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<div><h2 id="a0000000162">1.52.16 colorkey</h2>
<p><a name="a0000001194" id="a0000001194"></a> </p><pre>
set colorkey [ <position> ]
</pre><p>The setting <tt class="tt">colorkey</tt> determines whether color scales are drawn along the edges of plots drawn using the <tt class="tt">colormap</tt><a name="a0000001195" id="a0000001195"></a><a name="a0000001196" id="a0000001196"></a> plot style, indicating the mapping between represented values and colors. Note that such scales are only ever drawn when the <tt class="tt">colormap</tt><a name="a0000001197" id="a0000001197"></a><a name="a0000001198" id="a0000001198"></a> plot style is supplied with only three columns of data, since the color mappings are themselves multi-dimensional when more columns are supplied. Issuing the command </p><pre>
set colorkey
</pre><p>by itself causes such a scale to be drawn on graphs in the default position, usually along the right-hand edge of the graphs. The converse action is achieved by: </p><pre>
set nocolorkey
</pre><p>The command </p><pre>
unset colorkey
</pre><p>causes Pyxplot to revert to its default behaviour, as specified in a configuration file, if present. A position for the key may optionally be specified after the <tt class="tt">set colorkey</tt> command, as in the example: </p><pre>
set colorkey bottom
</pre><p>Recognised positions are <tt class="tt">top</tt>, <tt class="tt">bottom</tt>, <tt class="tt">left</tt> and <tt class="tt">right</tt>. <tt class="tt">above</tt> is an alias for <tt class="tt">top</tt>; <tt class="tt">below</tt> is an alias for <tt class="tt">bottom</tt> and <tt class="tt">outside</tt> is an alias for <tt class="tt">right</tt>. </p></div>
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