r root layer in global canvas coordinates. The
 origin of the base layer is always (0,0). The area available for drawing may be
 smaller (due to clipping or saveLayer).</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="Canvas.html#getBaseLayerHeight()">getBaseLayerHeight</a></code>&nbsp;in class&nbsp;<code><a href="Canvas.html" title="class in icyllis.arc3d.sketch">Canvas</a></code></dd>
<dt>Returns:</dt>
<dd>integral height of base layer</dd>
</dl>
</section>
</li>
<li>
<section class="detail