[</span><span class="n">i</span><span class="p">]</span> <span class="c1"># explicitely equal EEW cone excitations at same luminance values as background</span>

        <span class="k">if</span> <span class="n">direction</span> <span class="o">==</span> <span class="s1">&#39;forward&#39;</span><span class="p">:</span>
            <span class="c1"># get rho, gamma, beta of stimulus:</span>
            <span class="k">if</span> <span class="p">(</span><span class="n">inputtype</span> <span class="o">!=</span