s="o">=</span> <span class="n">cieobs</span><span class="p">,</span> <span class="n">relative</span> <span class="o">=</span> <span class="kc">False</span><span class="p">)</span> <span class="c1"># get abs. tristimulus values</span>
    <span class="n">datar</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span> <span class="o">=</span> <span class="n">datar</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span><span class="o">/</span><span class="n">xyzr