 present within
		 the dataProvider. CategoricalScale, on the other hand, will only
		 convert layout positions to values found within the dataProvider.
		 
		 </p><p><span class="label"> Parameters </span><table cellpadding="0" cellspacing="0" border="0"><tr><td width="20px"></td><td><code><span class="label">layout</span>:*</code> &mdash; layout position to translate into a value.
		 </td></tr><tr><td class="paramSpacer">&nbsp;</td></tr><tr><td width="20px"></td><td><code><span class="label">invert</span>