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<TITLE>coyote: CGAXIS</TITLE>
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<H1><a href="index.html">coyote</a>: CGAXIS</H1>
<ul>
<li><a href=Graphics.html>coyote/Graphics</a></li>
<li><a href="/usr/share/gnudatalanguage/coyote/cgaxis.pro">[Source code]</a></li>
</ul>
<dl>
<dt>Description</dt>
<dd><pre>
Provides a device-independent and color-model-independent way to draw an axis into
a graphics window. It is a wrapper to the AXIS command.
The program requires the `Coyote Library <http://www.idlcoyote.com/documents/programs.php>`
to be installed on your machine.
</pre></dd>
</dl>
<dl>
<dt>Categories</dt>
<dd><pre>
Graphics
</pre></dd>
</dl>
<dl>
<dt>Params</dt>
<dd><pre>
xloc: in, optional, type=depends
The X location of the axis.
yloc: in, optional, type=depends
The Y location of the axis.
zloc: in, optional, type=depends
The Z location of the axis.
</pre></dd>
</dl>
<dl>
<dt>Keywords</dt>
<dd><pre>
charsize: in, optional, type=float, default=cgDefCharSize()
The character size for axes annotations. Uses cgDefCharSize to select default
character size, unless !P.Charsize is set, in which case !P.Charsize is always used.
color: in, optional, type=string/integer/long
The color of the text. Color names are those used with cgColor. By default,
"black", unless the upper-right hand pixel in the display is black, then "white".
data: in, optional, type=boolean
Set this keyword to indicate xloc and yloc are in data coordinates. Data coordinates
are the default, unless DEVICE or NORMAL is set.
device: in, optional, type=boolean
Set this keyword to indicate xloc and yloc are in device coordinates.
font: in, optional, type=integer, default=!P.Font
The type of font desired. By default, !P.Font.
normal: in, optional, type=boolean
Set this keyword to indicate xloc and yloc are in normalized coordinates.
save: in, optional, type=boolean
Set this keyword to save the scaling parameters set by the axis for subsequent use.
t3d: in, optional, type=boolean, default=0
Set this keyword to rotate the axis is the 3D data space set up with !P.T.
title: in, optional, type=string, default=""
The title or annotation that appears on the axis.
window: in, optional, type=boolean
Set this keyword to add the command to the in the current cgWindow application.
xaxis: in, optional, type=integer, default=0
If set to 0, the axis is drawn under the plot with the tick marks pointing up; if set
to 1, the axis is drawn on top of the plot with the tick marks pointing down.
xlog: in, optional, type=boolean, default=0
Set this keyword to specify a logarithmic axis type.
xtitle: in, optional, type=string
An alternative way to set the `Title` keyword for X axes. Use `Title` instead.
yaxis: in, optional, type=integer, default=0
If set to 0, the axis is drawn on the left of the plot with the tick marks pointing
to the right. If set to 1, the axis is drawn on the right of the plot with the tick
marks pointing to the left.
ylog: in, optional, type=boolean, default=0
Set this keyword to specify a logarithmic axis type.
ynozero: in, optional, type=boolean, default=0
Set this keyword to prevent the Y axis from starting at 0.
ytitle: in, optional, type=string
An alternative way to set the `Title` keyword for Y axes. Use `Title` instead.
zaxis: in, optional, type=integer, default=0
Set to 0-3 to position the Z axis in various locatons. See the AXIS documentation.
zlog: in, optional, type=boolean, default=0
Set this keyword to specify a logarithmic axis type.
ztitle: in, optional, type=string
An alternative way to set the `Title` keyword for Z axes. Use `Title` instead.
_ref_extra: in, optional
Any keywords appropriate for the AXIS command.
</pre></dd>
</dl>
<dl>
<dt>Examples</dt>
<dd><pre>
Used like the IDL AXIS command::
IDL> cgPlot, cgDemoData(1), YStyle=8, Position=[0.1, 0.1, 0.85, 0.9], /Window
IDL> cgAxis, /YAxis, Color='red', YRange=[-500, 500], /Save, /Window
</pre></dd>
</dl>
<dl>
<dt>Author</dt>
<dd><pre>
FANNING SOFTWARE CONSULTING::
David W. Fanning
1645 Sheely Drive
Fort Collins, CO 80526 USA
Phone: 970-221-0438
E-mail: david@idlcoyote.com
Coyote's Guide to IDL Programming: http://www.idlcoyote.com
</pre></dd>
</dl>
<dl>
<dt>History</dt>
<dd><pre>
Change History::
Written, 25 Janauray 2011. DWF.
Modified error handler to restore the entry decomposition state if there is an error. 17 March 2011. DWF
Modifed the way I am handling brain dead AXIS command. 30 May 2011. DWF.
Modified to use cgDefaultColor for default color selection. 24 Dec 2011. DWF.
Added T3D keyword. 1 March 2012. DWF.
Added the ability to use escape characters in plot titles to specify cgSymbol symbols. 27 July 2012. DWF.
</pre></dd>
</dl>
<dl>
<dt>Copyright</dt>
<dd><pre>
Copyright (c) 2011, Fanning Software Consulting, Inc.
</pre></dd>
</dl>
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