ineno">  224</span>&#160;        <span class="keywordflow">if</span>( present(beforeline) ) effbeforeline = beforeline</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;        </div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        invresolution = 1</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;        <span class="keywordflow">if</span>( present(resolution) ) invresolution = ceiling( 1.0_8/resoluti