ectangle to this Tilemap object.</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th style="width:25%;"><code>rect</code></th><td><p>A Rectangle represented a part of the referenced BitmapData object</p></td></tr></table><p class="javadoc">Returns:</p><div class="indent inline-content"><p>The assigned ID value for this new rectangle</p></div></div></div><div class="field "><a name="clone"></a><h3 class="anchor"><code><a href="#clone"><span class="identifier">clone</span><