   if isempty(resolution)</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;      resolution = 0;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    end</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    args = {args{:}, [<span class="stringliteral">&#39;-r&#39;</span> int2str(resolution)]};</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  end</div><div class="line"><a