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<html>
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<title>ploticus: proc annotate</title>
<body bgcolor=D0D0EE vlink=0000FF>
<br>
<br>
<center>
<table cellpadding=2 bgcolor=FFFFFF width=550 ><tr>
<td>
<table cellpadding=2 width=550><tr>
<td><br><h2>proc annotate</h2></td>
<td align=right>
<small>
<a href="../doc/Welcome.html"><img src="../doc/ploticus.gif" border=0></a><br>
<a href="../doc/Welcome.html">Welcome</a>
<a href="../gallery/index.html">Gallery</a>
<a href="../doc/Contents.html">Handbook</a>
<td></tr></table>
</td></tr>
<td>
<br>
<br>
<title>Manual page for proc_annotate(PL)</title>
</head>
<body>
<h2>DESCRIPTION</h2>
<b>proc annotate</b> may be used to place arbitrary text at
specific locations, in either absolute space or scaled space.<tt> </tt>
Annotation may include one or two arrows and a box if desired.<tt> </tt>
<br><br><br>
<h2>FEATURES</h2>
Text may be single line or multiple lines.<tt> </tt>
Optional backing box for text, that can be colored, outlined,
and have a bevel or drop shadow.<tt> </tt>
Semi-intelligent placement of one or two arrows.<tt> </tt>
Control over text and arrow color.<tt> </tt>
<a href="clickmap.html">
HTML clickmap support
</a>
for annotations box.<tt> </tt>
<br><br><br>
<h2>EXAMPLES</h2>
See the Gallery Annotations examples
<a href="../gallery/gall.annot.html"><img src="../gallery/btn/here.gif"></a>
<br><br><br>
<h2>PREREQUISITES</h2>
None.<tt> </tt>
<br><br><br>
<h2>MANDATORY ATTRIBUTES</h2>
The <tt>text</tt> and <tt>location</tt> attributes MUST be specified.<tt> </tt>
If an arrow is desired, the <tt>arrowhead</tt> attribute must be specified.<tt> </tt>
<br><br><br>
<h2>ATTRIBUTES</h2>
<p>
<b>text</b>
<a href="attributetypes.html#text">
multiline text
</a>
<dl>
<dt><dd><p>
The text to be displayed. Terminates with a blank line.<tt> </tt>
Text may also come from a file or command (see below).<tt> </tt>
<br>
Example:
<pre>
text: Value
as of 1/15/99
</pre>
</dl>
<p>
<b>location</b>
<a href="attributetypes.html#xy">
x y
</a>
<dl>
<dt><dd><p>
The text will be placed at this location.<tt> </tt>
By default the text will be centered around X, and
the bottom of the first line will be at Y.<tt> </tt>
Absolute units are assumed;
append <tt>(s)</tt> to one or both values to indicate scaled units.
<br>
Example: <tt>location: 2.2(s) 3.0</tt>
</dl>
<p>
<b>arrowhead</b>
<a href="attributetypes.html#xy">
x y
</a>
<dl>
<dt><dd><p>
If specified, an arrow will be drawn pointing at this location.<tt> </tt>
The tail of the arrow will be placed automatically if <tt>arrowtail</tt>
is not specified.<tt> </tt>
Absolute units are assumed;
append <tt>(s)</tt> to one or both values to indicate scaled units.
<br>
Example: <tt>arrowhead: 2012(s) 85(s)</tt>
</dl>
<p>
<b>arrowhead2</b>
<a href="attributetypes.html#xy">
x y
</a>
<dl>
<dt><dd><p>
Same as <tt>arrowhead</tt> above, for a second arrow.<tt> </tt>
<br><br><br>
</dl>
<h2>DETAIL ATTRIBUTES</h2>
<p>
<b>fromfile</b> <i>filename</i>
<dl>
<dt><dd><p>
If specified, the text will be read from this file.<tt> </tt>
This filename is expanded by a shell.<tt> </tt>
</dl>
<p>
<b>fromcommand</b> <i>shell command</i>
<dl>
<dt><dd><p>
If specified, this shell command will be executed to yield
text on its standard output.<tt> </tt>
</dl>
<p>
<b>textdetails</b>
<a href="attributetypes.html#textdetails">
textdetails
</a>
<dl>
<dt><dd><p>
Allows control of details pertaining to the text, such as alignment, color, size, and font.<tt> </tt>
Example: <tt>textdetails: align=C size=9</tt>
</dl>
<p>
<b>box</b>
<a href="attributetypes.html#linedetails">
linedetails
</a>
<dl>
<dt><dd><p>
If specified, a box will be drawn around the text.<tt> </tt>
May be used with or without <tt>backcolor</tt>.<tt> </tt>
<br>
Example: <tt>box: yes</tt> (do a default box)
<br>
Example: <tt>box: color=yellow width=1.0</tt>
</dl>
<p>
<b>boxmargin</b> <i>n</i>
<dl>
<dt><dd><p>
If specified, increase the size of any backing box by
<i>n</i> absolute units on all four sides.
<br>
Example: boxmargin: 0.15
</dl>
<p>
<b>backcolor</b>
<a href="color.html">
color
</a>
<dl>
<dt><dd><p>
Supply a colored rectangle backing box, to be filled with <i>color</i>.<tt> </tt>
No box outline is drawn, use <tt>box</tt> to get one.<tt> </tt>
May be used with or without <tt>box</tt>.<tt> </tt>
</dl>
<p>
<b>arrowdetails</b>
<a href="linedetails.html">
linedetails
</a>
<dl>
<dt><dd><p>
Allows control of details pertaining to the arrows, such as line thickness and color.<tt> </tt>
</dl>
<p>
<b>arrowheadsize</b> <i>n</i>
<dl>
<dt><dd><p>
Controls the size of the arrowhead.
<i>n</i> is the length of the arrowhead in absolute units (default 0.1 inches).<tt> </tt>
This attribute may be set to 0 to suppress arrowhead and just draw line.<tt> </tt>
</dl>
<p>
<b>arrowtail</b>
<a href="attributetypes.html#xy">
x y
</a>
<dl>
<dt><dd><p>
If specified, tail of 1st arrow will be at this point.
</dl>
<p>
<b>arrowtail2</b>
<a href="attributetypes.html#xy">
x y
</a>
<dl>
<dt><dd><p>
If specified, tail of 2nd arrow will be at this point.
</dl>
<p>
<b>verttext</b> <tt>yes</tt> | <tt>no</tt>
<dl>
<dt><dd><p>
If <tt>yes</tt>, text will be rendered vertically, from low to high.<tt> </tt>
This is a limited implementation;
backing box does not work with vertical text, nor does
automatic arrow tail placement (arrow tail must be specified).<tt> </tt>
</dl>
<p>
<b>clickmapurl</b> <i>url</i>
<dl>
<dt><dd><p>
If generating an
<a href="clickmap.html">
HTML clickmap
</a>
on the attribute box,
this specifies a url.<tt> </tt>
See
<a href="clickmap.html">
HTML clickmap
</a>
for more details and examples.<tt> </tt>
<br>
Example: <tt>clickmapurl: http://abc.com/docs/explanation.html</tt>
<br><br><br>
</dl>
<h2>Pertaining to optional bevel & drop shadow</h2>
<p>
<b>bevelsize</b> <i>n</i>
<dl>
<dt><dd><p>
Width of optional bevel area, in
<a href="attributetypes.html#positionunits">
absolute units.<tt> </tt>
</a>
Default is <tt>0.0</tt> (no bevel).<tt> </tt>
</dl>
<p>
<b>shadowsize</b> <i>n</i>
<dl>
<dt><dd><p>
Width of visible portion of optional drop shadow in absolute units.<tt> </tt>
Default is <tt>0.0</tt> (no drop shadow).<tt> </tt>
</dl>
<p>
<b>hibevelcolor</b>
<a href="color.html">
color
</a>
<dl>
<dt><dd><p>
Color of upper and lefttmost bevels. Default is <tt>gray(0.6)</tt>
</dl>
<p>
<b>lowbevelcolor</b>
<a href="color.html">
color
</a>
<dl>
<dt><dd><p>
Color of lower and rightmost bevels. Default is <tt>gray(0.8)</tt>
</dl>
<p>
<b>shadowcolor</b>
<a href="color.html">
color
</a>
<dl>
<dt><dd><p>
Color of drop shadow. Default is <tt>black</tt>.<tt> </tt>
<br>
<br>
</td></tr>
<td align=right>
<a href="../doc/Welcome.html">
<img src="../doc/ploticus.gif" border=0></a><br><small>data display engine <br>
<a href="../doc/Copyright.html">Copyright Steve Grubb</a>
<br>
<br>
<center>
<img src="../gallery/all.gif">
</center>
</td></tr>
</table>
</dl>
<p><hr>
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