 data previously set via the call to <a href="../../../../../com/atakmap/android/maps/graphics/GLMapItem2.html#setOpaque-java.lang.Object-"><code>setOpaque(Object)</code></a>. This method
 should really only be invoked by the object that set the opaque data.
 <P>
 This method serves as a convenience to allow the render to obtain the application specific
 data that has been previously associated with an item.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The previously set data.</dd>
</dl