of background(s) calculated using the CIE 2006 10° CMFs </span>
<span class="sd">            | (only used in case datab == None and the background is assumed to be an Equal-Energy-White)</span>
<span class="sd">        :fov: </span>
<span class="sd">            | 10.0, optional</span>
<span class="sd">            | Field-of-view of stimulus (for size effect on brightness)</span>
<span class="sd">        :inputtpe:</span>
<span class="sd">            | &#39;xyz&#39; or &#39;spd&#39;, optional</span>
<span c