fferently depending on whether <code>T</code> is of floating point or integral type.<ul>
<li>If <code>T</code> is floating point, the method returns <code>maxY - minY</code>.</li>
<li>If <code>T</code> is integral, the method returns <code>maxY - minY + 1</code> (number of vertical points in the closed box). </li>
</ul>
</dd></dl>

</div>
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