ass="line-block">
<div class="line">As for tpl files, a ppl file may contain hundreds of profiles, in
particular for complex networks. For this reason a filtering method is
quite useful.</div>
<div class="line">The easiest way is to filter on all the profiles using patters, the
command <code class="docutils literal notranslate"><span class="pre">ppl.filter_trends(&quot;PT&quot;)</span></code> filters all the pressure profiless
(or better, all the profiles with “PT” in the description, if you have
define