margin-left:22%; margin-top: 1em"><b>SPECIFYING
PENS</b></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="4%">
<p style="margin-top: 1em" valign="top"><i>pen</i></p></td>
<td width="7%"></td>
<td width="78%">
<p style="margin-top: 1em" valign="top">The attributes of
lines and symbol outlines as defined by <i>pen</i> is a
comma delimetered list of <i>width</i>, <i>color</i> and
<i>texture</i>, each of which is optional. <i>width</i> can
be indicated as a measure (points, centimeters, inches) or
as <b>faint</b>, <b>thin</b>[<b>ner</b>|<b>nest</b>],
<b>thick</b>[<b>er</b>|<b>est</b>],
<b>fat</b>[<b>ter</b>|<b>test</b>], or <b>obese</b>.
<i>color</i> specifies a gray shade or color (see SPECIFYING
COLOR below). <i>texture</i> is a combination of dashes
‘-’ and dots ‘.’.</p></td>
</table>
<p style="margin-left:11%; margin-top: 1em"><b>SPECIFYING
FILL</b></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="6%">
<p valign="top"><i>fill</i></p></td>
<td width="5%"></td>
<td width="78%">
<p valign="top">The attribute <i>fill</i> specifies the
solid shade or solid <i>color</i> (see SPECIFYING COLOR
below) or the pattern used for filling polygons. Patterns
are specified as <b>p</b><i>dpi/pattern</i>, where
<i>pattern</i> gives the number of the built-in pattern
(1-90) <i>or</i> the name of a Sun 1-, 8-, or 24-bit raster
file. The <i>dpi</i> sets the resolution of the image. For
1-bit rasters: use <b>P</b><i>dpi/pattern</i> for inverse
video, or append
<b>:F</b><i>color</i>[<b>B</b>[<i>color</i>]] to specify
fore- and background colors (use <i>color</i> = - for
transparency). See <b><A HREF="GMT.html">GMT</A></b> Cookbook & Technical
Reference Appendix E for information on individual
patterns.</p> </td>
</table>
<p style="margin-left:11%; margin-top: 1em"><b>SPECIFYING
COLOR</b></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="7%">
<p valign="top"><i>color</i></p></td>
<td width="4%"></td>
<td width="78%">
<p valign="top">The <i>color</i> of lines, areas and
patterns can be specified by a valid color name; by a gray
shade (in the range 0−255); by a decimal color code
(r/g/b, each in range 0−255; h-s-v, ranges
0−360, 0−1, 0−1; or c/m/y/k, each in range
0−1); or by a hexadecimal color code (#rrggbb, as used
in HTML). See the <b><A HREF="gmtcolors.html">gmtcolors</A></b> manpage for more
information and a full list of color names.</p></td>
</table>
<a name="EXAMPLES"></a>
<h2>EXAMPLES</h2>
<p style="margin-left:11%; margin-top: 1em">To plot blue
columns (width = 1.25 cm) at the positions listed in the
file heights.xyz on a 3-D projection of the space
(0−10), (0−10), (0−100), with tickmarks
every 2, 2, and 10, viewing it from the southeast at 30
degree elevation, use:</p>
<p style="margin-left:11%; margin-top: 1em"><b>psxyz</b>
heights.xyz <b>−R</b> 0/10/0/10/0/100 <b>−Jx</b>
1.25<b>c −Jz</b> 0.125<b>c −So</b> 1.25<b>c
−G</b> blue <b>−B</b>
2:XLABEL:/2:YLABEL:/10:ZLABEL::."3-D PLOT":15
<b>−E</b> 135/30 <b>−Uc −W −P</b>
> heights.ps</p>
<a name="BUGS"></a>
<h2>BUGS</h2>
<p style="margin-left:11%; margin-top: 1em">No hidden line
removal is employed for polygons and lines. Symbols,
however, are first sorted according to their distance from
the viewpoint so that nearby symbols will overprint more
distant ones should they project to the same x,y position.
<b><br>
psxyz</b> cannot handle filling of polygons that contain the
south or north pole. For such a polygon, make a copy and
split it into two and make each explicitly contain the polar
point. The two polygons will combine to give the desired
effect when filled; to draw outline use the original
polygon. <br>
The <b>−N</b> option does not adjust the BoundingBox
information so you may have to post-process the
<i>PostScript</i> output with <b>ps2raster -A</b> to obtain
the correct BoundingBox.</p>
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
<p style="margin-left:11%; margin-top: 1em"><i><A HREF="GMT.html">GMT</A></i>(1),
<i><A HREF="gmtcolors.html">gmtcolors</A></i>(5), <i><A HREF="psbasemap.html">psbasemap</A></i>(1), <i><A HREF="psxy.html">psxy</A></i>(1)</p>
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