).
Otherwise tells how the filter is blended with background.</p></div></div><div class="field "><a name="filter"></a><h3 class="anchor"><code><a href="#filter"><span class="identifier">filter</span></a>:<a class="type" title="h2d.filter.Filter - The base filter class, you can extend it in order to define your own filters, although ShaderFilter will be the most straightforward way to define simple custom filter." href="../h2d/filter/Filter.html">Filter</a></code></h3><div class="doc"><p>The post process fil